CN1045294C - 吲哚衍生物的制备方法 - Google Patents

吲哚衍生物的制备方法 Download PDF

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CN1045294C
CN1045294C CN92113491A CN92113491A CN1045294C CN 1045294 C CN1045294 C CN 1045294C CN 92113491 A CN92113491 A CN 92113491A CN 92113491 A CN92113491 A CN 92113491A CN 1045294 C CN1045294 C CN 1045294C
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J·E·梅卡
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Abstract

式Ⅰ所代表的化合物及其药学上可以接受的盐。这些化合物是有用的精神治疗剂和强力的5-羟色胺(5-HT1)激动剂,可用于治疗抑郁症、焦虑症,厌食症,肥胖症,药物滥用症,偏头神经疼,周期性偏头疼,疼痛,慢性阵发性偏头疼以及因血管机能紊乱引起的头疼,和由于5-羟色胺神经传导不全导致的其它机能紊乱。这些化合物也可用作中枢神经***作用的抗高血压药和血管舒张药。

Description

吲哚衍生物的制备方法
本发明涉及吲哚衍生物及其制备方法和中间体,以及含有它们的药物组合物和其医学上的应用。本发明的活性化合物可用于治疗周期性偏头疼和其它疾病。
美国专利4,839,377号和4,855,314号以及欧洲专利申请公布号313397提到5-取代的3-氨烷基吲哚。这类化合物据说可用于治疗周期性偏头疼。
英国专利申请公开号4,252,803号提到3-氨烷基-1H-吲哚-5-硫代酰胺和羰酰胺。这些化合物据说可用于治疗高血压,雷诺氏病和周期性偏头疼。
欧洲专利申请公布号303506提到3-多氢吡啶-5-取代-1H-吲哚。这类化合物据说具有5TH1-受体激动剂和血管收缩剂活性,可用于治疗周期性偏头疼。
欧洲专利申请公布号354777提到N-哌啶基:吲哚基:乙基-链烷烃磺酰氨衍生物。这类化合物据说具有5-羟色胺受体激动剂和血管收缩剂活性,可用于治疗头疼。
本发明涉及下式化合物
Figure C9211349100141
其中Z为
Figure C9211349100142
R1等于
Figure C9211349100143
X为O,NH或S;A,B,D,E和F各分别为C,N,O或S;R2,R3,R4,R5和R6各分别为氢,C1-6烷基,芳基,C1-3烷芳基,卤素(如:氟,氯,溴或碘),氰基,硝基,-NR7R8,-(CH2)mOR9,-SR9,-SO2R9,-SO2NR7R8,-NR7SO2R8,-NR7CO2R9,-NR7COR9,-CONR7R8,或-CO2R9;R2和R3,R3和R4,R4和R5或R5和R6中之一组可共同形成一个5至7元环基烷,6元的芳环,含有1个杂原子(N,O或S)的5-7元的杂烷环,或含有1或2个杂原子(N,O或S)的5-6元的芳族杂环;R7和R8各分别为氢,C1-5烷基,-(CH2)9R10,C1-3烷芳基、芳基、或R7和R8可共同形成一个4-6元的环:R9为氢、C1-6烷基,C1-3烷芳基,芳基,或-(CH2)wR11;R10和R11各分别为-OH,-OR12,-CONHR12或氰基;R12为氢,C1-6烷基,芳基或C1-6烷芳基;R13为氢,-OR14或-NHCOR14;R14为C1-6烷基或C1-3烷芳基; n为0,1或2;m为1,2或3;q为2,3或4;w为2,3或4;上述的芳基和烷芳基中的芳基部分单独为苯基或取代苯基,其中所说的取代苯基可以是被1-3个C1-4烷基,卤素,羟基,氰基,羰酰氨基,硝基和C1-4烷氧基取代;虚线代表一个任意的双键,本发明还涉及上述化合物在药学上可采用的盐类。这些化合物可用于治疗周期性偏头疼以及下面要讨论的其它病症。
本发明的化合物包括式1的所有旋光异构体(如:R和S对映体)及其外消旋的和非对映的混合物。当R1
Figure C9211349100151
以星号处为手性碳原子的R非对映体更相宜。当R13为-OR14或-NHCOR14时,优选绝对构型为(2R,4R)的顺式差向异构体。
除非另有指定,这里提到的烷基和其它基团(如烷氧基)中的烷基部分可以是直链的或支链的,也可以是环状的(如环丙基,环丁基,环戊基或环己基)或是直链的或支链的和含有环状部分。
本发明中的优选化合物是式1所代表的化合物,其中R1
Figure C9211349100162
其中R7和R8,和R13如上所示Z为
Figure C9211349100163
Figure C9211349100164
其中A,D,E,R2,R3,R4和R5如上所述X等于NH.
本发明中前面所做的描述包括下列各式所表示的化合物
Figure C9211349100171
Figure C9211349100172
下列化合物尤应优选:
3-(2-二甲氨乙基)-5-(3,5-二硝基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲氨乙基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲氨乙基)-5-(3-三氟甲基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(硝基吡啶-2-基氨基)-1H-吲哚;
(R,S)-3-(N-甲基吡咯烷-3-基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
5-(苯并噁唑-2-基氨基)-3-(2-二甲氨乙基)-1H-吲哚;
(R)-3-(N-环丙基甲基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙炔基)吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙烯基)吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-丙基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-丁基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-乙基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-戊基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-(2-甲氧乙基)吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
5-(4-苄基-1,3-噻嗪-2-基氨基)-3-(2-二甲基氨乙基)-1H-吲哚;
(R)-5-(3-苄基硫代-1,2,4-噻二嗪-5-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(嘧啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-甲基磺酰吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(2-硝基苯氨基)-1H-吲哚;
(R)-5-(6-甲氧基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(4-甲基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(3-硝基-5-苯基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-氰基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(6-异丙氧基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(4-氰基-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(4-三氟甲基-2-硝基苯氨基)-1H-吲哚;
(R)-5-(5,6-二氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
5-(4-氰基-2-硝基苯氨基)-3-[(2R,4R)-N-甲基-4-甲氧吡咯烷-2-基甲基]-1H-吲哚;
(R)-5-(5-氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-(2-氰乙基)吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;和
(R)-3-(N-(2-氰甲基)吡啶烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚。
下列为本发明的另外一些特定的化合物:
6-(3-(2-二甲基氨乙基)吲哚-5-基氨基)嘌呤;
3-(2-二甲基氨乙基)-5-(2-硝基苯氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-氨基碳酰吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(2,6-二硝基苯氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(2-氰基苯氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(2,4-二硝基苯氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(6-乙氧基碳酰-3-甲基硫代-1,2,4-三嗪-5-基氨基)-1H-吲哚;
5-(1-苄四嗪-5-基氨基)-(2-二甲基氨乙基)-1H-吲哚;
5-(3-硝基吡啶-2-基氨基)-3-(哌啶-4-基)-1H-吲哚;
5-(3-硝基吡啶-2-基氨基)-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚;
5-(5-硝基吡啶-2-基氨基)-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚;
5-(3-硝基吡啶-2-基氧基)-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚;
5-(5-硝基吡啶-2-基氧基)-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-氨基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-苯碳酰氨基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲基乙基)-5-(6-苄氨基碳酰-3-甲基硫代-1,2,4-三嗪-5-基氨基)-1H-吲哚;
5-氨基-3-(N-甲基吡咯烷-3-基)-1H-吲哚;
(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-氨基-3-(吡咯烷-2-基甲基)-1H-吲哚。
本发明也涉及一类药物组合物,该组合物用于治疗高血压,抑郁症,焦虑症,厌食症,肥胖症,滥用药物,偏头神经疼,周期性偏头疼,疼痛,以及慢性阵发性偏头疼和血管机能紊乱性头疼,该组合物含有一定量的式1所表示的化合物或其药学上可采用的、在治疗这种症状上有效的盐类以及药学上可采用的载体。
本发明也涉及治疗下述疾病的方法,所述疾病包括:高血压,抑郁症,焦虑症,厌食,肥胖症,滥用药物,偏头神经疼,周期性偏头疼,疼痛以及慢性阵发性偏头疼和血管机能紊乱性头疼,该方法包括给需要这种治疗的哺乳动物(例如:人)服用治疗这些疾病有效量的式I化合物或其药物上可以接受的盐。
本发明也涉及治疗因缺乏5-羟色胺能神经传导而引发的机能障碍(如:抑郁症,焦虑症,厌食,肥胖症,滥用药物,偏头神经疼,周期性偏头疼,疼痛以及慢性阵发性偏头疼和血管机能紊乱性头疼)的治疗方法,该方法包括给需要这种治疗的哺乳动物(例如:人)服用治疗这些疾病有效量的式I化合物或其药物上可以接受的盐。
本发明也涉及式II所表示的化合物
Figure C9211349100221
其中X和R1与式1中的限定相同。式II的化合物可用作,例如,制备式1化合物的中间体。
式1的化合物按下述反应式制备用式II的化合物(其中R1与式1中的限定相同)与式IIIA或IIIB化合物反应,其中X,A,B,D,E,F,R2,R3,R4,R5和R6与上述式1中的限定相同,LG为一离去基团,如:氯,溴,碘,SCH3,SO2CH3,SPh或SO2Ph(Ph代表苯基)。这个反应通常在升温下,在酸性、碱性或中性条件下完成。适用的碱包括碳酸氢钠,三烷基胺,氢化钠和碳酸钠,优选三乙胺。适用的酸包括无机酸(如盐酸和氢溴酸)和有机酸(如乙酸),优选乙酸。适用的溶剂包括甲醇,乙醇,二噁烷,四氢呋喃,乙腈,和N,N-二甲基甲酰胺,优选用乙醇作溶剂。反应通常可在约50℃到约154℃的温度下进行,优选的温度为约70℃到约80℃。
式II的化合物可按下面略述的方法制备
式II的化合物(其中R16为一被保护的杂原子基团,如-N(R18)2,-NHR18,-OR18,-SR18,2,5-二甲基-1-H-吡咯或-NO2,R13为氢,苯甲酰基或苄基)是在一种惰性溶剂中在有碱存在的情况下由式VII的化合物(其中R15为-SH,-NH2,-OH)与苄基卤或苯甲酰卤(最好为苄基溴或苯甲酰氯)或乙酰丙酮进行反应制备的。式VII的化合物或有市售,或采用本领域普通技术人员都知道的方法制取。适用的碱包括碳酸氢钠,碳酸钠,氢化钠和三烷基胺。三乙胺是优选的碱。适用的溶剂包括二甲基甲酰胺,醚类(包括四氢呋喃),以及C1-3醇。四氢呋喃是优选的溶剂。反应通常可在约25℃到约100℃的温度下进行,适宜的温度为约25℃。
式V的化合物可通过式VI的化合物(其中R16与上述式IV中所限定的相同)在酸性、碱性或中性条件下与合适的亲电子试剂反应制备。合适的亲电子试剂包括N-被保护的脯氨酸酰氯,N-被保护的-4-哌啶酮,草酰氯和马来酰亚胺。在用草酰氯时,生成的吲哚-3-乙酮酰氯进一步与仲胺NHR5R6(其中R5和R6与式1中所示的相同)反应。适用的酸包括无机酸,乙酸和甲酸。适用的碱包括格利雅试剂(包括乙基溴化镁),伯胺、仲胺或叔胺,金属钠或金属钾,或氢化钠。适用的溶剂包括醚(包括四氢呋喃和***),苯,甲苯,乙酸,甲酸,或C1-4醇。反应通常可在约0℃到约150℃的温度下进行,优选的温度范围为约0℃到约120℃。在亲电子试剂为N-被保护的脯氨酸酰氯时,优选的溶剂是苯,反应最好在碱性条件下(乙基溴化镁为优选的碱)进行,优选的反应温度为0℃。如果亲电子试剂为N-被保护的-4-哌啶酮,优选的溶剂是甲醇,反应最好在碱性条件下(甲醇钠为优选的碱)进行,优选的反应温度为约65℃。如果亲电子试剂为草酰氯,优选的溶剂是醚,反应最好在碱性条件下(HNR5R6是较好的碱)进行,较好的反应温度为0℃。如果亲电子试剂为马来酰亚胺,优选的溶剂是乙酸,反应最好在酸性条件下(乙酸为优选的酸)进行,较好的反应温度为约101℃。
式IV的化合物是由式V的化合物在一种惰性溶剂中通过氢化物还原制备的,其中,R17
Figure C9211349100261
Figure C9211349100262
R5和R6与前面式1所限定的相同,R16与前面式IV所限定的相同,R19为叔丁基或苄基。适用的还原剂包括氢化铝锂,氢硼化锂和乙硼烷,优选氢化铝锂。适用的惰性溶剂包括四氢呋喃,二噁烷和其它醚类,优选四氢呋喃。反应通常在约25℃到约100℃的温度下进行,优选的温度为约65℃。
式II的化合物可用一个过渡的金属元素催化剂和氢源或半盐酸羟胺使式IV化合物经杂原子去保护而制得。适用的溶剂包括C1-4醇,乙酸乙酯,丙酮和二甲基甲酰胺,乙醇为优选的溶剂。适用的过渡金属元素催化剂包括碳浸钯,碳浸氢氧化钯的氧化铂,碳浸氢氧化钯为优选的催化剂。适用的氢源包括氢气,甲酸铵和甲酸,以氢气较好,通常可用1-3个大气压,以3个大气压为好。反应通常在约25℃到约100℃的温度下进行,以约40℃为好。
式VII的化合物有市售。
式II的化合物也可用本领域普通技术人员所共知的方法制备(见Shaw,E.and Woolley,D.W.,J.Am.Chem.Soc.,1877(1953)或实施例9,12,14,16,17,21或25所记述的那些方法)。式III的化合物或有市售,或可通过本领域普通技术人员所共知的方法制备。
式1的化合物也可在一种惰性溶剂中用一种烷基化剂和一种碱使下面的化合物烷基化来制备
Figure C9211349100271
其中Z,X和n与前文所限定相同。适用的烷基化剂包括烷基卤(氯化物,溴化物或碘化物),对甲苯磺酸烷基酯,甲磺酸烷基酯,三氟甲磺酸烷基酯,α,β-不饱和酮,α,β-不饱和酯,α,β-不饱和酰胺以及α,β-不饱和腈(视所希望得到的R7基而定)。以用烷基卤(碘化物)为好。适用的溶剂包括二氯甲烷,氯仿,四氯化碳,乙腈,四氢呋喃,***,二噁烷,N,N-二甲基甲酰胺,乙醇,丙醇,甲醇,优选乙腈。反应一般在0℃~150℃的温度下进行,以25℃~65℃为优选反应温度。
除非另外指出,上述各反应的压力要求并不严格。一般说来这些反应可在约1-3个大气压下进行,优选在环境压力(约1个大气压)下进行。
式1的化合物从性质上讲为碱性化合物,可与各种无机酸和有机酸形成各种各样的盐。虽然这些盐必须是可以给动物服用的,药学上可以接受的,但在实际中常把从反应混合物中最初分离出来的式1那种化合物作为药学上不可接受的盐,然后用一种碱性试剂处理将其简单地转换为游离的碱式化合物,再把这种游离碱转换为药学上可以接受的酸加盐。本发明中的这种碱式化合物的酸加盐很容易制备,即在水溶液或适宜的有机溶剂如甲醇或乙醇中用基本上等当量的、选定的无机或有机酸处理这种碱式化合物即可。将溶剂仔细地蒸发掉,即得到所需的固体盐。
用于制备本发明中碱式化合物的药学上可以接受的酸加盐的酸,是那些能生成无毒的酸加盐(即含有药理学上可接受的阴离子的盐)的酸,如盐酸盐,氢溴酸盐,氢碘酸盐,硝酸盐,硫酸盐或硫酸氢盐,磷酸盐或酸式磷酸盐,乙酸盐,乳酸盐,柠檬酸盐或酸式柠檬酸盐,酒石酸盐或酒石酸氢盐,琥珀酸盐,马来酸盐,富马酸盐,葡糖酸盐,糖二酸盐,苯甲酸盐,甲磺酸盐和1,1′-亚甲基-双-(2-羟基-3-萘甲酸盐)。
式1的化合物从性质上讲也是酸性的,例如,其中的Z就含有一个羧化物,它们能与各种药理学上可接受的阴离子成碱式盐。这类盐的例子包括碱金属或碱土金属盐,特别是钠盐和钾盐,这些盐都是用常规方法制备的。在制备本发明中那些药学上可接受的碱式盐时用作试剂的化学碱是可与这里所记述的、式1所表示的酸性化合物生成无毒的碱式盐的那些物质。这些无毒的碱式盐包括那些由药理学上的阴离子如钠、钾、钙、镁所生成的盐。这类盐很容易制备,即将相应的酸性化合物用含有所要求的、药理学上可以接受的阴离子的水溶液处理,然后通过减压蒸发使反应液干燥即可。也可将这些酸性化合物的低级烷醇溶液与所要求的碱金属的醇盐混合,然后再用和前述相同的方法将所得溶液蒸干来制备。不管哪种方法,最好都用化学计算量的试剂以确保反应完全,得到最大收量的最终产物。
式1的化合物及其药学上可以接受的盐(以下简称本发明的活性化合物)可用作精神治疗剂,是有效的5-羟色胺(5-HT1)激动剂,可用于治疗抑郁症,焦虑症,厌食症,肥胖症,滥用药物,偏头神经疼,周期性偏头疼,由血管机能紊乱引发的慢性阵发性偏头疼和头疼,疼痛以及由5-羟色胺能性传导不足引起的其它疾病。这些化合物也可用作主要的抗高血压药和血管舒张药。经测试,本发明的活性化合物的作用酷似sumatriptan,可引起狗的离体隐静脉管收缩(P.P.A.Humphrey et al.,Br.J.Pharmacol.,94,1128(1988)),被评价为抗偏头疼药物。这种作用可被甲硫噻庚嗪(一种已知的5-羟色胺拮抗剂)所阻断。已知sumatriptan可用于治疗周期性偏头疼,并能使***的颈动脉管的阻力有选择性地增加。这一点被认为是其药理作用的基础(W.Fenwick et al.,Br.J.Pharmacol.,96,83(1989))。
本发明的组合物可按常规方法用一个或若干个药学上可接受的载体配制。因此本发明的活性化合物可配制成口服,***,鼻内,肠胃外(如静注,肌注,皮下注射)或直肠给药的剂型,或配制成适于吸入法或吹入法给药的剂型。
为口服给药,该药物组合物可通过常规方法用药学上可接受的赋型剂制成片剂或胶囊。所说赋型剂,例如:粘合剂(如预明胶化玉米淀粉,聚乙烯吡咯烷酮或羟丙基甲基纤维素);填充剂(如乳糖,做晶纤维素或磷酸钙);润滑剂(如硬脂酸镁,滑石或硅石);崩解剂(如马铃薯淀粉或淀粉羟基乙酸钠);或湿润剂(如十二烷基硫酸钠)。片剂表面可以众所周知的方法裹上糖衣。用于口服的液体制剂可采用溶液,糖浆或混悬液,或也可制成干粉,供服用前用水或其它合适的赋型剂配制。这些液体制剂可通过常规方法用药学上可接受的添加剂如混悬剂(如山梨醇糖浆,甲基纤维素或氢化食用脂);乳化剂(如卵磷脂或***胶);非水赋型剂(如杏仁油,油酯或乙醇)以及防腐剂(如对-羟基苯甲酸甲酯或丙酯,或山梨酸)配制。
为以***剂型给药,该组合物可以是按常规方法配制的片剂或锭剂。
本发明的活性化合物可配制成供肠胃外注射给药的剂型,其中包括采用常规的导管***法或灌注法给药。注射用制剂可加入防腐剂装成单位剂量型,如安瓿;或装入多剂量容器。该组合物可用油性或水性赋型剂配制成悬剂,溶液或乳剂,可含有配制用的悬浮剂,稳定剂和/或分散剂。或者可将该活性成分制成粉剂,使用前用合适的赋型剂如灭菌的无热原的水重新配制。
本发明的活性化合物也可制成经直肠给药的剂型,如栓剂或保留灌肠剂(如含有常规的栓剂基质如可可脂或其它的甘油脂)。
作为鼻内用药或吸入用药,本发明的活性化合物很方便地以溶液或悬浮剂的形式施用。可装在一个泵压式喷雾容器内,由患者自己将其挤出或泵出;或者装入压力容器或喷雾器内,加上合适的喷射剂如二氯二氟甲烷,三氯氟甲烷,二氯四氟乙烷,二氧化碳或其它适宜的气体,将药物喷成气溶胶吸用。就加压气溶胶而言,可由一能计量释放的阀来决定给药剂量单位。这种加压的容器或喷雾器内可盛装该活性化合物的溶液或混悬液。用于吸入或吹入给药的胶囊和药筒(例如,用明胶制作)中可盛装含有本发明的化合物与适宜粉基(如乳糖或淀粉)的混合粉。
用本发明的活性化合物治疗上述病症(如周期性偏头疼),对一般成年人做口服、肠胃外和含服给药的建议剂量为每次剂量为活性成分0.1-200mg,每日1-4次。
以气溶胶剂型给药治疗上述病症(如周期性偏头疼),对一般成年人宜设计成每次剂量或掀压一次所产生的气溶胶中含20-1000μg本发明的化合物。全天的给药量宜为100μg-10mg。每天可分数次(如2,3,4或8次)给药,每次给药1,2,或3个上述剂量。
下列非限定性实施例说明本发明化合物的制备。熔点未经校正。NMR数据以百万分数(δ)表示,并参照样品溶剂的氘锁峰信号。在室温下用钠-D线(589nm)测定旋光率。除非另有说明,所有质谱都是在电子碰撞(El,70eV)条件下进行的。
使用了市售的试剂而未做进一步纯化。用32-63μm硅胶的柱色谱做色谱分析,在氮压条件下进行(快速色层分析)。室温为20-25℃。
                    实施例1
通过5-氨基吲哚衍生物与卤代芳烃的缩合合成5-芳氨基-1H-吲哚的一般方法
将含有5-氨基吲哚(2.00mmol)、卤代芳烃(3.00mmol,1.5当量)和碱(3.00mmol,如果需要的话)在10ml相宜的无水溶剂中的溶液在氮气下回流加热1-18小时(视作用物而定),或在室温下搅拌1小时(视作用物而定)。反应物冷却后直接用硅胶(约50g)柱层析,以二氯甲烷∶甲醇∶氢氧化铵(9∶1∶0.1)洗脱,获得5-芳氨基-1H-吲哚衍生物。某些情况下需将色谱分离所得到的固体重结晶以获取标题化合物的分析纯产物。
按这种方法制备了下列化合物:
A.3-(2-二甲基氨乙基)-5-(3-硝基吡啶-2-基氨基)-
1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚[Shaw,E.andWoolley,D.W.,J.Am.Chem.Soc.,1877(1953)]和2-氯-3-硝基吡啶。用三乙胺作碱,对-二噁烷作溶剂,将反应物回流加热(101℃)3小时。色谱分离得到标题化合物(67%)为深红色泡沫体:熔点:59.0-61.0℃:
1H NMR(CDCl3)δ8.66(br s,1H),8.51(dd, J=8.3 and 1.8Hz,
1H),8.41(dd, J=4.4 and 1.8Hz,1H),7.76(br s,1H),7.30-7.24(m,2H),6.97(d, J=2.1
Hz,1H),6.73(dd, J=8.3 and 4.4Hz,1H),2.97-2.91(m,2H),2.70-2.63(m,2H),2.36
(s,6H);13C NMR(CDCl3)δ155.7,151.5,135.5,134.5,129.4,128.2,127.9,122.8,
119.3,114.4;114.3,113.0,111.5,60.3,45.4,23.7.分析计算 for C17H19N5O2·1/3H2O:
C,61.62;H,5.98;N,21.13.实测值:C,61.58;H,5.65;N,20.80.
B.3-(2-二甲基氨乙基)-5-(2-硝基苯氨基)-1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氟硝基苯,用吡啶作碱,溴苯为溶剂,将反应物回流加热(156℃)11小时,色谱分离得到标题化合物(82%)为深红色的固体:熔点116.0-117.0℃;
13C NMR(CD3OD)δ146.7,136.7,
133.2,131.0,129.5,127.2,124.7,121.3,117.3,117.2,117.0,114.1,113.4,61.4.45.4,
24.2;HRMS计算C18H20N4O2 324.1588,实测值324.1564.分析计算
C18H20N4O2·1/3 H2O:C,65.44;H,631;N,16.96.实测值65.44;H,5.92;N,16.69.
C.3-(2-二甲基氨乙基)-5-(3,5-二硝基吡啶-2-基氨
基)-1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氯-3,5-二硝基吡啶。以三乙胺为碱,四氢呋喃作溶剂,将反应物在室温下搅拌1小时。直接过滤反应混合物得到一种红色固体,将其在乙醇中重结晶得到标题化合物(7%)为红色固体:熔点,194.0-195.0℃;13C NMR(DMSO-d6)δ152.2,150.7,134.7,134.1,131.2,128.2,127.1,126.7,123.9,119.1,114.8,112.7,111.4,59.7,44.9,22.8;HRMS计算C17H16N6O4 370.1391,实测值370.1358.分析计算for C17H18N6O4·1/2 H2O:C,53.82;H,5.04;N,22.15.实测值C,53.55;H,4.56;N,21.98.
D.3-(2-二甲基氨乙基)-5-(3-氨基碳酰吡啶-2-基氨基)
-1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氯烟酰胺。用吡啶作碱,溴苯为溶剂,将反应物回流加热(156℃)18小时。色谱分离后将生成的固体重结晶(甲醇/水),得到的标题化合物(36%)为黄色固体:熔点,127.0-129.0℃;13C NMR(CD3OD)δ173.0,157.9,152.2,139.0,135.4,132.4,129.0,123.9,119.1,113.7,113.2,113.0,112.5,111.3,61.4,45.4,24.3;HRMS
计算C18H21N5O 323.1748,实测值323.1726.分析计算C18H21N8O·H2O:C,63.33;H,6.79;N,20.51.实测值C,63.19;H,6.50;N,20.30.
F.3-(2-二甲基氨乙基)-5-(2,6-二硝苄氨基)-1H-吲
使用5-氨基-3-(2-二甲基氮乙基)吲哚和1-氯-2,6-二硝基苯。以三乙胺为碱,四氢呋喃为溶剂,将反应物在室温下搅拌1小时。色谱分离得到标题化合物(57%)为深红色固体:熔点,187.0-188.0℃;13C NMR(DMSO-d6)δ139.9,135.2,134.0,132.0,131.8,127.2,123.8,117.0,115.4,112.9,112.0,109.3,59.9,45.1,23.0;HRMS计算:C18H19N5O 369.1439,实测值369.1428.分析计算C18H19N5O:C,58.53;H,5.18;N,18.96.实测值:C,58.45;H,4.96;N,18.63.
F.3-(2-二甲基氨乙基)-5-(2-氰苯氨基)-1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氟苄腈。以吡啶为碱,2-氟苄腈为溶剂,将反应物回流搅拌8小时。色谱分离得到标题化合物(2%)为透明的淡褐色的油:1H NMR(CD3OD)δ7.43(dd, J=7.7 and 1.5Hz,1H),7.38(d,J=1.9Hz,1H),7.34(d, J=8.6Hz,1H),7.30-7.23(m,1H),7.07(s,1H),6.97(dd, J=8.6and 1.9Hz,1H),6.85(d, J=8.5Hz,1H),6.73-6.67(m,1H),4.91(s,2H),2.92-2.86(m,2H),2.65-2.59(m,2H),2.30(s,6H);HRMS计算C19H20N4 304.1690,实测值304.1682.
G.3-(2-二甲基氨乙基)-5-(3-三氟甲基吡啶-2-基氨基)
-1H-吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氯-3-三氟甲基吡啶,用吡啶作碱,N,N-二甲基甲酰胺为溶剂,将反应物回流加热(153℃)18小时。色谱分离得到标题化合物(10%)为透明的淡褐色油:13C NMR(CD3OD)δ155.4,152.3,136.9,136.1,131.7,129.0,124.0,120.9,115.7,113.9,113.5,112.5,110.5,61.4,45.4,24.3;LRMS(m/z,相对强度)348(100,M+),303(16),290(28),268(11) 250(20);HRMS计算C18H19F3N4 348.1564,实测值348.1532.
H.3-(2-二甲基氨乙基)-5-(2,4-二硝基苯氨基)-1H-
吲哚
使用5-氨基-3-(2-二甲基氨乙基)吲哚和1-氯-2,4-二硝基苯。碱为三乙胺,溶剂是四氢呋喃,将反应物在室温下搅拌2小时。色谱分离得到标题化合物(73%)为深红色固体:熔点。177.0-179.0℃:13C NMR(DMSO-d6)δ148.2,135.6,135.2,130.1,129.6,128.2,127.9,124.3,123.5,119.6,116.9.116.3,113.3,112.5,60.0,45.2,23.0;FAB HRMS 计算 C18H19N5O4*[H+] 370.1517,实测值370.1492.
I.(R)-5-(3-硝基吡啶-2-基氨基)-3-(吡咯烷-2-基
甲基)-1H-吲哚
用(R)-5-氨基-3-(吡咯烷-2-基甲基)吲哚和2-氯-3-硝基吡啶,乙酸钠作碱,乙酸为溶剂,将反应物回流加热(116℃)2小时。柱色层分离得到标题化合物(23%)为深红色泡沫体:1H NMR(CDCl3)δ10.05(br s,1H),9.23(br s,1H),8.49(dd, J=1.8 and 8.3Hz,1H),8.39(1.8 and 4.5Hz,1H),7.70(d, J=1.7Hz,1H),7.33-7.22(m,2H),6.98(s,1H),6.73(dd, J=4.5 and 8.3Hz,1H),3.46-3.34(m,1H),3.10-2.97(m,1H),2.97-2.78(m,3H),1.99-1.64(m,3H),1.56-1.42(m,1H):13C NMR(CDCl3)δ155.7,151.5,135.5,134.5,129.2,128.1,127.8,123.8,119.4,114.3,113.0,111.6,59.5,45.7,31.3,30.6,24.7;FAB LRMS(m/z.相对强度)338(6,[MH+]),309(12),155(49),135(38),119(100).分析计算C18H19N5O2·0.67C2H4O2[乙酸]:C,61.53;H,5.79;N,18.56.实测值:C,61.57;H,5.74;N,18.82.
J.(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(8-硝基吡啶
-2-基氯基)-1H-吲哚
用(R)-3-(N-甲基吡咯烷-2-基甲基)吲哚和2-氯-3-硝基吡啶,碱为三乙胺,乙腈作溶剂,将反应物回流加热3.5小时。色层分离得到标题化合物(81%)为深红色泡沫体:1H NMR(CDCl3)δ10.11(br s,1H),8.52(dd,J=1.8和8.4Hz,1H),8.43(1.8和4.5Hz,1H),8.33(br s,1H),7.77(d, J=1.7Hz,1H),7.35(d, J=8.7Hz,1H),7.26(dd, J=2.0和8.6Hz,1H),7.03(d, J=2.1Hz,1H),6.74(dd, J=4.44和8.4Hz,1H),3.21-3.12(m,2H),2.68-2.58(m,1H),2.54-2.46(m,1H),2.47(s,3H),2.28-2.18(m,1H),1.89-1.73(m,2H),1.73-1.54(m,2H);13C NMR(CDCl3)δ155.7,151.5,135.5,134.3,129.5,128.2,128.1,123.1,119.4,114.3,113.0,111.4,66.7,57.5,40.8,31.5,29.9,21.9,分析计算C19H21N5O2·1/3H2O:C,63.85;H,6.11;N,19.59.实测值:C,83.86;H,5.86;N,19.31.
K.6-(3-(2-二甲基氨乙基)吲哚-5-基氨基)嘌呤
用5-氨基-3-(2-二甲基氨乙基)吲哚和6-氯嘌呤,不用碱,以乙酸为溶剂,将反应物回流加热(116℃)15小时。色层分离得到标题化合物(66%)为白色泡沫体:熔点,175℃分解;13C NMR(CD3OD)δ153.7,153.4,141.5,136.0,131.5,128.3,125.6,119.2,113.3,113.0,109.9,59.1,43.6,21.9.分析计算C17H18N7·HCl·2H2O:C,51.84;H,6.14;N,24.89,实测值:C,52.14;H,6.22;N,25.03.
L.(R,S)-3-(N-甲基吡咯烷-3-基)-5-(3-硝基吡啶-
2-基氨基)-1H-吲哚
用(R,S)-3-(N-甲基吡咯烷-3-基)吲哚和2-氯-3-硝基吡啶,乙酸钠作碱,乙酸为溶剂。将反应物回流加絷热4小时。色层分离得到标题化合物(44%)为深红色泡沬体:熔点,55.0-57.0℃。13C NMR(CDCl3)δ155.7,151.5,135.5,135.0,129.0,128.1,127.1,121.7,119.3,119.2,114.7,113.0,111.6,62.8,56.2,42.4,35.1,32.1;FAB LRMS(m/z,相对强度)306(MH+,100),155(38).分析计算C16H16N5O2·1/2 C4H4O2[乙酸乙酯]:C,62.98;H,6.08;N,18.36.实测值C,62.71;H,5.80;N,18.51.
M.3-(2-二甲基氨乙基)-5-(6-乙酯基-3-甲硫基-1,2,
4-三嗪-5-基氨基)-1H-吲哚
用5-氨基-3-(2-二甲基氨乙基)吲哚和6-乙酯基-5-氯-3-甲硫基-1,2,4-三嗪[Pesson,M.et al.,Eur.J.Med.Chem.,269(1972)],碱为三乙胺,四氢呋喃为溶剂,将反应物在室温下搅拌1小时。色层分离得到标题化合物(53%)为桔红色固体:熔点,197.0-199.0℃;13C NMR(DMSO-d6)δ173.2,165.5,150.5,133.9,132.5,127.7,127.1,123.9,116.8,113.0,112.2,111.5,62.0,60.0,45.2,23.1,14.0,13.2;LRMS(m/z,相对强度)400(M+,11),386(5),195(11),163(13),58(100).分析计算C19H24N6O2S·0.3H2O:C,56.22;H,6.11;N,20.70.实测值:C,56.50;H,5.89;N,20.33.
N.5-(苯并噁唑-2-基氨基)-3-(2-二甲基氨乙基)-1H-
吲哚
用5-氨基-3-(2-二甲基氨乙基)吲哚和2-氯苯并噁唑,不用碱,以乙酸作溶剂,将反应物搅拌回流加热(116℃)2小时。色层分离得到标题化合物(24%)为淡黄色的泡沫:13C NMR(CDCl3)δ160.5,148.1,142.7,133.8,130.0,127.8,124.0,123.1,121.0,116.4,116.4,113.6,111.8,110.6,108.9,60.1,45.3,23.4;LRMS(m/z,相对强度)320(M+,33),262(15),101(12),86(33),58(100).分析计算C19H20N4O·1/4 H2O:C,70.23;H,6.36;N,17.24.实测值:C,70.53;H,6.46;N,17.06.
0.5-(1-苯基四嗪-5-基氨基)-(2-二甲基氨乙基)-1H-
吲哚
用5-氨基-3-(2-二甲基氨乙基)吲哚和5-氯-1-苯基-1H-四唑。以碳酸钠作碱,无水乙醇为溶剂,将反应物回流加热(78℃)48小时。色层分离后将色层分离残余物用氯仿研磨,得到标题化合物(7%)为白色固体:熔点,187.0-188.0℃;1H NMR(CD3OD)δ7.73(d,J=1.9,1H),7.56-7.52(m,3H),7.29-7.22(m,3H),7.20(dd, J=2.0 and 8.6Hz,1H),6.98-6.95(m,1H),4.93(s,2H),2.96-2.91(m,2H),2.66-2.59(m,2H),2.27(s,6H);FAB LRMS(m/z,相对强度)348(MH+,100),309(23);HRMS计算C19H21N7347.1861实测值347.1867.分析计算C19H21N7·2/3 CHCl3[氯仿]:C,55.33;H,4.64;N,22.96.实测值:C,55.5;H,4.94;N,23.33.
P.5-(3-苄硫基-1,2,4-噻二唑-5-基氨基)-3-(N-
甲基吡咯烷-2-基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和3-苄硫基-5-氯-1,2,4-噻二唑。乙酸钠作碱,乙酸作溶剂,将反应物回流加热1.5小时,柱层析分离得到标题化合物(9%)为无定形的固体:1H NMR(CD3OD)δ7.67(br s,1H),7.40-7.17(m,6H),7.09(s,1H),7.04(dd, J=8.6 and 2.1Hz,1H),4.88(br s,approx 3H),4.40(s,2H),3.16-3.03(m,2H),2.60-2.37(m,2H),2.43(s,3H),2.25-2.19(m,1H),1.83-1.50(m,4H);13C NMR(CD3OD)δ169.0,139.1,135.7,13.3.1,130.1,129.6,129.2,128.3,125.3,116.3,113.8,113.2,110.8,68.4,58.3,41.1,36.8,32.4,30.4,22.4.HRMS 计算 C23H25N5S2 435.1555,实测值435.1518.
分析计算C23H25N5S2·0.4 NH3:C,62.50;H,5.75;N,17.11.实测值C,62.93;H,5.50;N,17.57.
Q.3-(2-二甲基氨乙基)-5-(嘧啶-2-基氨基)-1H-吲哚
用5-氨基-3-(2-二甲基氨乙基)-1H-吲哚和2-氯嘧啶,用乙酸钠作碱,乙酸作溶剂,将反应物回流加热12小时。柱层析分离产生的标题化合物(11%)为黄色固体:13C NMR(CD3OD)δ162.6,159.2,135.4,132.2,128.9,124.0,118.6,113.7,112.6,112.4,112.3,61.3,45.4,24.3;HRMS,计算C16H19N5 281.1642实测值281.1660.计算 C16H19N5·0.5C2H4O2[乙酸]:C,65.62;H,6.80;N,22.51.实测值:C,65.74;H,6.68;N,22.60.
R.3-(2-二甲基氨乙基)-5-(3-甲基磺酰吡啶-2-基氨基)
-1H-吲哚
用5-氨基-3-(2-二甲基氨乙基)-1H-吲哚和2-氯-3-甲基磺酰吡啶,以2,6-二甲基吡啶作碱,溴代苯作溶剂,将反应物回流加热3.5小时,柱层析分离产生的标题化合物(13%)为黄色固体:熔点,66.0-68.0℃;1H NMR(CDCl3)δ8.46(s,NH),8.33(dd, J=4.8和1.9Hz,1H),8.33(br s,NH),8.06(dd, J=7.8和1.9Hz,1H),7.66(d, J=1.8Hz,1H),7.29(d, J=8.5Hz,1H),7.20(dd,J=8.6和2.0Hz,1H),6.97(d, J=2.2Hz,1H),6.78(dd, J=7.8和4.8 Hz,1H),3.15(s,3H),2.94-2.88(m,2H),2.66-2.60(m,2H),2.34(s,6H);HRMS计算C18H22N4O2S 358.1459,实测值358.1490.
S.3-(N-甲基吡咯烷-2-基甲基)-5-(2-硝基苯氨基)-
1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和邻-硝基氟代苯,用三乙胺作碱,邻-硝基氟苯作溶剂,将反应物回流加热24小时。柱层析分离产生的标题化合物(48%)为红色无定形的固体:1H NMR(CDCl3)δ9.62(brs,NH),8.77(brs,NH),8.19(dd, J=8.7和1.5Hz,1H),7.47(d, J=1.6Hz,1H),7.38(d, J=8.5Hz,1H),7.29-7.23(m,1H),7.09-7.00(m,3H),6.69-6.64(m,1H),3.20-3.12(m,2H),2.63(dd, J=14.0和9.5Hz,1H),2.54-2.45(m,1H),2.45(s,3H),2.25(dd, J=17.1和9.2Hz,1H),1.91-1.54(m,4H);13C NMR(CDCl3)δ145.4,135.7,134.8,132.1,130.1,128.6,126.5,123.6,120.7,116.4,116.4,116.1,114.1,112.2,66.7,67.5,40.8,31.5,29.8,21.9;FAB HRMS计算[C20H22N4O2·H]351,1823,实测值351,1797
T.5-(6-甲氧基-3-硝基吡啶-2-基氨基)-3-(N-甲基
吡咯烷-2-基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和2-氯-6-甲氧基-3-硝基吡啶。用三乙胺作碱,无水乙醇作溶剂,将反应物回流加热5.5小时。柱层析产生的标题化合物(54%)为红色无定形的固体:1H NMR(CDCl3)δ8.80(br s,NH),8.37(d, J=9.1Hz,1H),7.85(s,1H),7.34-7.28(m,2H),7.03(d, J=2.0Hz,1H),6.14(d, J=9.1Hz,1H),3.85(s,3H),3.19-3.11(m,2H),2.61(dd,J=13.8和9.5Hz,1H),2.54-2.45(m,1H),2.45(s,3H),2.24(dd, J=17.1 and 9.3Hz,1H),1.91-1.54(m,4H);13C NMR(CDCl3)δ166.9,151.3,138.2,134.0,129.6,127.8,123.3,122.0,118.6,114.1,113.3,111.1,102.0,66.5,57.5,54.7,40.8,31.6,29.9,21.9;HRMS计算C20H23N5O3 381.1803,实测值381.1799.
U.5-(4-甲基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡
咯烷-2-基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和2-氯-4-甲基-3-硝基吡啶,以三乙胺作碱,无水乙醇为溶剂,将反应物回流加热24小时。柱层析产生的标题化合物(34%)为红色的无定形固体:1H NMR(CDCl3)δ9.26(br s,NH),8.79(br s,NH),8.10(d, J=4.8Hz,1H),7.64(d, J=1.7Hz,1H),7.29(d, J=8.5Hz,1H),7.17(dd, J=8.5和1.9Hz,1H),6.97(d, J=2.2Hz,1H),6.56(d, J=4.8Hz,1H),3.25-3.16(m,2H),2.67(dd, J=13.2和9.4Hz,1H),2.64-2.56(m,1H),2.56(s,3H),2.46(s,3H),2.30(dd, J=17.7和9.4Hz,1H),1.90-1.60(m,4H);13C NMR(CDCl3)δ152.2,151.5,146.6,134.3,131.0,130.0,127.9,123.4,119.4,117.1,114.0,113.3,111.6,67.0,57.4,40.7,31.4,29.5,21.8,21.7;FAB HRMS计算[C20H23N5O2·H]366.1932,实测值366.1957.
V.3-(N-甲基吡咯烷-2-基甲基)-5-(3-硝基-5-苯基
吡啶-2-基氨基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和4-溴-3-硝基联苯。以三乙胺为碱,N,N-二甲基甲酰胺作溶剂,将反应物在110℃加热12小时。层析分离产生的标题化合物(24%)为红色的无定形的固体:1H NMR(CDCl3)δ9.63(br s,NH),8.97(br s,NH),8.42(d, J=2.2Hz,1H),7.56-7.25(m,9H),7.08(d, J=9.0Hz,2H),3.50-3.32(m,2H),2.95-2.79(m,2H),2.59-2.52(m,1H),2.53(s,3H),2.05-1.71(m,4H);13C NMR(CDCl3)δ144.4,138.8,134.9,134.5,132.4,131.1,130.2,129.7,129.0,127.3,128.2,124.7,124.1,120.8,116.7,115.9,112.7,112.0,67.9,57.4,40.6,31.2,28.6,21.9;FAB HRMS计算[C26H26N4O2·H]427.2136,实测值427.2099.
W.5-(3-氰基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-
基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和2-氯烟酰腈,碳酸钠作碱,N,N-二甲基甲酰胺作溶剂,将反应物在110℃加热20小时。柱色层分离产生的标题化合物(32%)为桔红色无定形固体:Rf=0.4 in 9∶1∶0.1 二氯甲烷/甲醇/NH4OH
13C NMR(CDCl3)δ157.7,152.7,141.7,134.2,129.8,128.1,123.1,122.2,118.7,116.8,113.6,113.2,111.5,102.2,66.6,57.5,40.8,31.5,30.0,21.9;FAB HRMS
计算[C20H21N5·H]332.2073,实测值332.1871.
X.5-(6-异丙氧基-3-硝基吡啶-2-基氨基)-3-(N-甲
基吡咯烷-2-基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和2,6-二氯-3-硝基吡啶,不用碱,以2-丙醇作溶剂。将反应混合物在室温下搅拌1小时。然后在0℃冷却的条件下向上述反应混合物中滴加5当量的氢化钠异丙醇溶液。将反应混合物在室温下通氮气搅拌2.5小时,在减压下使反应混合物蒸发。将残渣做柱层析分离,产生的标题化合物(42%)为一橙色无定形固体:1H NMR(CDCl3)δ10.6(br s,NH),8.57(br s,NH),8.37(d, J=9.2Hz,1H),7.71(s,1H),7.34-7.28(m,2H),7.05(d, J=2.0Hz,1H),6.08(d,J=9.2Hz,1H),5.14(sept, J=6.2Hz,1H),3.18-3.10(m,2H),2.61(dd, J=14.0和9.4Hz,1H),2.54-2.45(m,1H),2.44(s,3H),2.23(dd, J=17.2和9.3Hz,1H),1.90-1.53(m,4H),1.25(d, J=6.1Hz,3H),1.24(d, J=6.2Hz,3H);13C NMR(CDCl3)δ166.3,151.8,138.1,134.1,129.5,127.9,123.1,121.7,119.2,114.2,113.9,111.0,102.8,70.4,66.4,57.5,40.8,31.5,29.9,21.9,14.0,11.0;FAB HRMS计算[C22H27N5O3·H]410.21 94,实测值409.21 87.
Y.5-(4-氰基-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-
基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和4-氯-3-硝基苄腈。以三乙胺作碱,无水乙醇作溶剂,将反应物回流加热4小时。柱层析产生的标题化合物(80%)为红色固体:熔点,170-171.0℃;13C NMR(CDCl3)δ147.3,137.1,135.4,132.0,131.4,128.6,128.0,125.3,120.6,117.9,117.1,116.3,113.1,111.9,99.1,68.1,57.3,40.6,31.2,28.1,21.9.分析计算C21H21N5O2·0.05CH2Cl2:C,66.59;H,5.60;N,18.44.实测值:C,66.56;H,5.26;N,18.42.
Z.3-(N-甲基吡咯烷-2-基甲基)-5-(4-三氟甲基-2-
硝基苯氨基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和4-氯-3-硝基三氟甲苯作反应物。以三乙胺作碱,无水乙醇为溶剂。将反应物回流加热4.5小时。柱层析产生的标题化合物(38%)为红色的泡沫体:Rf=0.30在9∶1∶0.1(二氯甲烷/甲醇/氢氧化铵);13C NMR(CDCl3)δ147.0,139.7,135.1,131.6,131.0,129.2,128.5,124.7,124.2,120.7,118.6,116.8,116.6,113.6,112.6,67.1,57.4,40.8,31.3,29.2,21.9.FAB LRMS 419[MH+]. 分析计算C21H21F3N4O2·0.6CH2Cl2:C,55.27;H,4.77;N,11.94.实测值:C,55.44 H,4.58 N,11.52.
AA.5-(5,6-二氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-
2-基甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和1,2,3-三氯硝基苯作反应物,碳酸钠作碱,N,N-二甲基甲酰胺作溶剂,将反应物在125℃加热3小时。柱层析分离产生的标题化合物(60%)为一红色固体:R4=0.4在9∶1∶0.1(二氯甲烷/甲醇/氢氧化铵);1H NMR(CDCl3)δ8.59(br s,NH),8.36(br s,NH),7.96(d, J=9.1Hz,1H),7.23(d, J=8.6Hz,1H),7.09(s,1H),7.07(d, J=9.1Hz,1H),6.99(d, J=1.9Hz,1H),6.81(dd, J=8.6和2.1Hz,1H),3.15-3.05(m,2H),2.54(dd, J=13.8和9.6Hz,1H),2.46-2.33(m,1H),2.40(s,3H),2.22(dd, J=17.4和9.3Hz,1H),1.84-1.48(m,4H);FAB HRMS计算[C20H20Cl2N4O2·H]419.1044,实测值419.1046.
BB.5-(5-氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基
甲基)-1H-吲哚
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚和2,4-二氯硝基苯,碳酸钠作碱,N,N-二甲基甲酰胺作溶剂,将反应物在125℃加热3小时。柱层析产生的标题化合物(50%)为一红色固体:
FAB HRMS计算[C20H21C1N4O2·H]385.1434,实测值385.1451.
CC.5-(4-氰基-2-硝基苯氨基)-3-[(2R,4R)-N-甲基-
4-甲氧基吡咯烷-2-基甲基]-1H-吲哚
用5-氨基-3-[(2R,4R)-N-甲基-4-甲氧基吡咯烷-2-基甲基]-1H-吲哚和4-氯-3-硝基苄腈,三乙胺作碱,无水乙醇为溶剂,将反应物回流加热3.5小时。柱层析产生的标题化合物(56%)为红色无定形固体:1H NMR(CDCl3)δ9.92(br s,NH),8.54(d, J=1.9Hz,1H),8.52(br s,NH),7.45-7.39(m,3H),7.13(br s,1H),7.03(dd, J=8.8和1.7Hz,1H),7.03(d, J=8.9Hz,1H),3.80-3.70(m,1H),3.26(s,3H),3.25-3.15(m,2H),2.70(dd, J=14.2和9.5Hz,1H),2.49-2.38(m,1H),2.42(s,3H),2.25(dd, J=10.8和5.3Hz,1H),2.19-2.10(m,1H),1.67-1.56(m,1H);13C NMR(CDCl3)δ147.2,137.0,135.1,132.1,131.3,128.5,128.0,124.1,120.3,118.0,117.0,116.8,114.0,112.6,99.0,78.5,65.9,62.4,56.5,40.6,39.2,29.5;FABHRMS计算[C22H23N5O3·H]406.1881,实测值406.1872.
                       实施例2
(R)-5-(3-硝基吡啶-2-基氨基)-3-(吡咯烷-2-基甲
基)-1H-吲哚烷基化的一般方法
将(R)-5-(3-硝基吡啶-2-基氨基)-3-(吡咯烷-2-基甲基)-1H-吲哚(0.337g,1.00mmol)和三乙胺(0.126g,1.25mmol,1.25当量)溶液(溶剂为无水二氯甲烷,无水乙腈,无水乙醇或异丙醇)(10ml),在室温通氮气下边搅拌边滴加1.25mmol烷化剂。根据反应物的情况,将生成的反应液在氮气中于室温或回流加热下搅拌1-20小时。用硅胶(约25g)装柱,将生成的反应混合物直接做柱层析分离,再用二氯甲烷∶甲醇∶氢氧化铵(9∶1∶0.1)洗脱以得到所要求的化合物。
根据这个方法制备了下列化合物:
A.(R)-3-(N-环丙基甲基吡咯烷-2-基甲基)-5-(3-硝
基吡啶-2-基氨基)-1H-吲哚
反应溶剂为二氯甲烷,烷化剂为溴甲基环丙烷,将反应液回流加热4小时。色层分离产生的标题化合物(34%)为深红色泡沫:13C NMR(CDCl3)δ155.7,151.4,135.5,134.3,129.4,128.2,123.1,119.3,114.4,114.3,113.0,111.4,65.0,59.9,55.0,30.9,30.3,22.2,10.0;FAB LRMS(m/z,相对强度)392(MH+,33),374(3),307(3),267(7),220(7),154(10),124(100);HRMS计算C22H25N5O2 391.2011,实测值391.1988.
B.(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙炔基)
吡咯烷-2-基甲基)-1H-吲哚
反应溶剂为二氯甲烷,烷化剂为炔丙基溴,将反应液在室温下搅拌2小时。色层分离产生的标题化合物(69%)为深红色泡沫:13C NMR(CDCl3)δ155.7,151.4,135.5,134.3,129.4,128.0,123.1,119.2,114.3,114.0,113.0,111.3,79.1,72.8,61.6,53.2,40.8,31.2,29.8,21.9;FAB LRMS(m/z,相对强度)376(MH+,67),350(5),307(17),267(12),220(10),136(100);HRMS计算C21H21N5O2 375.1597,实测值375.1585.
C.(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙烯基)
吡咯烷-2-基甲基)-1H-吲哚
反应物溶剂为二氯甲烷,烷化剂为烯丙基碘,将反应液在室温下搅拌2.5小时。柱层析产生的标题化合物(59%)为深红色泡沫:13C NMR(CDCl3)δ155.7,151.2,135.6,134.2,129.9,128.2,126.9,126.6,125.6,125.1,119.6,113.4,112.2,109.6,67.4,56.3,53.7,30.7,27.2,22.0;FAB LRMS(m/z,相对强度)378(MH+,100),336(3),267(10),220(13),136(40).分析计算C21H23N5O2·1.6 CHCl3[氯仿]:C,47.75;H,4.36,N,12.32.Found:C,47.89;H,4.51;N,12.68;HRMS计算C21H23N5O2 377.1854,实测值377.1881.
D.(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-丙基吡咯烷
-2-基甲基)-1H-吲哚
反应物溶剂为二氯甲烷,烷化剂为丙基碘,将反应液在室温下搅拌18小时。柱层析产生的标题化合物(26%)为深红色泡沫:13C NMR(CDCl3)δ155.6,151.2,135.5,134.2,130.0,128.2,126.8,125.2,119.7,113.3,113.1,1122.109.6,69.3,56.9,54.5,30.6,27.1,22.0,18.7,11.4;FAB LRMS(m/z,相对强度)380(MH+,80),363(3),333(5),271(6),243(8),157(60),135(43),112(100);EI LRMS(m/z,相对强度)379(M+,0.2),378(1),267(3),220(5),128(14),112(100);HRMS计算C21H25N5O2 379.2011,实测值379.2027.
E.(R)-3-(N-丁基吡咯烷-2-基甲基)-5-(3-硝基吡啶
-2-基氨基)-1H-吲哚
反应物溶剂为二氯甲烷,烷化剂为丁基碘,将反应液在室温下搅拌18小时。色层分离产生的标题化合物(33%)为深红色泡沫:13C NMR(CDCl3)δ155.7,151.2,135.5,134.2,130.0,128.2,126.8,125.2,119.7,113.3,113.2,112.2,109.5,69.2,55.0,54.5,30.6,27.1,26.8,22.0,20.0,13.3;LRMS(m/z,相对强度)393(M+,0.2),392(1),391(1),267(2),220(3),126(100);HRMS计算C22H27N5O2 393.2167,实测值393.2156.
F.3-(N-(2-羟基环戊基)吡咯烷-2-基甲基)-5-(3-硝
基吡啶-2-基氨基)-1H-吲哚
反应物溶剂为二氯甲烷,烷化剂为环戊烯氧化物,将反应液回流加热(82℃)20小时,色层分离产生的标题化合物(57%)为深红色的泡沫,该产物包括由于与醇相邻的碳而形成的非对映体的混合物:13C NMR(CDCl3)δ155.6,151.3,135.5,134.2,129.3,129.3,128.1,123.3,123.2,119.0,118.9,114.8,114.2,114.2,113.0,111.4,111.4,75.5,74.7,70.6,69.1,62.4,61.7,51.1,48.2,34.6,32.8,31.1,30.9,30.8,30.3,29.2,23.1,23.0,22.7,21.7,20.5;LRMS(m/z,相对强度)421(M+,0.2),420(1),419(1),418(55),380(13),348(22),279(100),218(30),169(44),154(91);HRMS计算C23H27N5O3 421.2116,实测值421.2040.
G.(R)-3-(N-乙基吡咯烷-2-基甲基)-5-(3-硝基吡啶
-2-基氨基)-1H-吲哚
反应物溶剂为乙腈,烷化剂为乙基碘,将反应液在室温下搅拌7小时。色层分离产生的标题化合物(32%)为深红色泡沫:13C NMR(CDCl3)δ155.6.151.2,135.5,134.2,130.0,128.2,126.8,125.2,119.7,113.3,113.2,112.2,109.5,68.8.53.8,50.1,30.7,27.2,21.9,10.5;FAB LRMS(m/z,相对强度)366(MH+,100),332(8),257(8),229(15),157(55),135(37);HRMS计算C20H23NsO2365.1854,实测值365.1836.
H.(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-戊基吡咯烷
-2-基甲基)-1H-吲哚
反应物溶剂为二氯甲烷,烷化剂为戊基碘,将反应液在室温下搅拌18小时。色层分离产生的标题化合物(23%)为深红色泡沫:13C NMR(CDCl3)δ155.6,151.2,135.5,134.2,130.0,128.2,126.8,125.3,119.7,113.3,113.1,112.2,109.6,69.1,55.2,54.5,30.7,28.7,27.2,24.5,22.0,21.8,13.7;FAB LRMS(m/z,相对强度)408(MH+,36),327(8),136(100);HRMS计算C23H29N5O2407.2324,实测值407.2299.
I.(R)-3-(N-(2-甲氧乙基)吡咯烷-2-基甲基)-5-(3-
硝基吡啶-2-基氨基)-1H-吲哚
反应物溶剂为乙腈/二氯甲烷(1∶1),烷化剂为含碘化钠(1.25mmol)的2-溴乙基甲基醚,将反应液回流加热(40℃)7小时。色层分离产生的标题化合物(32%)为深红色泡沫:13C NMR(CDCl3)δ155.7,151.2,135.5,134.2,129.8,128.1,126.9,125.0,119.6,113.4,113.3,112.2,109.4,69.1,66.9,59.0,55.4,46.4,29.9,26.8,22.0;LRMS(m/z,相对强度)395(M+,0.5),394(1),348(20),267(39),220(68),128(100);HRMS计算C21H25N5O3 395.1960,实测值395.1940.
J.(R)-3-(N-(2-氰乙基)吡咯烷-2-基甲基)-5-(3-硝
基吡啶-2-基氨基)-1H-吲哚
反应物溶剂为无水乙醇,烷化剂为丙烯腈,不用碱,将反应液在室温下搅拌18小时。色层分离产生的标题化合物(27%)为深红色泡沫:H1 NMR(CDCl3)δ10.1(br s,1H),8.52(dd, J=8.4和1.6Hz,1H),8.44(dd, J=1.5和4.4Hz,1H),8.19(br s,1H),7.78(br s,1H),7.38-7.27(m,2H),7.09(d, J=1.5Hz,1H),6.76(dd, J=4.5和8.3Hz,1H),3.27-3.13(m,2H),3.08-3.01(m,1H),2.88-2.78(m,1H),2.74-2.49(m,4H),2.32-2.22(m,1H),1.90-1.57(m,4H);LRMS(m/z,相对强度)390(M+,17),335(5),268(54),220(24),123(100);HRMS计算C21H22N6O2 390.1807,实测值390.1773.
K.(R)-3-(N-(2-氰甲基)吡咯烷-2-基甲基)-5-(3-硝
基吡啶-2-基氨基)-1H-吲哚
反应物溶剂为乙腈/二氯甲烷(3∶2),烷化剂为溴乙腈,将反应液在室温下搅拌18小时。色层分离产生的标题化合物(76%)为深红色泡沫:13C NMR(CDCl3)δ155.8,151.4,135.5,134.2,129.6,128.1,127.9,123.3,119.3,115.5,114.1,113.1,111.5,62.1,53.7,40.7,31.2,29.9,22.2;LRMS(m/z,相对强度)376(M+,6),375(28),279(58),180(10),169(14),109(100);HRMS计算C20H20N6O2 376.1650,实测值376.1641.
                         实施例3
通过5-芳氨基-3-(N-叔丁氧基羰基哌啶-4-基)-1H-吲哚,5-芳氨基-3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚和5-芳氧基-3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚的去保护作用分别制取5-芳氨基-3-(哌啶-4-基)-1H-吲哚,5-芳氨基-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚或5-芳氧基-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚的一般方法
将5-芳氨基-3-(N-叔丁氧基羰基哌啶-4-基)-1H-吲哚,5-芳氨基-3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚,或5-芳氧基-3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚(2.00mmol)的无水甲醇溶液(20ml),在搅拌下于0℃通HCl气约15分钟。将生成的混合物于0℃在氮气中搅拌6小时。然后将混合物过滤即分别得到5-芳氨基-3-(哌啶-4-基)-1H-吲哚,5-芳氨基-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚或5-芳氧基-3-(1,2,5,6-四氢吡啶-4-基)-1H-吲哚的盐酸盐。
A.5-(3-硝基吡啶-2-基氨基)-3-(哌啶-4-基)-1H-
吲哚
用3-(N-叔丁氧基羰基哌啶-4-基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚。过滤后产生的标题化合物(83%)为深红色固体:熔点,220℃分解;13C NMR(DMSO-d6)δ155.5,150.8,135.7,134.4,129.2,127.9,126.0,121.8,119.3,118.3,114.5,113.4,111.5,43.5,31.0,29.0.LRMS(m/z,相对强度)337(M+,31),302(44),281(31),240(100).分析计算C18H19N5O2·3.0 HCl:C,48.39;H,4.96;N,15.68.实测值:C,48.73;H,5.16;N,15.21.
B.5-(3-硝基吡啶-2-基氨基)-3-(1,2,5,6-四氢吡
啶-4-基)-1H-吲哚
用3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚。过滤后产生的标题化合物(85%)为深红色固体:熔点, 204℃分解;13C NMR(DMSO-d6)δ155.3,150.7,135.7,134.9,130.5,130.0,128.1,124.7,124.3,119.6,115.7,114.7,113.5,111.8,48.6,41.2,23.9.分析计算C18H17N5O2·2.75 HCl·CH3OH[甲醇]:C,48.80;H,5.12;N,14.98.实测值:C,49.11;H,5.14;N,15.34.
C.5-(5-硝基吡啶-2-基氨基)-3-(1,2,5, 6-四氢吡
啶-4-基)-1H-吲哚
用3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-5-(5-硝基吡啶-2-基氨基)-1H-吲哚。过滤后产生的标题化合物(87%)为深红色固体:熔点,273℃分解;13C NMR(DMSO-d6)δ169.9,146.7,135.2,134.2,132.2,131.9,130.1,124.5,124.4,118.0,115.0,113.0,112.1,41.9,40.6,24.7;LRMS(m/z,相对强度)336(20),335(M+,100),306(50),294(53),167(67).分析计算C18H17N5O2·2.1 HCl:C,52.48;H,4.67;N,17.00.实测值;C,52.41;H,4.54;N,16.71.
D.5-(3-硝基吡啶-2-氧基)-3-(1,2,5,6-四氢吡啶
-4-基)-1H-吲哚
用3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-5-(3-硝基吡啶-2-氧基)-1H-吲哚。过滤后产生的标题化合物(53%)为黄色固体:熔点,244.0-245.0℃;
13C NMR(DMSO-d6)δ155.9,152.1,146.2,135.9,134.8,134.1,129.7,
125.3,124.6,118.7,116.2,114.9,112.7,112.4,112.3,41.2,24.0.分析计算
C18H16N4O3·1.5 HCl·0.5 CH3OH[甲醇]:C,54.59;H,4.83;N,1376,实测值:C,
54.21;H,4.56;N,13.44.
E.5-(5-硝基吡啶-2-氧基)-3-(1,2,5,6-四氢吡啶
-4-基)-1H-吲哚
用3-(N-叔丁氧基羰基-1,2,5,6-四氢吡啶-4-基)-5-(5-硝基吡啶-2-氧基)-1H-吲哚。过滤后产生的标题化合物(19%)为橙色泡沫:13C NMR(DMSO-d6)δ167.7,146.2,144.9,140.0,135.5,134.8,129.7,124.2,115.5,112.7,
112.3,110.9,44.7,42.8,28.1;LRMS(m/z,相对强度)336(M+,24),307(9),210
(100),185(40);HRMS计算C18H16N4O3 336.1224,实测值336.1196.
                     实施例4
3-(2-二甲基氨乙基)-5-(3-氨基吡啶-2-基氨基)-1H
-吲哚
将3-(2-二甲基氨乙基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚(1.27g,3.90mmol),10%钯-炭(200mg)和无水乙醇(20ml)的混合物在氢气中(3个大气压)摇动2小时,将反应混合物用硅藻土过滤,将滤液减压蒸发。用硅胶(约40g)装柱,将残渣做柱层析,再用无水甲醇洗脱,产生的标题化合物(0.74g,64%)为灰白色固体:熔点,泡腾温度196.0-198.0℃;13C NMR(DMSO-d6)δ145.3,134.5,133.6,132.1,131.0,127.3,122.6,118.8,116.1,114.2,112.1,110.8,108.6,60.1,45.2,23.4;HRMS计算C17H21N5 295.1793,found 295.1810.分析计算C17H21N5·0.4 C2H5O[乙醇]:C,68.13;H,7.52;N,22.32.实测值:C,68.12;H,7.19;N,22.51.
                      实施例5
3-(2-二甲基氨乙基)-5-(3-苯羰基氨基吡啶-2-基氨基)
-1H-吲哚
将3-(2-二甲基氨乙基)-5-(3-氨基吡啶-2-基氨基)-1H-吲哚(0.157g,0.53mmol)和三乙胺(74μl,0.54mmol,1.0当量)溶于无水四氢呋喃(3ml)中,边搅拌边滴加苯甲酰氯(62μl,0.54mmol,1.0当量)。将生成的反应混合物于氮气中在室温下搅拌15分钟。加入饱和碳酸氢钠溶液(10ml),再用乙酸乙酯(3×10ml)提取。将有机提取物合并,干燥(MgSO4),减压蒸发。将残渣用***研磨,生成的标题化合物(0.082g,39%)为无定形固体:13C NMR(DMSO-d6)δ166.5,151.9,144.5,134.5,132.7,132.5,131.6,128.3,128.0,127.2,122.8,119.6,117.3,113.3,112.1,110.8,110.4,59.9,45.0,23.1;LRMS(m/z,相对强度)399(M+,100),354(33),249(10),235(18),204(40),160(86);HRMS计算C24H25N5O 399.2062,实测值399.2080.
                      实施例6
3-(2-二甲基氨乙基)-5-(6-苄氨基羰基-3-甲硫基-1,
2,4-三嗪-5-基氨基)-1H-吲哚
将3-(2-二甲基氨乙基)-5-(6-乙氧基羰基-3-甲硫基-1,2,4-三嗪-5-基氨基)-1H-吲哚(0.25g,0.62mmol)在二氯甲烷(5ml)中的混合物,在室温下通氮搅拌同时滴加苄胺(0.14ml,1.25mmol,2.0当量)。将生成的反应物通氮搅拌48小时,然后过滤。将生成的黄色固体用甲醇∶乙酸乙酯(4∶1)重结晶,产生的标题化合物(0.063g,22%)为黄色固体:熔点,207.0-209.0℃。FAB HRMS计算[C24H27N7OS·H+]462.2079,found 462.2054.分析计算C24H27N7OS·3/4 H2O:C,60.67;H,6.05;N,20.63.实测值;C,60.58;H,5.73;N,20.58.
                    实施例7
N-甲基-3-(5-苯羰氨基吲哚-3-基)丁二酰胺
将溶于冰乙酸(75ml)的5-苯羰氨基-1H-吲哚(2.50g,10.58mmol)[Chem.Abstracts.10991g(1954)]和N-甲基马来酰亚胺(2.94g.26.46mmol,2.5当量)的溶液在通氮回流加热24小时。将生成的反应液减压蒸发,将油状残渣溶于乙酸乙酯(50ml)。用饱和的碳酸氢钠溶液(2×25ml)洗涤此溶液,干燥(MgSO4),减压蒸发。将油状残渣做硅胶(约100g)柱层析,以乙酸乙酯∶己烷[梯度1∶3-1∶1]洗脱,产生的标题化合物(1.06g,29%)为白色固体:熔点,226.5-227.7℃;FABLRMS(m/z,相对强度)348(MH+,100),332(2),275(4),263(5).分析计算C20H17N3O3·1/8 H2O:C,68.71;H,4.97;N,12.02.实测值:C,68.68;H,4.74;N,11.91.
                     实施例8
5-苄氨基-3-(N-甲基吡咯烷-3-基)-1H-吲哚
将N-甲基-3-(5-苯羰氨基吲哚-3-基)丁二酰胺(18.31g,52.71mmol)溶于无水四氢呋喃(270ml),于0℃,搅拌下用45分钟的时间分批添加固体氢化铝锂(20.01g,527mmol,10当量)。生成的反应混合物在氮气中于室温下搅拌24小时。小心地向反应混合物中加入50g硫酸钠十水物,再加5ml水,100ml乙酸乙酯。将生成的混合物在室温下搅拌1小时。将反应混合物过滤,将滤液减压蒸发。将油状残渣做硅胶(约500g)柱层析,用乙酸乙酯∶甲醇∶三乙胺[梯度9∶0∶1-8∶1∶1]洗脱,产生的标题化合物(7.90g,49%)为淡黄色油状物:13C NMR(丙酮-d6)δ142.9,142.1,132.3.129.3,128.6,127.5,121.9,118.6,112.8,112.5,102.0,63.6,57.1,49.9,42.8,36.5,33.0;FAB LRMS(m/z,相对强度)306(MH+,100),263(4),248(4),223(8)
                    实施例9
5-氨基-3-(N-甲基吡咯烷-3-基)-1H-吲哚
将5-苄氨基-3-(N-甲基吡咯烷-3-基)-1H-吲哚(7.80g,25.5mmol)、甲酸铵(16.10g,255mmol,10当量)和10%钯-炭(0.78g)在无水乙醇(250ml)中的混合物在氮气中回流加热1小时。过滤后,将滤液减压蒸发。生成的油状残渣用硅胶(约200g)做柱层析,用0.3%的三乙胺甲醇溶液洗脱,产生的标题化合物(0.90g,16%)为淡黄色油状物:1H NMR(CD3OD)δ7.13(d, J=8.5Hz,1H).6.94(br s,2H),6.65(dd, J=2.0和8.5Hz,1H),4.91(s,2-NH),3.66-3.50(m,1H),3.17-3.08(br t,1H),2.96-2.85(m,1H),2.67-2.50(m,2H),2.40(s,3H),2.37-2.24(m,1H),2.08-1.93(m,1H);FAB LRMS(m/z,相对强度)216(MH+,100).
                    实施例10
(R)-3-(N-苄氧羰基吡咯烷-2-基羰基)-5-二苄氨基-
1H-吲哚
向(R)-N-苄氧羰基脯氨酸(3.59g,14.14mmol)和N,N-二甲基甲酰胺(0.1ml)在二氯甲烷(45ml)的混合物中滴加1.87ml草酰氯(21.62mmol,1.5当量)。将生成的泡腾混合物于氮气中在室温下搅拌1.5小时。然后将反应液减压蒸发,用无水***(50ml)溶解生成的残渣[(R)-N-[苄氧羰基脯氨酸酰氯]。将5-二苄氨基吲哚(9.00g,28.81mmol,2.0当量)和溶于75ml无水***的乙基镁化溴(3.0M,10.08ml,30.25mmol,2.1当量)溶液在氮气中于室温下搅拌30分钟,然后边搅拌边滴加入上述(R)-N-苄氧羰基脯氨酸酰氯的***溶液。将生成的反应混合物于氮气中在室温下搅拌30分钟,然后加入乙酸乙酯(100ml)和饱和碳酸氢钠溶液(75ml)。分出有机层,用乙酸乙酯(100ml)提取水层。将有机提取液合并,干燥(MgSO4),减压蒸发后产生绿色的油状物。将此油状物在50ml无水***中研制产生的标题化合物为白色固体:熔点,176.0-177.0℃;LRMS(m/z,相对强度)543(100,M+),453(10),407(7),339(40),307(10),247(10),154(38);[α]25=+112°(THF,c=1.0);分析计算C35H33N3O3:C,77.32;H,6.12;N,7.73.实测值:C,77.35;H,6.30;N,7.66.
               实施例11
(R)-5-二苄胺基-3-(N-甲基吡咯烷-2-基甲基)-1H-
吲哚
搅拌滴加(R)-3-(N-苄氧羰基吡咯烷-2-基羰基)-5-二苄氨基-1H-吲哚(6.90g,12.69mmol)的无水四氢呋喃(25ml)溶液于0℃的氢化铝锂(0.96g,25.2mmol,2.0当量)在无水四氢呋喃(125ml)的混合物中。将生成的反应混合物在氮气中于室温下搅拌30分钟。然后加入氢硼化锂(0.55g,25.2mmol,2.0当量),将反应物在氮气中回流加热(66℃)6小时后冷却,依次加入水(1.5ml)、氢氧化钠溶液(20%,1.5ml)和更多的水(4.5ml)。将生成物在氮气中于室温下搅拌1小时,用硅藻土过滤,将滤液减压蒸发生成绿色油状物(8.8g)。将此油状物溶于无水乙醇(90ml)中,加碳酸铯和碳酸钠各8g。将生成物回流加热12小时。然后将反应物减压蒸发,将残渣分配在饱和的碳酸氢钠溶液(50ml)和乙酸乙酯(100ml)中。分出有机层,用乙酸乙酯(100ml)提取水层。将有机提取液合并,干燥(MgSO4),减压蒸发生成一种棕色油状物。  将此油状物做硅胶(约200g)柱层析,用二氯甲烷/甲醇/氢氧化铵[9∶1∶0.1]洗脱,产生的标题化合物(4.63g,89%)为淡绿色泡沫:1H NMR(CDCl3)δ7.82(br s,NH),7.35-7.19(m,10H),7.20(d, J=8.6Hz,1H),6.95(d,J=2.1Hz,1H),6.85(dd, J=2.3和8.7Hz,1H),6.80(d, J=2.2Hz,1H),4.65(s,4H),3.25-3.02(m,2H),2.52(dd, J=9.5 and 13.9Hz,1H),2.39-2.15(m,2H),2.30(s,3H),1.85-1.40(m,4H);13C NMR(CDCl3)δ143.2,139.7,130.5,128.5,128.2,127.3,126.8,122.9,112.5,112.2,111.8,103.4,67.0,57.4,56.4,40.6,31.4,29.7,21.9;HRMS
计算C28H31N3 409.2520,实测值409.2475.
                    实施例12
(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚
在40℃通氢气(3个大气压)的情况下,将(R)-5-二苄氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚(1.08g,2.64mmol)和氢氧化钯(II)炭(0.6g)在无水乙醇(25ml)中的混合物摇动4小时。所得混合物经硅藻土过滤,将滤液减压蒸发产生的标题化合物(0.60g,2.62mmol,99%)为白色泡沫:1H NMR(CMSO-d6)δ10.66(br s,NH),7.14(d, J=2.2Hz,1H),7.12(d, J=8.6Hz,1H),6.85(d, J=1.6Hz,1H),6.60(dd, J=2.0 and 8.6Hz,1H),3.63-2.83(m,7H),2.78(s,3H),2.05-1.67(m,4H);[α]25=+9°(MeOH,c=1.0);HRMS
计算C14H19N3:229.1575;实测值229.1593.
                    实施例13
(R)-3-(N-苄氧羰基吡咯烷-2-基甲基)-5-二苄氨基-
1H-吲哚
将(R)-3-(N-苄氧羰基吡咯烷-2-基羰基)-5-二苄氨基-1H-吲哚(1.50g,2.75mmol)的无水四氢呋喃(30ml)溶液边搅拌边加入固体的氢硼化锂(0.24g,11.0mmol,4.0当量)。将生成的反应物回流加热4小时,然后加入饱和碳酸氢钠溶液(10ml),室温下搅拌30分钟。用乙酸乙酯(3×25ml)提取该反应液,将有机提取物合并,干燥(MgSO4),减压蒸发。将残渣做硅胶(约50g)柱层析,用乙酸乙酯/己烷[1∶3]液洗脱,产生的标题化合物(1.02g,70%)为白色泡沫:
FAB LRMS(m/z,相对强度)530
(MH+,87),529(M+,100),439(10),409(10),325(32),235(20).
                     实施例14
(R)-5-氨基-3-(吡咯烷-2-基甲基)-1H-吲哚
于室温通氢气(3个大气压)的情况下将(R)-3-(N-苄氧羰基吡咯烷-2-基甲基)-5-二苄胺基-1H-吲哚(7.90g,14.91mmol)和湿性氢氧化钯[II]/炭(皮尔曼氏催化剂,3.16g)在无水乙醇(100ml)中的混合物摇动12小时。用硅藻土将所得混合物过滤,将滤液或减压蒸发干燥,产生的标题化合物为白色泡沫:1H NMR(CD3OD)δ7.18(d, J=8.5Hz,1H),7.08(s,1H),6.92(d, J=2.0Hz,1H),6.69(dd, J=1.9和8.5Hz,1H),3.81-3.69(m,1H),3.30-2.95(m,4H),2.09-1.55(m,4H);13CNMR(CD3OD)140.1,133.4,129.1,125.0,114.6,113.1,109.8,105.1,62.1,46.0,31.1,29.1,24.3;LRMS(m/z,相对强度)215(M+,2),198(1),146(100),128(7),117(9),70(60).
                  实施例15
用5-氨基-3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚,5-氨基-3-(N-叔丁氧羰基哌啶-4-基)-1H-吲哚,或3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-羟基-1H-吲哚与2-氯吡啶分别缩合生成3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-(吡啶-2-基氨基)-1H-吲哚,3-(N-叔丁氧羰基-哌啶-4-基)-5-(吡啶-2-基氨基)-1H-吲哚,或3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-(吡啶-2-基氧)-1H-吲哚的一般方法
在5-氨基-3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚,5-氨基-3-(N-叔丁氧羰基哌啶-4-基)-1H-吲哚,或3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-羟基-1H-吲哚(10.0mmol)和一种碱(12.0mmol,1.2当量)在无水四氢呋喃或二噁烷(35ml)中的溶液中加入2-氯吡啶(11.0mmol,1.1当量)。根据反应物及其溶剂的不同,将生成的反应溶液或回流搅拌,或在室温下氮气中搅拌3-48小时。然后向反应物中加入25ml碳酸氢钠的饱和溶液,再用乙酸乙酯(3×25ml)提取此混合液。将有机提取液合并,干燥(MgSO4),减压蒸发。将提取物残渣做硅胶(约150g)柱层析,再用相应的溶剂***洗脱以产生予期的3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-(吡啶-2-基氨基)-1H-吲哚,3-(N-叔丁氧羰基哌啶-4-基)-5-(吡啶-2-基氨基)-1H-吲哚,或3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-(吡啶-2-基氧)-1H-吲哚。
按上述方法制备了下列化合物:
A.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-
(3-硝基吡啶-2-基氨基)-1H-吲哚
用5-氨基-3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚和2-氯-3-硝基吡啶。用三乙胺作碱,四氢呋喃为反应溶剂,回流加热(66℃)8小时,色谱溶剂***为***/己烷[梯度1∶1-1∶0],产生的标题化合物(73%)为深红色泡沫:1H NMR(CDCl3)δ10.1(br s,1H),8.51(dd, J=1.8和8.4Hz,1H),8.43(dd, J=1.8和4.5Hz,1H),8.20(br s,1H),8.00(br s,1H),7.40-7.35(m,2H),7.19(d, J=2.5Hz,1H),6.75(dd, J=4.5和8.3Hz,1H),6.12(br m,1H),4.12(br m,2H),3.66(br t, J=5.7Hz,2H),2.55(br m,2H),1.49(s,9H);TLC[***]:Rf=0.4.
B.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-
(5-硝基吡啶-2-基氨基)-1H-吲哚
用5-氨基-3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚和2-氯-5-硝基吡啶。碱为三乙胺,四氢呋喃为反应溶剂,将反应物回流加热(66℃)48小时,色层溶剂液***为二氯甲烷/己烷[1∶1],产生的标题化合物(76%)为红色泡沫:1H NMR(CD3OD)δ8.95(d, J=2.4Hz,1H),8.18(dd,J=2.8和9.3Hz,1H),7.96(br s,1H),7.38(d, J=8.9Hz,1H),7.32(s,1H),7.24(dd,J=2.2和8.8Hz,1H),6.70(d, J=9.0Hz,1H),6.10(br m,1H),4.89(s,2-NH),4.08(brm,2H),3.65(br t, J=5.6Hz,2H),2.56(br m,2H),1.49(s,9H);TLC[***]:Rf=0.45.
C.3-(N-叔丁氧羰基哌啶-4-基)-5-(3-硝基吡啶-2-
基氨基)-1H-吲哚
用5-氨基-3-(N-叔丁氧羰基哌啶-4-基)-1H-吲哚和2-氯-3-硝基吡啶。碱为三乙胺,二噁烷为反应溶剂,将反应物回流加热(101℃)5小时,色层溶剂***液为乙酸乙酯的己烷溶液[30-40%],产生的标题化合物(70%)为深红色泡沫:1H NMR(CDCl3)δ155.8,155.0,151.6,135.5,134.6,129.4,126.9,121.3,120.8,119.8,114.8,113.1,111.5,79.4,44.5,33.6,32.8,28.5.分析计算C23H27N5O4·1/4C4H8O2[乙酸乙酯]:C,62.73;H,6.36;N,15.24.实测值:C,62.51;H,6.08;N,15.21.
D.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-
(3-硝基吡啶-2-氧基)-1H-吲哚
用3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-羟基-1H-吲哚和2-氯-3-硝基吡啶。碱为氢化钠(60%油分散体),四氢呋喃为反应溶剂,室温下将反应物搅拌3小时,色谱溶剂***为***/己烷[梯度1∶1-4∶1],产生的标题化合物(62%)为黄色固体:熔点,206.0-208.0℃泡腾;1H NMR(DMSO-d6)δ8.53(dd, J=1.8和8.3Hz,1H),8.33(dd, J=1.8和4.4Hz,1H),7.62(d, J=2.0Hz,1H),7.50(br s,1H),7.42(d, J=8.6Hz,1H),7.30(dd, J=4.4和8.3Hz,1H),6.94(dd, J=2.0和8.6Hz,1H),6.05-6.01(m,1H),4.02-3.94(m,2H),3.54(br t, J=5.6Hz,2H),2.54-2.45(m,2H),1.42(s,9H);TLC[二氯甲烷/己烷1∶1]:Rf=0.2;TLC[***]:Rf=0.3.
E.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-
(5-硝基吡啶-2-氧基)-1H-吲哚
用3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-羟基-1H-吲哚和2-氯-5-硝基吡啶。碱为氢化钠(60%)油分散体),四氢呋喃为反应溶剂,将反应物回流加热(66℃)12小时,色谱溶剂***为***/己烷[1∶3],产生的标题化合物(78%)为黄色泡沫:1H NMR(CD3OD)δ8.88(d,J=2.8Hz,1H),8.39(dd, J=2.8和9.1Hz,1H),7.58(d, J=2.1Hz,1H),7.39(d, J=8.7Hz,1H),7.31(s,1H),6.94-6.88(m,2H),5.98(br m,1H),4.88(s,NH),4.00(br m,2H),3.59(br t, J=5.3Hz,2H),2.50(br m,2H),1.44(s,9H);LRMS(m/z,相对强度)436(M+,4),379(68),363(16),335(29),57(100);TLC[二氯甲烷/***,1∶1]:Rf=0.5.
                  实施例16
5-氨基-3-(N-叔丁氧羰基哌啶-4-基)-1H-吲哚
在室温下氢气中(3个大气压)将3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-硝基-1H-吲哚(3.55g,10.34mmol)和10%钯/炭(0.55g)在无水乙醇(60ml)中的混合物摇动7小时。生成的反应混合物用硅藻土过滤,将滤液减压蒸发。将残留的固体在***中研制,生成的标题化合物(2.56g,78%)为浅粉红色固体:熔点,215℃分解;13C NMR(CDCl3)δ155.0,139.0,131.3,127.3,120.4,119.8,112.9,111,8,104.1,79.4,44.5,33.8,32.7,28.5.分析计算C18H25N3O2·1.4 H2O:C,67.57;H,8.03;N,13.13.实测值:C,67.20;H,8.07;N,13.44.
                     实施例17
由吲哚生成3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚的-般方法
钠(2.51g,105mmol,7当量)溶解在无水甲醇(50ml)中,边搅拌边加入吲哚(15.0mmol)和N-叔丁氧羰基-4-哌啶酮(8.96g,45.0mmol,3当量)。按所用吲哚的不同,将生成的反应液在氮气中回流加热(65℃)3-24小时。然后减压蒸发,将残渣分配于饱和碳酸氢钠溶液(50ml)和乙酸乙酯(50ml)之间。先移出有机层,用乙酸乙酯(2×50ml)提取水层。将所有的有机提取物合并,干燥(MgSO4),减压蒸发。用在***中研制或做柱层析使残渣纯化,即生成所希望的3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-1H-吲哚。
按上述方法制备了下列化合物:
A.5-氨基-3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4
-基)-1H-吲哚
用5-氨基吲哚,反应物回流加热5小时,用硅胶(约200g)柱层析法使提取物残渣纯化,用***洗脱,生成的标题化合物(70%)为米色泡沫:
1H
NMR(CD3OD)δ7.26(d, J=1.8Hz,1H),7.17(s,1H),7.15(d, J=8.9Hz,1H),6.70(dd,J=2.0和8.5Hz,1H),6.09-6.03(m,1H),4.88(s,3H,可置换的质子),4.12-4.06(m,2H),3.63(br t, J=5.1Hz,2H),2.57-2.47(m,2H),1.49(s,9H);TLC[***]:Rf=0.2.B.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-羟基-1H-吲哚
用5-羟吲哚,反应物回流加热3小时,将固体提取物残渣在***(100ml)中研制,生成的标题化合物(88%)为白色固体:熔点,230℃分解;13C NMR(DMSO-d6)δ154.0,151.1,131.5,130.5,125.2,123.5,115.4,114.8,112.1,111.5,104.2,78.7,43.5, 39.2,38.9,28.2.分析计算C18H22N2O3:C,68.77;H,7.05;N,8.91.实测值:C,68.73;H,7.15;N,8.89.
C.3-(N-叔丁氧羰基-1,2,5,6-四氢吡啶-4-基)-5-
硝基-1H-吲哚
用5-硝基吲哚,反应物回流加热24小时,用硅胶(约200g)柱层析法纯化提取物残渣,洗脱液为乙酸乙酯/己烷[梯度1∶2-1∶1],生成的标题化合物(72%)为黄色固体:熔点,230℃分解;1H NMR(CDCl3)δ9.24(br s,1H),8.78(d,J=1.3Hz,1H),8.09(dd, J=1.4和9.4Hz,1H),7.40(d, J=9.3Hz,1H),7.30(d, J=1.8Hz,1H),6.17-6.15(m,1H),4.16-4.13(m,2H),3.68(t, J=5.8Hz,2H),2.58-2.48(m,2H),1.50(s,9H);分析计算C15H21N3O4·0.1 H2O:C,62.63;H,6.19;N,12.17.实测值:C,62.71:N,6.09;N,11.81.
                   实施例18
5-二苄氨基-1H-吲哚
在室温下于氮气中搅拌下向5-氨基吲哚(3.00g,22.7mmol)和三乙胺(10.5ml,74.9mmol,3.3当量)的乙腈溶液(30ml)的混合物中滴加苄基溴(8.2ml,68.9mmol,3.0当量)。将生成的反应物在氮气中回流加热3小时,然后过滤,将滤液减压蒸发。将残渣做硅胶(约200g)柱层析,洗脱液为乙酸乙酯/己烷[梯度1∶9-1∶1],生成的标题化合物为米色固体:熔点,124.0-126.0℃;13C NMR(丙酮-d6)δ144.3,140.8,131.8,129.9,129.2,128.3,127.5,125.7,113.5,112.4,106.4,101.9,57.0;TLC[15%乙酸乙酯的己烷液]:Rf=0.3.
                     实施例19
5-硝基吲哚-3-N,N-二甲基乙醛酸酰胺
把5硝基吲哚(10.00g,61.7mmol)和苯邻二甲酰亚胺[4.00g,40%(w/w)]的无水***溶液(250ml)的混合物边搅拌边滴加入草酰氯(17.0ml,0.194mmol,3.1当量)。将生成的反应物在室温下氮气中搅拌72小时。然后将反应物用冰浴(0℃)冷却,在剧烈搅拌下小心地加入***(80ml)和二甲胺(80ml,在-78℃下冷凝)溶液。将生成的混合物在室温下强力搅拌1小时。然后经减压蒸发除去反应物中的***,将残渣分配在水(500ml)和二氯甲烷(500ml)之间。用浓盐酸调水层的pH为pH3。先移出二氯甲烷层,用二氯甲烷(3×500ml)提取水层。将所有二氯甲烷提取物合并,干燥(MgSO4),减压蒸发。固体残渣在用甲醇回流冷却后重结晶,产生的标题化合物(Rf=0.15 10%丙酮二氯甲烷液,5.74g,22.0mmol,36%)为淡黄色固体:熔点,248.0-249.0℃;IR(KBr)1755,1740,1730,1650,1620,1585,1530cm-11H NMR(DMSO-d6)δ12.9(br s,NH),8.97(d, J=2.3Hz,1H),8.43(s,1H),8.18(dd, J=2.3和9.0Hz,1H),7.74(d, J=9.0Hz,1H),3.02(s,3H),2.95(s,3H);13C NMR(DMSO-d6)δ166.6,143.2,140.4,140.2,124.5,118.9,117.2,114.2,113.6,36.8,33.6;LRMS(m/z,相对强度)261(24,M+),190(29),189(100),173(15),143(83),115(23).HRMS计算C12H11N3O4261.0750,实测值261.0746.分析计算C12H11N3O4:C,55.17;H,4.24;N,16.08.实测值:C,55.15;H,3.96;N,15.96.
                          实施例20
3-(2-二甲基氨乙基)-5-硝基吲哚
将5-硝基吲哚-3-N,N-二甲基乙醛酸酰胺(5.36g,20.52mmol)溶解在无水四氢呋喃(55ml)中,边搅拌边缓慢地滴加入甲硼烷的四氢呋喃溶液(1.0M,78.8mmol,3.8当量)。将生成的反应液在室温下氮气中搅拌16小时,然后小心地加入碳酸氢钠的饱和溶液(200ml),用***(3×150ml)提取生成的含水混合物。将醚提取物合并,干燥(MgSO4),减压蒸发,生成的3-(2-二甲基氨乙基)-5-硝基吲哚甲硼烷复合物(6.9g)为无定形的橙色固体:1H NMR(DMSO-d6)δ11.7(br m,NH),8.58(d, J=2.2Hz,1H),8.00(dd,J=2.3和9.0Hz,1H),7.52(d, J=8.8Hz,1H),7.49(br s,1H),3.23-3.17(m,2H),3.02-2.97(m, 2H),2.63(s,6H).将此固体物与氟化铯(6.9g)和碳酸钠(6.9g)一起放入150ml无水乙醇中。将生成的反应混合物在氮气中回流加热16小时,再用硅藻土(Celite)过滤,将滤液减压蒸发。将残留的油状物用硅胶(约450g)做色层分析,洗脱液为二氯甲烷/甲醇/氢氧化铵(8∶2∶0.1),产生的标题化合物(2.58g,11.06mmol,54%)为黄色固体:熔点,133.0-135.0℃;IR(KBr)1625,1575,1550,1520,1480,1470,1460,1445,1380,1370,1330cm-11H NMR(DMSO-d6)δ11.55(br m,NH),8.48(d, J=2.2Hz,1H),7.94(dd, J=2.3和9.0Hz,1H),7.47(d, J=9.0Hz,1H),7.40(br s,1H),2.88-2.83(m,2H),2.53-2.48(m,2H),2.19(s,6H);13C NMR(DMSO-d6)δ140.2,139.3,126.6,126.5,116.3,116.0,115.6,111.7,59.8,45.1,22.7;LRMS(m/z,相对强度)233(7,M+),189(7),188(8),143(10),129(23),115(14),59(36),58(100).HRMS计算C12H15N3O2 233.1166,实测值233.1155.分析计算C12H15N3O2:C,61.79;H,6.48;N,18.01.实测值:C,61.39;H,6.45;N,17.68.
                       实施例21
5-氨基-3-(2-二甲基氨乙基)吲哚
将3-(2-二甲基氨乙基)-5-硝基吲哚(1.85g,7.93mmol)和10%钯/炭[0.40g,20%(w/w)]在无水乙醇(30ml)中的混合物在氢气中(3个大气压)摇动6小时。将生成的混合物用硅藻土(Celite)过滤,以无水乙醇充分洗涤硅藻土泥,将滤液和洗涤液合并,减压蒸发,产生的标题化合物(1.60g,7.78mmol,99%)为清沏而稍暗的吸湿性油:
IR
(CHCl3)3480,1610,1585,1460,1335cm-11H NMR(CDCl3)δ8.10(br m, NH),7.12
(d, J=8.5Hz,1H),6.91(d, J=2.3Hz,1H),6.88(d, J=2.2Hz,1H),6.64(dd, J=2.2和
8.5Hz,1H),2.89-2.84(m,2H),2.64-2.58(m,2H),2.34(s,6H);13C NMR(CDCl3
139.1,131.2,128.3,122.2,113.1,112.9,111.7,103.8,60.3,45.4,23.7;LRMS(m/z,
相对强度)203(9,M+),158(2),145(6),83(66),58(100).HRMS计算
C12H17N3 203.1424,实测值203.1418.分析计算C12H17N3·1/2 H2O:C,67.89;H,
8.55;N,19.79.实测值;C,67 .71;H,8.60;N,19.41.
                     实施例22
合成N-(吲哚-5-基)-N′-苯甲酰硫脲的一般方法
将苯甲酰氯(0.68ml,5.90mmol,1.2当量)分次加入搅拌着的硫氰酸铵(0.45g,5.90mmol,1.2当量)的丙酮(10ml)溶液中,生成物在氮气中回流加热1小时。反应液冷却后加入适当的5-氨基吲哚(5.00mmol),将该反应物溶液在氮气中回流加热3小时。然后减压蒸发,将残余物放入饱和的碳酸氢钠中(10ml)。用乙酸乙酯(2×10ml)提取该水混合物,将提取物合并,干燥(Na2SO4),减压蒸发。将残余物做硅胶(约75g)柱层析,以二氯甲烷/甲醇/氢氧化铵液[9∶1∶0.1]洗脱,即得到所希望的化合物。
用上述方法合成了下列化合物:
A.N-(3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚-5-基)
-N′-苯甲酰硫脲
用(R)-5-氨基-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚。柱层析产生的标题化合物(46%)为黄色泡沫:
13C NMR
(CDCl3)δ178.8,167.0,135.0,133.6,131.7,129.5,129.1,127.6,127.5,123.4,119.2,
115.0,114.3,111.4,66.6,57.4,40.8,31.4,29.8,21.8;[α]25=+62°[c=2,CDCl3].
分析计算C22H24N4OS·0.4 CH2Cl2:C,63.08;H,5.86;N,13.14.实测值:C,62.76;
H,5.94;N,12.94.
B.N-(3-(2-二甲基氨乙基)-1H-吲哚-5-基)-N′-苯甲
酰硫脲
用(R)-5-氨基-3-(2-二甲基氨乙基)-1H-吲哚。色谱层析产生的标题化合物(22%)为黄色泡沫:
Rf=0.4 9∶1∶0.1[二氯甲烷/甲醇/氢氧化铵]:
                         /HRMS计算C20H22N4OS366.1517,
实测值366.1467.分析计算C20H22N4OS·0.2CH2Cl2:C,63.27;H,5.89;N,14.61.
实测值:C,63.53;H,5.83;N,14.61.
                     实施例23
合成N-(吲哚-5-基)硫脲的-般方法
将N-(吲哚-5-基)-N′-苯甲酰硫脲(5.5mol)的无水乙醇(40ml)溶液边搅拌边滴加氢氧化铵(3.00g)的水溶液(28ml)。将生成的反应混合物回流加热1小时。通过减压蒸发除去反应混合物中的乙醇,用浓盐酸和固体碳酸钠将剩余的水溶液的pH值调至pH10。用乙酸乙酯(3×50ml)提取此水溶液,将提取液合并,干燥(Na2SO4),减压蒸发。残余物或者就是所要求的化合物,或者经用二氯甲烷重结晶后产生出所要求的化合物。
按上述方法合成了下列化合物:
A.N-(3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚-5-基)
硫脲
提取残余物直接得到标题化合物(73%),为黄色固体:
Rf=0.15 10%三乙胺的丙酮溶液;1H NMR(CD3OD)δ7.29(d, J=8.8Hz,
1H),7.12(d, J=2.2Hz,1H),7.11(s,1H),6.78(dd, J=8.6和2.2Hz,1H),4.91(s,4H),
3.23-3.13(m,2H),2.75-2.40(m,3H),2.52(s,3H),1.94-1.57(m,4H).
B.N-(3-(2-二甲基氨乙基)-1H-吲哚-5-基)硫脲
将提取的残余物用二氯甲烷结晶后即产生题目化合物(28%),为米色的固体:熔点,190.0-191.0℃;
13C NMR(丙酮-d6)δ183.6,
136.0,128.9,124.4,120.2,116.4,115.0,112.7,61.1,45.6,24.1;HRMS计算
[C13H18N4S·H]+263.1333,实测值263.1291.
                  实施例24
合成5-(4-苄基-1,3-噻唑-2-基氨基)-1H-吲哚的一
般方法
将N-(吲哚-5-基)硫脲(1.00mmol)的无水乙醇(5ml)溶液边搅拌边加入1-苯基-3-氯-丙酮(0.27g,1.00mmol,1当量),将生成的反应液在氮气中回流加热3小时。然后加入10ml碳酸氢钠的饱和溶液,在室温下搅拌30分钟。减压蒸发除去反应液中的乙醇,用乙酸乙酯(2×10ml)提取。将提取液合并,干燥(Na2SO4),减压蒸发。用重结晶的方法或通过硅胶(约25g)柱层析再以9∶1∶0.1[二氯甲烷/甲醇/氢氧化铵]洗脱的办法将上述残余物纯化以得到所希望的化合物。
按上述方法制备了下列化合物:
A.5-(4-苄基-1,3-噻唑-2-基氨基)-3-(N-甲基吡咯
烷-2-基甲基)-1H-吲哚
柱层析产生的标题化合物(3%)为灰白色固体:
13C
NMR(丙酮-d6)δ167.0,153.1,140.7,134.4,134.0,129.7,128.9,126.7,124.3,124.0,
115.5,113.9,112.3,109.4,101.8,67.3,58.0,41.0,38.7,30.5,22.5;HRMS计算
C24H26N4S 402.1881,实测值402.1872.
B.5-(4-苄基-1,3-噻唑-2-基氨基)-3-(2-N,N-二
甲基氨乙基)-1H-吲哚
将提取残余物研磨产生的标题化合物(20%)为灰白色固体:熔点,170.5-172℃:
13C NMR(丙酮-d6)δ167.2,153.1,140.7,134.4,
134.1,129.8,128.9,128.8,126.7,123.9,115.7,114.3,112.3,109.4,101.8,611,45.6,
38.7,24.3;HRMS计算C22H24N4S 376.1724,实测值376.1724实测值376.1685.
分析计算C22H24N4S·0.4H2O:C,68.86;H,6.51;N,14.60.实测值:68.98;H,6.18;
N,14.44.
                   实施例25
5-氨基-3-[(2R,4R)-N-甲基-4-甲氧基吡咯烷-2-基
甲基]-1H-吲哚
将5-(2,5-二甲基-1H-吡咯基)-3-[(2R,4R)-N-甲基-4-甲氧基吡咯烷-2-基甲基]-1H-吲哚(2.20g,6.52mmol),盐酸羟胺(7.25g,104mmol,16当量)和三乙胺(7.28ml,52.2mmol,8当量)的异丙醇(22ml)溶液的混合物在氮气中回流加热8小时。将生成的反应液减压蒸发,将残余物分配在乙酸乙酯(50ml)和饱和的碳酸氢钠溶液(50ml)之间。先分出乙酸乙酯层,用二氯甲烷(3×50ml)提取水层。将所有的有机提取液合并,干燥(MgSO4),减压蒸发,生成的标题化合物(1.68g,100%)为灰白色无定形的固体:Rf=0.4,9∶1∶0.1[二氯甲烷/甲醇/氢氧化铵];1H NMR(CD3OD)δ7.14(d, J=8.5Hz,1H),6.99(s,1H),6.94(br s,1H),6.68(br d, J=8.5Hz,1H),4.90(s,3-NH),3.86-3.77(m,1H),3.24(s,3H),3.24-3.13(m,2H),2.93-2.80(m,1H),2.69(dd, J=13.7和9.7Hz,1H),2.51(s,3H),2.40-2.18(m,2H),1.73-1.63(m,1H);13C NMR(CD3OD)δ139.7,133.4,129.3,124.4,114.4,112.8,111.2,105.5,79.3,68.3,66.1,56.7,40.7,39.5,30.1.
                      实施例26
5-(2,5-二甲基-1H-吡咯基)-3-[(2R,4R)-N-甲基-
4-甲氧基吡咯烷-2-基甲基]-1H-吲哚
将3-[(2R,4R)-N-苄氧羰基吡咯烷-2-基羰基)-5-(2,5-二甲基-1H-吡咯基)-1H-吲哚(3.24g,6.87mmol)分批加到氢化铝锂(1.65g,43.5mmol,6.3当量)的无水四氢呋喃(80ml)溶液中,生成的反应物在氮气中回流加热24小时。然后依次小心地加入:水(1.65ml),氢氧化钠(2N,1.65ml),水(5ml)和乙酸乙酯(30ml)。将反应物在室温下搅拌12小时,然后过滤。将滤液减压蒸发,残余物做硅胶(约60g)柱层析,用12∶1∶0.1[二氯甲烷/甲醇/氢氧化铵]液洗脱,产生的标题化合物(2.20g,95%)为白色泡沫:Rf=0.5,9∶1∶0.1[二氯甲烷/甲醇/氢氧化铵];1H NMR(CDCl3)δ8.88(br s,NH),7.43(d, J=1.8Hz,1H),7.39(d, J=8.4Hz,1H),7.11(d, J=2.2Hz,1H),6.98(dd, J=8.4和1.9Hz,1H),5.94(s,2H),3.80-3.74(m,1H),3.30-3.21(m,2H),3.28(s,3H),2.73(dd, J=14.1和9.6Hz,1H),2.56-2.43(m,1H),2.45(s,3H),2.30(dd,J=10.9和5.6,1H),2.25-2.15(m,1H),2.06(s,6H),1.72-1.64(m,1H);13C NMR(CDCl3)δ135.5,130.7,129.4,128.5,127.8,127.0,123.9,122.1,118.4,113.7,111.5,105.0,78.5,66.0,62.5,56.4,40.6,39.2,29.7,13.2;FAB HRMS计算[C21H27N3OH]338.2234,实测值338.2247.
                       实施例27
3-[(2R,4R)-N-苄氧羰基吡咯烷-2-基羰基)-5-(2,5
-二甲基-1H-吡咯基)-1H-吲哚
将含有微量(0.5ml)N,N-二甲基甲酰胺的(2R,4R)-4-甲氧基脯氨酸[Krapcho.et al.,J.Med.Chem.,1148(1988)](5.22g,18.8mmol)的无水二氯甲述溶液(50ml)边搅拌边滴加2.44ml草酰氯(28.0mmol,1.5当量)。将生成的泡腾的溶液于氮气中在室温下搅拌2小时,然后将反应液减压蒸发,用己烷(2×20ml)彫镂,将残余的脯氨酸酰氯用苯(25ml)溶解。与此同时,将5-(2,5-二甲基-1H-吡咯基)-1H-吲哚(7.22g,38.0mmol,2.0当量)的苯溶液(30ml)边搅拌边加入乙基镁化溴溶液(3.0M/***,13.0ml,39mmol,2.0当量),将生成的泡腾溶液于氮气中在室温下搅拌30分钟,然后将其冷却至0℃。向这种冷却的(0℃)吲哚的镁盐溶液中快速加入脯氨酸酰氯的苯溶液,同时剧烈搅拌。将生成的反应物在0℃氮气中搅拌10分钟,然后加入80ml饱和的碳酸氢钠溶液。用乙酸乙酯(2×80ml)提取,把有机提取液合并,干燥(MgSO4),减压蒸发。加入80ml***搅拌过夜使残余的油状物结晶,生成的标题化合物(7.15g,81%)为白色固体:熔点,189.0-191.0℃:Rf=0.4乙酸乙酯/己烷[2∶1];FAB HRMS计算[C28H20N3O4H]472.2238.实测值472.2281。
                  实施例28
5-(2,5-二甲基-1H-吡咯基)-1H-吲哚
用Dean-Stark阱将5-氨基吲哚(1.32g,10.0mmol)、丙酮基丙酮(4.0ml,34mmol,3.4当量)和甲苯(25ml)的混合物在氮气中回流加热24小时。将反应物冷却,然后用硅胶(约200g)滤器过滤,再用10%***/己烷液洗涤滤器,产生的标题化合物(1.52g,72%)为灰白色的晶状固体:Rf=0.75***;13C NMR(CDCl3)δ135.0,131.4,129.5,128.1,125.6,122.4,120.3,111.3,105.0,103.0,13.2.分析计算C14H14N2;C,79.97;H,6.71;N,13.32.实测值:C,79.72;H,6.75;N,13.13.

Claims (12)

1.以下式(I)化合物或其可作药用的盐的制备方法
Figure C9211349100021
式中:Z是:
Figure C9211349100022
Figure C9211349100023
R1是:
Figure C9211349100024
Figure C9211349100025
X为O,NH,或S;A,B,D,E和F分别独立为C,N,O,或S;R2,R3,R4,R5和R6分别独立为氢,C1-6烷基,芳基,C1-3烷基-芳基,卤素,氰基,硝基,-NR7R8,-(CH2)mOR9,-SR9,-SO2R9,-SO2NR7R8,-NR7SO2R8,-NR7CO2R9,-NR7COR9,-CONR7R8,或-CO2R9;R2与R3,R3与R4,R4与R5和R5与R6中的一对可共同形成苯环或含有1或2个N,O或S杂原子的五元或六元的杂芳环;R7和R8分别独立地为氢,C1-7烷基,-(CH2)qR10,C1-3烷-芳基,芳基,或R7或R8共同形成一个四至六元的环;R9为氢,C1-6烷基,C1-3烷-芳基,芳基,或-(CH2)WR11;R10和R11分别独立地是-OH,OR12,-CO2R12,-CONHR12,或氰基;R12为氢,C1-6烷基,芳基,或C1-6烷-芳基;R13为氢;-OR14,或-NHCOR14;R14为C1-6烷基或C1-3烷-芳基;n为0,1或2;m为1,2或3;q为2、3或4;W为2、3或4;上述的芳基以及烷-芳基中的芳基部分独立地是苯基或被取代的苯基,其中所说的被取代的苯基是被1-3个C1-4烷基,卤素,羟基,氰基,羧酰氨基,硝基和C1-4烷氧基取代的苯基;虚线代表任意选择的双键,其条件是当Z是苯基,R2、R3、R4、R5和R6分别是氢而R1是:
Figure C9211349100031
式中R7和R13的定义如前所述时,X是S或NH该方法包括:
(a)其中制备Z为下式基团的式(I)化合物
Figure C9211349100032
式中A,B,D,E,F,R2,R3,R4,R5和R6的定义如前文所述,通过将下式II化合物
Figure C9211349100041
式中X和R1如前文限定,与下式的化合物反应来制备
Figure C9211349100042
其中LG为一合适的离去基团,而A,B,D,E,F,R2,R3,R4,R5和R6的定义如前文所述;
b)其中制备Z为下式基团的式(I)化合物
式中A,B,D,E,R2,R3,R4和R5的定义如前文所述,通过将下式II化合物
Figure C9211349100051
式中X和R1的定义如前文所述,与下式化合物反应来制备式中LG为一合适的离去基团,而A,B,D,E,R2,R3,R4和R5的定义如前文所述;
(c)其中制备R1为下式基团的式(I)化合物
Figure C9211349100053
式中R7和R13的定义如前文所述,通过将下式的化合物
式中Z,X和R13的定义如前文所述,与一烷化剂R7-G反应来制备,式中G为氯,溴,碘,-OSO2CH3,-OSO2Ph,-OSO2phCH3,或-OSO2CF3;R7的定义如前文所述;
(d)其中制备R1为下式基团的式(I)化合物
Figure C9211349100062
式中R7为-(CH2)qR10,而q为2,R10和R13的定义如前文所述,通过将下式的化合物
Figure C9211349100063
式中Z,X,和R13的定义如前文所述,与烷化剂CH2=CHR10反应来制备,其中R10的定义如前所述;以及如果有需要,可将式(I)化合物转化为它的可作药用的盐。
2.按权利要求1的方法,制备其中R1为下式基团的式(I)化合物或其可作药用的盐
Figure C9211349100071
Figure C9211349100072
式中R7,R9和R13的定义如权利要求1所述。
3.按权利要求2的方法,制备其中Z为下式基团的式(I)化合物或其可作药用的盐
Figure C9211349100073
Figure C9211349100074
式中A,D,E,R2,R3,R4和R5的定义如权利要求1所述:X为NH。
4.按权利要求3的方法,制备其中R1为下式基团的式(I)化合物或其可作药用的盐
Figure C9211349100075
式中R7和R13的定义如权利要求1所述。
5.按权利要求4的方法,制备其中R13为氢的式(I)化合物或其可作药用的盐。
6.按权利要求4的方法,制备其中Z为下式基团的式(I)化合物或其可作药用的盐式中A,D,E,R2,R3,R4和R5的定义如权利要求1所述:X为NH。
7.按权利要求2的方法,制备其中R1为下式基团的式(I)化合物或其可作药用的盐式中R7和R13的定义如权利要求1所述。
8.按权利要求7的方法,制备其中R13为-OR14,R14为-CH3的式(I)化合物或其可作药用的盐。
9.按权利要求7的方法,制备其中Z为下式基团的式(I)化合物或其可作药用的盐
Figure C9211349100091
式中A,D,E,R2,R3,R4和R5的定义如权利要求1所述;X为NH。
10.按权利要求3的方法,其中Z为下式基团的式(I)化合物或其可作药用的盐
Figure C9211349100092
式中R2为:NO2,CN,SO2CH3,SO2Ph,CONH2;X为NH。
11.按权利要求10的方法,制备其中R1为下式基团的式(I)化合物或其可作药用的盐式中R7和R13的定义如权利要求1所述。
12.按权利要求1的方法,所制备的化合物选自下列化合物或其可作药用的盐:
3-(2-二甲基氨乙基)-5-(3,5-二硝基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-三氟甲基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R,S)-3-(N-甲基吡咯烷-3-基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
5-(苯并噁唑-2-基氨基)-3-(2-二甲基氨乙基)-1H-吲哚;
(R)-3-(N-环丙基甲基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙烯基)吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-(2-丙烯基)吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-丙基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-丁基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-乙基吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-硝基吡啶-2-基氨基)-3-(N-戊基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-(2-甲氧基乙基)吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-(2-氰乙基)吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-(2-氰甲基)吡咯烷-2-基甲基)-5-(3-硝基吡啶-2-基氨基)-1H-吲哚;
5-(4-苄基-1,3-噻唑-2-基氨基)-3-(2-二甲基氨乙基)-1H-吲哚;
(R)-5-(3-苄硫基-1,2,4-噻二唑-5-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(嘧啶-2-基氨基)-1H-吲哚;
3-(2-二甲基氨乙基)-5-(3-甲基磺酰基吡啶-2-基氨基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(2-硝基苯氨基)-1H-吲哚;
(R)-5-(6-甲氧基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(4-甲基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(3-硝基-5-苯基吡啶-2-基氨基)-1H-吲哚;
(R)-5-(3-氰基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(6-异丙氧基-3-硝基吡啶-2-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-5-(4-氰基-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
(R)-3-(N-甲基吡咯烷-2-基甲基)-5-(4-三氟甲基-2-硝基苯氨基)-1H-吲哚;
(R)-5-(5,6-二氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;
5-(4-氰基-2-硝基苯氨基)-3-[(2R,4R)-N-甲基-4-甲氧基吡咯烷-2-基甲基]-1H-吲哚;
5-(4-苄基-1,3-噻唑-2-基氨基)-3-(2-二甲基氨乙基)-1H-吲哚;
(R)-5-(3-苄硫基-1,2,4-噻二唑-5-基氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚;和
(R)-5-(5-氯-2-硝基苯氨基)-3-(N-甲基吡咯烷-2-基甲基)-1H-吲哚。
CN92113491A 1991-11-25 1992-11-24 吲哚衍生物的制备方法 Expired - Fee Related CN1045294C (zh)

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