CN103420997A - 吡咯酮-胺甲基-噁唑烷酮型化合物及其制法和用途 - Google Patents

吡咯酮-胺甲基-噁唑烷酮型化合物及其制法和用途 Download PDF

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CN103420997A
CN103420997A CN2013104053287A CN201310405328A CN103420997A CN 103420997 A CN103420997 A CN 103420997A CN 2013104053287 A CN2013104053287 A CN 2013104053287A CN 201310405328 A CN201310405328 A CN 201310405328A CN 103420997 A CN103420997 A CN 103420997A
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pyrrolidone
amine methyl
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肖竹平
邓瑞成
李舒婷
张蕾
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Huashi Pharmaceutical Nanjing Co ltd
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Jishou University
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Abstract

一类胺甲基连接的吡咯酮-噁唑烷酮型化合物,它们具有如下结构通式:

Description

吡咯酮-胺甲基-噁唑烷酮型化合物及其制法和用途
技术领域
本发明涉及一类胺甲基连接的吡咯酮-噁唑烷酮型化合物的制法以及它们在制备抗菌药物中的应用。
技术背景
耐药细菌的迅速蔓延,使细菌性感染疾病的治疗越来越难。临床研究表明细菌抗药性对几乎所有抗菌药物都构成了威胁,20世纪80年代后期至90年代,革兰氏阴性杆菌如肺炎克雷伯菌和大肠埃希菌产生的超广谱β-内酰胺酶(ESBLs)和诱导性β-内酰胺酶(AmpC酶)可水解包括氧亚氨基类(头抱他啶、头抱曲松、头抱噻肟、氨曲南等)在内的大多数β-内酰胺类抗菌药。多数产ESBLs的菌株为多重耐药株,对氟喹诺酮类药物也具有耐药性。据相关报道氟喹诺酮类药物对肠球菌属、克雷伯氏菌属、大肠埃氏菌、肺炎链球菌等均出现了不同程度的耐药性,同时不同品种间有很高程度的交叉耐药性。
靶点突变是细菌对某种药物产生耐药性的主要途径,单靶点突变的几率是10-7-10-9之间,这一发现表明,若某一药物能作用于多个靶点,那么细菌需用同时在这几个靶点发生突变,才有可能通过靶点突变的途径对这一药物产生耐药性,然而几个靶点同时突变的几率几乎为零,因此多靶点药物是对抗耐药菌有力的武器。基于这一思路,本发明利用骨架迁越原理与计算机辅助药物设计的方法,设计并合成出了能同时作用于酪氨酰t-RNA合成酶(TyrRS)和S30核糖体亚基的吡咯酮-噁唑烷酮型多靶点抗菌药物,它们从不同的途径阻断细菌生命活动中最关键的过程——蛋白质的合成,目前尚无以TyrRS和S30核糖体亚基为靶点的双靶点抗菌化合物出现。实验表明,这些结构新颖的抗菌化合物不仅抗耐药菌效果突出而且安全性好。
发明内容
本发明的技术方案如下:
一类胺甲基连接的吡咯酮-噁唑烷酮型化合物,其特征是它们具有如下结构通式:
式I中:
则R3=H、F、Cl、Br、NH2、NHMe、NHEt、NMe2、NEt2、OH、OMe或OEt。
一种制备上述胺甲基连接的吡咯酮-噁唑烷酮型化合物的方法,它包括下列步骤:
步骤1:将2-R1乙酸加入到二氯甲烷和三乙胺中,室温下,0.5-1.5h后加入TBTU和甘氨酸甲酯盐酸盐反应24h,物质的量之比:2-R1乙酸:二氯甲烷:三乙胺:TBTU:甘氨酸甲酯盐酸盐=1:(4-6):(4-6):(2-4):(1-2),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为16:1-2:1,得到2-(2-R1乙酰氨基)乙酸甲酯化合物(II);
Figure BDA0000378834940000022
步骤2:在室温下将Na加入到无水CH3OH中,然后滴入2-(2-R1乙酰氨基)乙酸甲酯化合物(II),滴加完毕于室温下反应25h,物质的量之比为:II:Na=l:(2-4),反应完毕,倒入冰水中,用***萃取,水层酸化,析出沉淀,抽滤,得白色到淡黄色固体4-羟基-3-R1-2(5H)-吡咯酮(III);
步骤3:将4-羟基-3-R1-2(5H)-吡咯酮(III),1,2-二溴乙烷和三乙胺溶于无水丙酮中,回流4-10h,物质量之比为:III:1,2-二溴乙烷:三乙胺=1:(5-8):(1-3),反应完毕后,加水,乙酸乙酯萃取,有机层分别用饱和NaHCO3溶液与饱和食盐水洗涤。无水MgSO4干燥,浓缩得产物4-(2-溴乙氧基)-3-R1-2(5H)-吡咯酮(IV);
Figure BDA0000378834940000024
步骤4:将3-R3-4-R2苯甲酸加入到含三乙胺的甲氧基甲酰氯中,室温下反应1-2h后,加入适量叠氮化钠,继续反应1h,加入(S)-2-叠氮甲基环氧乙烷、溴化锂、三丁基氧磷,物质的量之比:3-R3-4-R2苯甲酸:甲氧基甲酰氯:三乙胺:叠氮化钠:(S)-2-叠氮甲基环氧乙烷:溴化锂:三丁基氧磷=1:(1-2):(4-6):(1-2):(1-2):(0.5-1.5):(1-3),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为14:1-2:1,得到(R)-N-(3-R3-4-R2苯基)-5-叠氮甲基-2-噁唑烷酮(V);
Figure BDA0000378834940000025
步骤5:向含有二氧化铂的(R)-N-(3-R3-4-R2苯基)-5-叠氮甲基-2-噁唑烷酮(V)中通入氢气,室温下0.5-1h后,加入4-(2-溴乙氧基)-3-R1-2(5H)-吡咯酮(IV)、4-N,N-二甲胺基吡啶(DMAP)、KI和溶剂DMSO,70℃反应48-72h,物质量之比:V:二氧化铂:IV:4-N,N-二甲胺基吡啶:KI=1:(0.1-0.2):(0.5-1.5):(3-5):(0.1-0.3),反应完毕后,加水,析出固体,经柱层析纯化,得产物胺甲基连接的吡咯酮-噁唑烷酮型化合物(I),洗脱剂为含0.3%醋酸的氯仿-甲醇,氯仿与甲醇的体积比为15:1-10:1;其中所述的R1、R2和R3的定义与上述的定义相同。
Figure BDA0000378834940000031
本发明所述的胺甲基连接的吡咯酮-噁唑烷酮型化合物对多种病菌有较好的抑制和杀灭作用,其中有些比阳性对照青霉素G、卡拉霉素和酮康唑有更高抑菌活性。因此可以用于制备抗感染药物。
具体实施方式
通过以下实施例进一步详细说明本发明,但应注意本发明的范围并不受这些实施例的任何限制。
实施例1:(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(77)的制备
步骤1:将1.96g(10mmo1)3,4-二甲氧基苯乙酸,在搅拌下加入20mL二氯甲烷和3mL三乙胺中,1.5h后加入3.20g TBTU(22mmol),再过40min后补加0.2mL三乙胺,接着加1.25g(10mmol)甘氨酸甲酯盐酸盐,反应24h后,加30mL水,用100mL乙酸乙酯分三次萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,硅胶(200-300目)柱层析纯化,洗脱剂的体积比为:石油醚:AcOEt=4:1,得淡黄色油状物3,4-二甲氧基苯乙酰氨基乙酸甲酯,产率82.5%。
步骤2:取一小块金属钠,放到制备好的无水甲醇溶液中,待金属钠反应完成后,将已干燥好的2.67g(10mmol)3,4-二甲氧基苯乙酰氨基乙酸甲酯加入其中,室温下,搅拌反应约24h,浓缩,加入30mL冰水,用40mL***分两次萃取,水层酸化,析出沉淀,浓缩,抽滤,洗涤,干燥,得淡黄色固体3-(3,4-二甲氧苯基)-4-羟基-2(5H)-吡咯酮,产率:68.5%,熔点:179-181℃。
步骤3:将以干燥好的3-(3,4-二甲氧苯基)-4-羟基-2(5H)-吡咯酮2.35mg(10mmol)加入到100mL烧瓶中,分别再加入25.0mL1,2-二溴乙烷,35.6mL新制备的无水丙酮,0.65mL三乙胺,在80℃油浴锅中反应约6.5h后,加水,乙酸乙酯萃取,有机层分别用饱和NaHCO3溶液与饱和食盐水洗涤。无水MgSO4干燥,浓缩得产物3-(3,4-二甲氧基苯基)-4-溴乙氧基-2(5H)-吡咯酮,产率:52.4%,熔点:194-196℃。
步骤4:将1.64g(10mmol)联苯甲酸及1.36g(12mmol)甲氧基甲酰氯加入到7mL(50mmol)三乙胺中,室温下反应1.5h后,加入0.78g(12mmol)叠氮化钠,继续反应1h,加入1.18g(12mmol)(S)-2-叠氮甲基环氧乙烷、0.7g(8mmol)溴化锂、4.36g(20mmol)三丁基氧磷,反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE,石油醚与AcOEt的体积比为5:1,得(R)-5-(叠氮甲基)-3-(联苯-4-基)噁唑烷-2-酮,产率为65.3%,熔点:228-230℃;
步骤5:向含有0.45g(2mmol)二氧化铂及2.60g(10mmol)(R)-5-(叠氮甲基)-3-(联苯-4-基)噁唑烷-2-酮的混合物中通入足量氢气,室温下1h后,加入1.14g(15mmol)甲基甲酰氯以及0.81g(8mmol)三乙胺,待反应完毕后,用乙酸乙酯萃取,依次用饱和碳酸氢钠溶液、饱和食盐水溶液洗涤,经柱层析纯化,得产物得到(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(77),洗脱剂为含0.3%醋酸的氯仿-甲醇,氯仿与甲醇的体积比为8:1,产率55.7%,熔点:247-249℃。
按实施例1相似的方法,用不同的取代形式的恶唑烷酮为原料,合成了表1所列的多靶点的恶唑烷酮-吡咯酮系列化合物1~80。
表1通式I中胺甲基连接的吡咯酮-噁唑烷酮型化合物各R基团
Figure BDA0000378834940000041
Figure BDA0000378834940000051
Figure BDA0000378834940000061
Figure BDA0000378834940000071
Figure BDA0000378834940000081
Figure BDA0000378834940000091
注:初始原料均购于aldrich公司
实施例2:TyrRS的提取以及化合物对TyrRS活性的测定
将金黄色葡萄球菌的TyrRS在大肠杆菌内表达,用葡聚糖凝胶色谱进行纯化。通过氨酰化反应来测定TyrRS的活性。酶反应混合物有如下组分构成:100mM TrisHCl pH7.9,50mM KCl,16mMMgCl2,5mM ATP,3mM二硫苏糖醇,4mg/mL大肠杆菌MRE600tRNA以及10μM[3H]酪氨酸(活度为1.48-2.22TBq/mmol)。将TyrRS(0.2nM)和不同浓度的受试物在室温下混合培养10分钟,然后加入等量的预先加热至37℃上述酶反应混合物,共培养5min后,加入等体积的7%冰三氯乙酸溶液终止反应,用96孔密理博滤膜板过滤,滤液用闪烁计数器进行检测,每个样品重复4次。以没有加入抑制剂的作为对照。化合物的IC50是指酶活性减低50%时受试化合物的浓度,结果见表2。
实施例3:核糖体合成蛋白质的活性
取对数生长期的大肠杆菌菌液,离心分离,在3℃下,细胞用5mL缓冲溶液洗涤两次,缓冲溶液的组成如下:0.01M Tris(pH7.8),0.017M醋酸镁和0.06M氯化钾。将所得细胞于-70℃下冻存,解冻后,与两倍于细胞湿重量的氧化铝一起研磨15min,得S30核糖体粗提物。将S30核糖体粗提物溶解于0.25mL0.017M的醋酸镁缓冲液中,加入一定浓度的被测化合物,在室温下共培养15min,然后向该体系中加入引物聚尿苷酸、4×10-9mol的[14C]苯丙氨酸、5×10-9mol的苯丙氨酸和5×10-9mol的其他的必须氨基酸,继续培养15min。在3℃下加入1mL10%的三氯乙酸溶液沉淀所合成的蛋白,过滤,然后用2.5mL5%的三氯乙酸洗涤。所得蛋白质分散于甲苯中,用闪烁计数器测定编入蛋白质中[14C]苯丙氨酸的量,每个样品重复4次。以不加药物的为对照,计算蛋白质合成的抑制率,IC50为抑制核糖体合成蛋白质活性的50%时,对应化合物的浓度(μg/mL),结果见表2。
实施例4:化合物的抗菌活性
将细菌悬浮在MH培养基中,分散浓度大约为105cfu·mL-1,将菌液加到96孔板上(每孔加菌液100μL),以培养基为空白对照,以DMSO代替受试物作为阴性对照,***以青霉素G为阳性对照,革兰氏阴性细菌以卡那霉素为阳性对照,真菌以酮康唑为阳性对照。将受试物溶于DMSO中分别配成1600、800、400、200、100、50μg·mL-1溶液(对于MIC50小于5μg·mL-1的,进行一步实验时,配制的浓度梯度为100、50、25、12.5、6.25μg·mL-1),以每孔11μL的量加入到96孔板上,每个浓度梯度做四个平行实验。将96孔板放入37℃的培养箱中培养24h(真菌在28℃的培养48h),然后每孔加入25μL每mL含4mgMTT的PBS,再在同样条件下培养4h,每孔加入100μLSDS裂解液(95mL三蒸水+10gSDS+5mL异丙醇+0.1mL浓盐酸)后培养12h。用酶标仪于570nm下测定OD值,百分抑制率按下式计算:
Figure BDA0000378834940000101
活性的高低以半抑制率MIC50来表示,MIC50越小,此化合物的活性越高,结果见表2。
表2胺甲基连接的吡咯酮-噁唑烷酮型化合物的TyrRS和核糖体介导的蛋白质合成抑制活性(IC50)以及抗菌作用(MIC50
Figure BDA0000378834940000102
Figure BDA0000378834940000121
结果表明,化合物3、9、26、32、49、52、65、74对所测试的菌均具有显著的抑制作用。3、7、9、26、32、41、49、52、58、65、71、74对表皮葡萄球菌表现出优良的抗菌活性,3、9、26、32、39、49、52、56、62、65、74、76对肺炎克雷伯菌表现优良的抗菌活性,它们的抗菌活性分别超过了卡拉霉素和青霉素G;3、9、16、26、32、49、52、65、74对新型隐球菌表现优良的抗菌活性,抗真菌活性超过了阳性对照酮康唑。化合物3、9、26、32、49、52、65、74不仅有较好的抗菌活性而且对核糖体介导的蛋白质合成和TyrRS均起到了有效的抑制作用,证明是多靶点抗菌化合物。
本发明的上述实施例表明:在合成的胺甲基连接的吡咯酮-噁唑烷酮型化合物中,一部分的抗菌活性高于阳性对照物青霉素G,卡拉霉素或酮康唑。对大鼠的急毒实验表明,化合物3、26、32、49、65、74的剂量达到5g/kg(此剂量为药典规定的无毒剂量)时,没有发现大鼠有中毒迹象,因此在正常剂量下,它们作为药物应用是安全的。
化合物1~84的熔点、质谱、红外及氢谱数据
(S)-5-(N-(3-苯基-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(1)
Mp231-233℃;EIMS m/z:469[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.23(s,1H),7.87(m,2H),7.77(m,2H),7.51-7.53(m,4H),7.39-7.42(m,3H),7.33(m,1H),7.17(m,2H),4.83(m,1H),4.24(t,2H),3.65(s,2H),3.35(d,2H),2.87(t,2H),2.76(d,2H),2.05(s,1H)。
(S)-5-(N-(3-苯基-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(2):
Mp231-233℃;EIMS m/z:435[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.39(m,2H),8.22(s,1H),7.91(m,2H),7.34-7.40(m,3H),7.17(m,2H),4.83(m,1H),4.26(t,2H),3.62(s,2H),3.33(d,2H),2.88-2.93(m,4H),2.51(s,3H),2.03(s,1H)。
(S)-5-(N-(3-苯基-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(3):
Mp232-234℃;EIMS m/z:496[M+];IR(KBr)cm﹣1:1686(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.58(m,1H),7.34-7.41(m,3H),7.18(m,2H),6.89(m,1H),6.71(m,1H),4.81(m,1H),4.24(t,2H),3.62-3.66(m,6H),3.23(m,4H),3.07(d,2H),2.89-2.94(m,4H),2.04(s,1H)。
(S)-5-(N-(3-苯基-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(4):
Mp239-241℃;EIMS m/z:553[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.23(s,1H),7.59(m,1H),7.33-7.40(m,3H),7.19(m,2H),6.88(m,1H),6.74(m,1H),4.83(m,1H),4.45(s,2H),4.24(t,2H),3.58-3.66(m,7H),3.33-3.37(m,6H),2.88-2.96(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(2-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(5)
Mp258-260℃;EIMS m/z:547[M+];IR(KBr)cm﹣1:1681(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.89(m,2H),7.78(m,2H),7.51-7.55(m,5H),7.41(m,1H),7.34(m,1H),7.27(m,1H),7.22(m,1H),4.82(m,1H),4.25(t,2H),3.64(s,2H),3.33(d,2H),2.89(t,2H),2.78(d,2H),2.04(s,1H)。
(S)-5-(N-(3-(2-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(6):
Mp252-254℃;EIMS m/z:513[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.28(m,2H),8.21(s,1H),7.93(m,2H),7.54(m,1H),7.35(m,1H),7.22-7.28(m,2H),4.83(m,1H),4.24(t,2H),3.62(s,2H),3.33(d,2H),2.93(t,2H),2.74(m,2H),2.51(s,3H),2.01(s,1H)。
(S)-5-(N-(3-(2-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(7):
Mp254-256℃;EIMS m/z:574[M+];IR(KBr)cm﹣1:1684(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.54-7.58(m,2H),7.36(m,1H),7.21-7.26(m,2H),6.88(m,1H),6.71(m,1H),4.82(m,1H),4.26(t,2H),3.62-3.66(m,6H),3.33(d,2H),3.17(m,4H),2.92-2.95(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(2-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(8):
Mp259-261℃;EIMS m/z:631[M+];IR(KBr)cm﹣1:1681(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.54-7.59(m,2H),7.35(m,1H),7.19-7.26(m,2H),6.87(m,1H),6.73(m,1H),4.84(m,1H),4.43(s,2H),4.23(t,2H),3.57-3.64(m,7H),3.33-3.38(m,6H),2.88-2.96(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(2-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(9):
Mp254-256℃;EIMS m/z:503[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.23(s,1H),7.87(m,2H),7.79(m,2H),7.51-7.53(m,4H),7.45(m,1H),7.41(m,1H),7.32(m,1H),7.27-7.28(m,2H),4.82(m,1H),4.23(t,2H),3.63(s,2H),3.32(d,2H),2.88(t,2H),2.79(d,2H),2.05(s,1H)。
(S)-5-(N-(3-(2-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(10):
Mp243-245℃;EIMS m/z:469[M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.23(s,1H),7.93(m,2H),7.44(m,1H),7.27-7.35(m,3H),4.83(m,1H),4.24(t,2H),3.62(s,2H),3.34(d,2H),2.91-2.94(m,4H),2.52(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(2-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(11):
Mp251-253℃;EIMS m/z:530[M+];IR(KBr)cm﹣1:1682(C=O),3560(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.58(m,1H),7.46(m,1H),7.26-7.33(m,3H),6.87(m,1H),6.73(m,1H),4.82(m,1H),4.24(t,2H),3.61-3.65(m,6H),3.33(d,2H),3.17(m,4H),2.92-2.95(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(2-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(12):
Mp253-255℃;EIMS m/z:587[M+];IR(KBr)cm﹣1:1684(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.22(s,1H),7.59(m,1H),7.45(m,1H),7.26-7.33(m,3H),6.88(m,1H),6.71(m,1H),4.80(m,1H),4.43(s,2H),4.24(t,2H),3.57-3.65(m,7H),3.33-3.37(m,6H),2.89-2.95(m,4H),2.01(s,1H)。
(S)-5-(N-(3-(2-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(13):
Mp252-254℃;EIMS m/z:487[M+];IR(KBr)cm﹣1:1682(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.87(m,2H),7.77(m,2H),7.61(m,1H),7.51-7.52(m,4H),7.41(m,1H),7.35(m,1H),7.17-7.19(m,2H),4.83(m,1H),4.24(t,2H),3.65(s,2H),3.34(d,2H),2.89(t,2H),2.78(d,2H),2.02(s,1H)。
(S)-5-(N-(3-(2-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(14):
Mp241-243℃;EIMS m/z:453[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.38(m,2H),8.22(s,1H),7.90(m,2H),7.64(m,1H),7.37(m,1H),7.16-7.21(m,2H),4.82(m,1H),4.25(t,2H),3.61(s,2H),3.32(d,2H),2.91-2.95(m,4H),2.51(s,3H),2.03(s,1H)。
(S)-5-(N-(3-(2-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(15):
Mp247-249℃;EIMS m/z:514[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58-7.64(m,2H),7.36(m,1H),7.16-7.21(m,2H),6.89(m,1H),6.71(m,1H),4.81(m,1H),4.23(t,2H),3.62-3.66(m,6H),3.35(d,2H),3.19(m,4H),2.92-2.96(m,4H),2.01(s,1H)。
(S)-5-(N-(3-(2-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(16):
Mp251-253℃;EIMS m/z:571[M+];IR(KBr)cm﹣1:1682(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.23(s,1H),7.57-7.64(m,2H),7.35(m,1H),7.16-7.21(m,2H),6.88(m,1H),6.70(m,1H),4.84(m,1H),4.44(s,2H),4.23(t,2H),3.56-3.65(m,7H),3.34-3.38(m,6H),2.88-2.94(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(2-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(17):
Mp253-255℃;EIMS m/z:499[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.87(m,2H),7.78(m,2H),7.51-7.53(m,4H),7.41(m,1H),7.28(m,1H),7.21(m,1H),6.94-6.96(m,2H),4.82(m,1H),4.25(t,2H),3.83(s,3H),3.62(s,2H),3.32(d,2H),2.87(t,2H),2.79(d,2H),2.04(s,1H)。
(S)-5-(N-(3-(2-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(18):
Mp244-246℃;EIMS m/z:465[M+];IR(KBr)cm﹣1:1684(C=O),3566(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.21(s,1H),7.92(m,2H),7.21-7.27(m,2H),6.94-6.97(m,2H),4.85(m,1H),4.25(t,2H),3.84(s,3H),3.63(s,2H),3.31(d,2H),2.90-2.94(m,4H),2.53(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(2-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(19):
Mp245-247℃;EIMS m/z:526[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.58(m,1H),7.21-7.26(m,2H),6.89-6.96(m,3H),6.71(m,1H),4.84(m,1H),4.24(t,2H),3.62-3.65(m,6H),3.85(s,3H),3.35(d,2H),3.17(m,4H),2.91-2.95(m,4H),2.01(s,1H)。
(S)-5-(N-(3-(2-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(20):
Mp251-253℃;EIMS m/z:583[M+];IR(KBr)cm﹣1:1681(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.57(m,1H),7.22-7.27(m,2H),6.88-6.95(m,3H),6.72(m,1H),4.83(m,1H),4.43(s,2H),4.25(t,2H),3.86(s,3H),3.57-3.65(m,7H),3.34-3.37(m,6H),2.88-2.95(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(3-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(21):
Mp254-256℃;EIMS m/z:503[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.88(m,2H),7.76(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.38(m,1H),7.34(m,1H),7.31(m,1H),7.06(m,1H),4.83(m,1H),4.24(t,2H),3.63(s,2H),3.34(d,2H),2.87(t,2H),2.81(d,2H),2.03(s,1H)。
(S)-5-(N-(3-(3-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(22):
Mp244-246℃;EIMS m/z:469[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.39(m,2H),8.22(s,1H),7.90(m,2H),7.31-7.38(m,3H),7.07(m,1H),4.83(m,1H),4.25(t,2H),3.63(s,2H),3.31(d,2H),2.91-2.94(m,4H),2.52(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(3-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(23):
Mp246-248℃;EIMS m/z:530[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.59(m,1H),7.31-7.38(m,3H),7.03(m,1H),6.89(m,1H),6.71(m,1H),4.83(m,1H),4.26(t,2H),3.63-3.65(m,6H),3.34(d,2H),3.18(m,4H),2.91-2.96(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(3-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(24):
Mp252-254℃;EIMS m/z:587[M+];IR(KBr)cm﹣1:1684(C=O),3566(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.58(m,1H),7.32-7.37(m,3H),7.03(m,1H),6.89(m,1H),6.73(m,1H),4.84(m,1H),4.41(s,2H),4.23(t,2H),3.58-3.65(m,7H),3.34-3.37(m,6H),2.89-2.94(m,4H),2.05(s,1H)。
(S)-5-(N-(3-(3-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(25):
Mp250-252℃;EIMS m/z:487[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.88(m,2H),7.77(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.28(m,1H),7.14(m,1H),6.94-6.96(m,2H),4.83(m,1H),4.25(t,2H),3.64(s,2H),3.35(d,2H),2.89(t,2H),2.79(d,2H),2.04(s,1H)。
(S)-5-(N-(3-(3-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(26):
Mp243-245℃;EIMS m/z:453[M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.21(s,1H),7.91(m,2H),7.26(m,1H),7.13(m,1H),6.93-6.97(m,2H),4.81(m,1H),4.27(t,2H),3.61(s,2H),3.31(d,2H),2.91-2.96(m,4H),2.51(s,3H),2.01(s,1H)。
(S)-5-(N-(3-(3-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(27):
Mp243-245℃;EIMS m/z:514[M+];IR(KBr)cm﹣1:1681(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.59(m,1H),7.27(m,1H),7.11(m,1H),6.89-6.97(m,3H),6.73(m,1H),4.80(m,1H),4.25(t,2H),3.61-3.66(m,6H),3.32(d,2H),3.15(m,4H),2.91-2.95(m,4H),2.05(s,1H)。
(S)-5-(N-(3-(3-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(28):
Mp251-253℃;EIMS m/z:571[M+];IR(KBr)cm﹣1:1681(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.59(m,1H),7.27(m,1H),7.13(m,1H),6.89-6.97(m,3H),6.71(m,1H),4.81(m,1H),4.45(s,2H),4.25(t,2H),3.57-3.65(m,7H),3.33-3.37(m,6H),2.88-2.95(m,4H),2.01(s,1H)。
(S)-5-(N-(3-(3-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(29):
Mp257-259℃;EIMS m/z:547[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.87(m,2H),7.76(m,2H),7.58(m,1H),7.50-7.52(m,4H),7.47(m,1H),7.41(m,1H),7.29(m,1H),7.11(m,1H),4.83(m,1H),4.25(t,2H),3.62(s,2H),3.35(d,2H),2.89(t,2H),2.79(d,2H),2.03(s,1H)。
(S)-5-(N-(3-(3-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(30):
Mp246-248℃;EIMS m/z:513[M+];IR(KBr)cm﹣1:1681(C=O),3564(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.23(s,1H),7.92(m,2H),7.56(m,1H),7.49(m,1H),7.23(m,1H),7.12(m,1H),4.83(m,1H),4.25(t,2H),3.63(s,2H),3.32(d,2H),2.91-2.95(m,4H),2.52(s,3H),2.03(s,1H)。
(S)-5-(N-(3-(3-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(31):
Mp248-250℃;EIMS m/z:574[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.56-7.59(m,2H),7.47(m,1H),7.32(m,1H),7.11(m,1H),6.88(m,1H),6.72(m,1H),4.81(m,1H),4.26(t,2H),3.61-3.65(m,6H),3.34(d,2H),3.17(m,4H),2.91-2.94(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(3-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(32):
Mp263-265℃;EIMS m/z:631[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.55-7.59(m,2H),7.47(m,1H),7.27(m,1H),7.12(m,1H),6.87(m,1H),6.71(m,1H),4.83(m,1H),4.44(s,2H),4.24(t,2H),3.58-3.65(m,7H),3.32-3.36(m,6H),2.89-2.95(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(3-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(33):
Mp252-254℃;EIMS m/z:484[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.87(m,2H),7.77(m,2H),7.50-7.52(m,4H),7.42(m,1H),7.16(m,1H),6.51-6.53(m,2H),6.44(m,1H),6.28(s,2H),4.82(m,1H),4.24(t,2H),3.63(s,2H),3.33(d,2H),2.88(t,2H),2.79(d,2H),2.06(s,1H)。
(S)-5-(N-(3-(3-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(34):
Mp241-243℃;EIMS m/z:450[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:9.36(m,2H),8.21(s,1H),7.91(m,2H),7.16(m,1H),6.64(m,1H),6.53(m,1H),6.42(m,1H),6.26(s,2H),4.82(m,1H),4.26(t,2H),3.62(s,2H),3.33(d,2H),2.90-2.95(m,4H),2.51(s,3H),2.04(s,1H)。
(S)-5-(N-(3-(3-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(35):
Mp242-244℃;EIMS m/z:511[M+];IR(KBr)cm﹣1:1681(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.56(m,1H),7.17(m,1H),6.89(m,1H),6.72(m,1H),6.51-6.54(m,2H),6.43(m,1H),6.27(s,2H),4.82(m,1H),4.24(t,2H),3.62-3.66(m,6H),3.35(d,2H),3.18(m,4H),2.91-2.96(m,4H),2.02(s,1H)。
(S)-5-(N-(3-(3-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(36):
Mp256-258℃;EIMS m/z:568[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.59(m,1H),7.16(m,1H),6.89(m,1H),6.72(m,1H),6.52-6.54(m,2H),6.42(m,1H),6.25(s,2H),4.81(m,1H),4.43(s,2H),4.25(t,2H),3.57-3.65(m,7H),3.33-3.35(m,6H),2.89-2.95(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(4-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(37):
Mp252-254℃;EIMS m/z:487[M+];IR(KBr)cm﹣1:1682(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.88(m,2H),7.78(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.36(m,2H),7.19(m,2H),4.82(m,1H),4.23(t,2H),3.61(s,2H),3.31(d,2H),2.89(t,2H),2.79(d,2H),2.02(s,1H)。
(S)-5-(N-(3-(4-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(38):
Mp242-244℃;EIMS m/z:453[M+];IR(KBr)cm﹣1:1682(C=O),3563(NH);1H NMR(DMSO-d6)δppm:9.40(m,2H),8.23(s,1H),7.93(m,2H),7.36(m,2H),7.18(m,2H),4.83(m,1H),4.25(t,2H),3.64(s,2H),3.34(d,2H),2.91-2.96(m,4H),2.52(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(4-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(39):
Mp243-245℃;EIMS m/z:514[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.57(m,1H),7.37(m,2H),7.19(m,2H),6.88(m,1H),6.72(m,1H),4.85(m,1H),4.25(t,2H),3.61-3.66(m,6H),3.33(d,2H),3.17(m,4H),2.91-2.95(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(4-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(40):
Mp249-251℃;EIMS m/z:571[M+];IR(KBr)cm﹣1:1681(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.56(m,1H),7.35(m,2H),7.18(m,2H),6.87(m,1H),6.72(m,1H),4.84(m,1H),4.43(s,2H),4.25(t,2H),3.57-3.65(m,7H),3.33-3.36(m,6H),2.91-2.96(m,4H),2.05(s,1H)。
(S)-5-(N-(3-(4-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(41):
Mp254-256℃;EIMS m/z:503[M+];IR(KBr)cm﹣1:1683(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.87(m,2H),7.78(m,2H),7.51-7.53(m,4H),7.44(m,2H),7.41(m,1H),7.31(m,2H),4.81(m,1H),4.23(t,2H),3.62(s,2H),3.33(d,2H),2.89(t,2H),2.79(d,2H),2.03(s,1H)。
(S)-5-(N-(3-(4-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(42):
Mp243-245℃;EIMS m/z:469[M+];IR(KBr)cm﹣1:1684(C=O),3561(NH);1H NMR(DMSO-d6)δppm:9.36(m,1H),8.21(s,1H),7.91(m,2H),7.46(m,2H),7.31(m,2H),4.82(m,1H),4.24(t,2H),3.62(s,2H),3.33(d,2H),2.91-2.96(m,4H),2.51(s,3H),2.05(s,1H)。
(S)-5-(N-(3-(4-氟苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(43):
Mp244-246℃;EIMS m/z:530[M+];IR(KBr)cm﹣1:1684(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.58(m,1H),7.47(m,2H),7.32(m,2H),6.88(m,1H),6.71(m,1H),4.83(m,1H),4.26(t,2H),3.62-3.66(m,6H),3.34(d,2H),3.18(m,4H),2.91-2.96(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(4-氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(44):
Mp250-252℃;EIMS m/z:587[M+];IR(KBr)cm﹣1:1683(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.58(m,1H),7.45(m,2H),7.34(m,2H),6.87(m,1H),6.73(m,1H),4.82(m,1H),4.44(s,2H),4.26(t,2H),3.57-3.66(m,7H),3.32-3.37(m,6H),2.91-2.96(m,4H),2.02(s,1H)。
(S)-5-(N-(3-(4-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(45):
Mp253-255℃;EIMS m/z:499[M+];IR(KBr)cm﹣1:1685(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.87(m,2H),7.77(m,2H),7.51-7.52(m,6H),7.41(m,1H),6.94(m,2H),4.81(m,1H),4.23(t,2H),3.83(s,3H),3.62(s,2H),3.34(d,2H),2.89(t,2H),2.78(d,2H),2.05(s,1H)。
(S)-5-(N-(3-(4-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(46):
Mp242-244℃;EIMS m/z:465[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:9.38(m,2H),8.22(s,1H),7.92(m,2H),7.53(m,2H),6.93(m,2H),4.83(m,1H),4.26(t,2H),3.85(s,3H),3.64(s,2H),3.34(d,2H),2.91-2.97(m,4H),2.53(s,3H),2.01(s,1H)。
(S)-5-(N-(3-(4-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(47):
Mp243-245℃;EIMS m/z:526[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.58(m,1H),7.49(m,2H),6.88-6.95(m,3H),6.73(m,1H),4.84(m,1H),4.25(t,2H),3.86(s,3H),3.63-3.67(m,6H),3.32(d,2H),3.17(m,4H),2.91-2.95(m,4H),2.02(s,1H)。
(S)-5-(N-(3-(4-甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(48):
Mp250-252℃;EIMS m/z:583[M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.57(m,1H),7.55(m,2H),6.87-6.94(m,3H),6.71(m,1H),4.84(m,1H),4.45(s,2H),4.23(t,2H),3.84(s,3H),3.58-3.66(m,7H),3.31-3.37(m,6H),2.90-2.97(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(4-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(49):
Mp257-259℃;EIMS m/z:547[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.87(m,2H),7.76(m,2H),7.56(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.28(m,2H),4.81(m,1H),4.24(t,2H),3.64(s,2H),3.35(d,2H),2.88(t,2H),2.81(d,2H),2.04(s,1H)。
(S)-5-(N-(3-(4-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(50):
Mp244-246℃;EIMS m/z:513[M+];IR(KBr)cm﹣1:1681(C=O),3565(NH);1H NMR(DMSO-d6)δppm:9.38(m,2H),8.21(s,1H),7.90(m,2H),7.54(m,2H),7.28(m,2H),4.81(m,1H),4.25(t,2H),3.62(s,2H),3.35(d,2H),2.91-2.96(m,4H),2.52(s,3H),2.04(s,1H)。
(S)-5-(N-(3-(4-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(51):
Mp245-247℃;EIMS m/z:574[M+];IR(KBr)cm﹣1:1681(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.55-7.58(m,3H),7.29(m,2H),6.88(m,1H),6.71(m,1H),4.82(m,1H),4.23(t,2H),3.63-3.67(m,6H),3.34(d,2H),3.19(m,4H),2.91-2.96(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(4-溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(52):
Mp254-256℃;EIMS m/z:631[M+];IR(KBr)cm﹣1:1684(C=O),3567(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.54-7.57(m,3H),7.25(m,2H),6.87(m,1H),6.72(m,1H),4.83(m,1H),4.44(s,2H),4.24(t,2H),3.57-3.65(m,7H),3.31-3.37(m,6H),2.92-2.97(m,4H),2.053(s,1H)。
(S)-5-(N-(3-(4-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(53):
Mp251-253℃;EIMS m/z:484[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.22(s,1H),7.86(m,2H),7.77(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.14(m,2H),6.32(m,2H),6.26(s,2H),4.83(m,1H),4.22(t,2H),3.61(s,2H),3.32(d,2H),2.89(t,2H),2.80(d,2H),2.01(s,1H)。
(S)-5-(N-(3-(4-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(54):
Mp241-243℃;EIMS m/z:450[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.39(m,2H),8.23(s,1H),7.91(m,2H),7.14(m,2H),6.26-6.32(m,4H),4.83(m,1H),4.24(t,2H),3.63(s,2H),3.34(d,2H),2.91-2.96(m,4H),2.51(s,3H),2.03(s,1H)。
(S)-5-(N-(3-(4-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(55):
Mp240-242℃;EIMS m/z:511[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58(m,1H),7.12(m,2H),6.89(m,1H),6.72(m,1H),6.27-6.32(m,4H),4.83(m,1H),4.25(t,2H),3.63-3.67(m,6H),3.33(d,2H),3.17(m,4H),2.91-2.95(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(4-氨基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(56):
Mp250-252℃;EIMS m/z:568[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.57(m,1H),7.15(m,2H),6.87(m,1H),6.72(m,1H),6.27-6.31(m,4H),4.82(m,1H),4.43(s,2H),4.25(t,2H),3.57-3.65(m,7H),3.31-3.36(m,6H),2.91-2.96(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(4-硝基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(57):
Mp254-256℃;EIMS m/z:514[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.25(m,2H),8.17(s,1H),7.87(m,2H),7.76(m,2H),7.51-7.53(m,4H),7.41-7.43(m,3H),4.83(m,1H),4.24(t,2H),3.63(s,2H),3.35(d,2H),2.89(t,2H),2.82(d,2H),2.03(s,1H)。
(S)-5-(N-(3-(4-硝基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(58):
Mp244-246℃;EIMS m/z:480[M+];IR(KBr)cm﹣1:1682(C=O),3565(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.23(m,2H),8.09(s,1H),7.91(m,2H),7.44(m,2H),4.82(m,1H),4.25(t,2H),3.62(s,2H),3.35(d,2H),2.91-2.96(m,4H),2.54(s,3H),2.01(s,1H)。
(S)-5-(N-(3-(4-硝基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(59):
Mp242-244℃;EIMS m/z:541[M+];IR(KBr)cm﹣1:1681(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.24(m,2H),8.09(s,1H),7.58(m,1H),7.42(m,2H),6.87(m,1H),6.72(m,1H),4.81(m,1H),4.25(t,2H),3.62-3.67(m,6H),3.34(d,2H),3.19(m,4H),2.91-2.96(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(4-硝基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(60):
Mp253-255℃;EIMS m/z:598[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.22(m,2H),8.11(s,1H),7.58(m,1H),7.46(m,2H),6.88(m,1H),6.73(m,1H),4.84(m,1H),4.45(s,2H),4.23(t,2H),3.57-3.65(m,7H),3.31-3.37(m,6H),2.91-2.96(m,4H),2.05(s,1H)。
(S)-5-(N-(3-(4-甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(61):
Mp252-254℃;EIMS m/z:483[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.21(s,1H),7.86(m,2H),7.77(m,2H),7.51-7.52(m,4H),7.40(m,1H),7.26(m,2H),7.19(m,2H),4.83(m,1H),4.22(t,2H),3.61(s,2H),3.33(d,2H),2.89(t,2H),2.81(d,2H),2.34(s,3H),2.04(s,1H)。
(S)-5-(N-(3-(4-甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(62):
Mp241-243℃;EIMS m/z:449[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.38(m,2H),8.19(s,1H),7.92(m,2H),7.26(m,2H),7.15(m,2H),4.83(m,1H),4.24(t,2H),3.61(s,2H),3.33(d,2H),2.91-2.96(m,4H),2.51(s,3H),2.34(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(4-甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(63):
Mp247-249℃;EIMS m/z:510[M+];IR(KBr)cm﹣1:1683(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.58(m,1H),7.26(m,2H),7.16(m,2H),6.88(m,1H),6.72(m,1H),4.83(m,1H),4.23(t,2H),3.62-3.65(m,6H),3.32(d,2H),3.17(m,4H),2.91-2.96(m,4H),2.35(s,3H),2.05(s,1H)。
(S)-5-(N-(3-(4-甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(64):
Mp250-252℃;EIMS m/z:567[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58(m,1H),7.25(m,2H),7.16(m,2H),6.88(m,1H),6.73(m,1H),4.83(m,1H),4.42(s,2H),4.24(t,2H),3.56-3.65(m,7H),3.31-3.35(m,6H),2.91-2.97(m,4H),2.36(s,3H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(65):
Mp251-253℃;EIMS m/z:537[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.87(m,2H),7.76(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.38(m,1H),7.24(m,1H),7.20(m,1H),4.83(m,1H),4.24(t,2H),3.63(s,2H),3.33(d,2H),2.89(t,2H),2.80(d,2H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(66):
Mp239-241℃;EIMS m/z:503[M+];IR(KBr)cm﹣1:1681(C=O),3564(NH);1H NMR(DMSO-d6)δppm:9.42(m,2H),8.17(s,1H),7.91(m,2H),7.36(m,1H),7.19-7.25(m,2H),4.82(m,1H),4.25(t,2H),3.62(s,2H),3.34(d,2H),2.91-2.96(m,4H),2.52(s,3H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(67):
Mp252-254℃;EIMS m/z:564[M+];IR(KBr)cm﹣1:1684(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.16(s,1H),7.56(m,1H),7.36(m,1H),7.20-7.24(m,2H),6.89(m,1H),6.73(m,1H),4.82(m,1H),4.24(t,2H),3.62-3.66(m,6H),3.34(d,2H),3.19(m,4H),2.91-2.95(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二氯苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(68):
Mp255-257℃;EIMS m/z:621[M+];IR(KBr)cm﹣1:1685(C=O),3562(NH);1H NMR(DMSO-d6)δppm:8.16(s,1H),7.59(m,1H),7.39(m,1H),7.21-7.26(m,2H),6.88(m,1H),6.71(m,1H),4.82(m,1H),4.44(s,2H),4.23(t,2H),3.57-3.65(m,7H),3.31-3.36(m,6H),2.91-2.96(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(3,4-二溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(69):
Mp265-267℃;EIMS m/z:625[M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.87(m,2H),7.77(m,2H),7.51-7.52(m,4H),7.47(m,1H),7.44(m,1H),7.40(m,1H),7.22(m,1H),4.83(m,1H),4.22(t,2H),3.61(s,2H),3.34(d,2H),2.89(t,2H),2.79(d,2H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(70):
Mp255-257℃;EIMS m/z:591[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.38(m,2H),8.17(s,1H),7.94(m,2H),7.43-7.47(m,2H),7.19(m,1H),4.84(m,1H),4.23(t,2H),3.63(s,2H),3.32(d,2H),2.91-2.97(m,4H),2.51(s,3H),2.04(s,1H)。
(S)-5-(N-(3-(3,4-二溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(71):
Mp256-258℃;EIMS m/z:652M+];IR(KBr)cm﹣1:1682(C=O),3566(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58(m,1H),7.44-7.47(m,2H),7.20(m,1H),6.87(m,1H),6.71(m,1H),4.84(m,1H),4.25(t,2H),3.62-3.66(m,6H),3.33(d,2H),3.18(m,4H),2.91-2.95(m,4H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二溴苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(72):
Mp265-267℃;EIMS m/z:709[M+];IR(KBr)cm﹣1:1682(C=O),3565(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58(m,1H),7.43-7.47(m,2H),7.21(m,1H),6.86(m,1H),6.70(m,1H),4.84(m,1H),4.43(s,2H),4.25(t,2H),3.57-3.65(m,7H),3.31-3.37(m,6H),2.91-2.96(m,4H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(73):
Mp253-255℃;EIMS m/z:497[M+];IR(KBr)cm﹣1:1683(C=O),3564(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.87(m,2H),7.76(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.17(m,1H),7.06(m,1H),6.97(m,1H),4.81(m,1H),4.24(t,2H),3.61(s,2H),3.34(d,2H),2.89(t,2H),2.79(d,2H),2.35(s,6H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(74):
Mp245-247℃;EIMS m/z:463[M+];IR(KBr)cm﹣1:1682(C=O),3564(NH);1H NMR(DMSO-d6)δppm:9.37(m,2H),8.18(s,1H),7.90(m,2H),7.17(m,1H),7.09(m,1H),6.96(m,1H),4.83(m,1H),4.26(t,2H),3.62(s,2H),3.34(d,2H),2.91-2.96(m,4H),2.50(s,3H),2.33(s,6H),2.04(s,1H)。
(S)-5-(N-(3-(3,4-二甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(75):
Mp244-246℃;EIMS m/z:524M+];IR(KBr)cm﹣1:1684(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.16(s,1H),7.55(m,1H),7.17(m,1H),7.06(m,1H),6.97(m,1H),6.88(m,1H),6.71(m,1H),4.83(m,1H),4.23(t,2H),3.63-3.65(m,6H),3.31(d,2H),3.16(m,4H),2.91-2.95(m,4H),2.32(s,6H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二甲基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(76):
Mp253-255℃;EIMS m/z:581[M+];IR(KBr)cm﹣1:1684(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.56(m,1H),7.16(m,1H),7.06(m,1H),6.96(m,1H),6.87(m,1H),6.71(m,1H),4.85(m,1H),4.42(s,2H),4.26(t,2H),3.56-3.65(m,7H),3.32-3.37(m,6H),2.91-2.95(m,4H),2.35(s,6H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(联苯-4-基)-2-噁唑烷酮(77):
Mp254-256℃;EIMS m/z:529[M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.19(s,1H),7.87(m,2H),7.77(m,2H),7.51-7.52(m,4H),7.41(m,1H),7.07(m,1H),6.95(m,1H),6.82(m,1H),4.81(m,1H),4.24(t,2H),3.82(s,6H),3.63(s,2H),3.33(d,2H),2.89(t,2H),2.79(d,2H),2.02(s,1H)。
(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-乙酰基苯基)-2-噁唑烷酮(78):
Mp247-249℃;EIMS m/z:495[M+];IR(KBr)cm﹣1:1683(C=O),3562(NH);1H NMR(DMSO-d6)δppm:9.35(m,1H),8.19(s,1H),7.93(m,2H),7.07(m,1H),6.93(m,1H),6.81(m,1H),4.83(m,1H),4.23(t,2H),3.84(s,6H),3.61(s,2H),3.33(d,2H),2.91-2.95(m,4H),2.52(s,3H),2.03(s,1H)。
(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(吗啉-1-基)-3-氟苯基)-2-噁唑烷酮(79):
Mp245-247℃;EIMS m/z:556M+];IR(KBr)cm﹣1:1682(C=O),3561(NH);1H NMR(DMSO-d6)δppm:8.17(s,1H),7.56(m,1H),7.09(m,1H),6.89-6.94(m,2H),6.80(m,1H),6.71(m,1H),4.84(m,1H),4.25(t,2H),3.84(s,6H),3.62-3.65(m,6H),3.33(d,2H),3.17(m,4H),2.91-2.95(m,4H),2.04(s,1H)。
(S)-5-(N-(3-(3,4-二甲氧基苯基)-2(5H)-吡咯酮-4-基)氧乙基)胺甲基-3-(4-(4-(2-羟基乙酰基)哌嗪-1-基)-3-氟苯基)-2-噁唑烷酮(80):
Mp256-258℃;EIMS m/z:613[M+];IR(KBr)cm﹣1:1682(C=O),3563(NH);1H NMR(DMSO-d6)δppm:8.18(s,1H),7.58(m,1H),7.08(m,1H),6.96(m,1H),6.88(m,1H),6.81(m,1H),6.71(m,1H),4.83(m,1H),4.43(s,2H),4.24(t,2H),3.84(s,6H),3.57-3.65(m,7H),3.33-3.36(m,6H),2.91-2.95(m,4H),2.02(s,1H)。

Claims (4)

1.一类胺甲基连接的吡咯酮-噁唑烷酮型化合物,其特征是它们具有如下结构通式:
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I中:
R1=
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,R2=
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、Ac、
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,则R3=H、F、Cl、Br、NH2、NHMe、NHEt、NMe2、NEt2、OH、OMe或OEt。
2.一种制备权利要求1所上述一类胺甲基连接的吡咯酮-噁唑烷酮型化合物的方法,其特征是它包括下列步骤:
步骤1:将2-R1乙酸加入到二氯甲烷和三乙胺中,室温下,0.5-1.5h后加入TBTU和甘氨酸甲酯盐酸盐反应24h,物质的量之比:2-R1乙酸:二氯甲烷:三乙胺:TBTU:甘氨酸甲酯盐酸盐=1:(4-6):(4-6):(2-4):(1-2),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE(石油醚与AcOEt的体积比为16:1-2:1),得到2-(2-R1乙酰氨基)乙酸甲酯化合物(II);
步骤2:在室温下将Na加入到无水CH3OH中,然后滴入2-(2-R1乙酰氨基)乙酸甲酯化合物(II),滴加完毕于室温下反应25h,物质的量之比为:II:Na=l: (2-4),反应完毕,倒入冰水中,用***萃取,水层酸化,析出沉淀,抽滤,得白色到淡黄色固体4-羟基-3-R1-2(5H)-吡咯酮(III);
步骤3:将4-羟基-3-R1-2(5H)-吡咯酮(III),1,2-二溴乙烷和三乙胺溶于无水丙酮中,回流4-l0h,物质量之比为:III:1,2-二溴乙烷:三乙胺=1:(5-8):(1-3),反应完毕后,加水,乙酸乙酯萃取,有机层分别用饱和NaHCO3溶液与饱和食盐水洗涤,无水MgSO4干燥,浓缩得产物4-(2-溴乙氧基)-3-R1-2(5H)-吡咯酮(IV);
步骤4:将3-R3-4-R2苯甲酸加入到含三乙胺的甲氧基甲酰氯中,室温下反应1-2h后,加入适量叠氮化钠,继续反应1h,加入叠氮环氧丙烷、溴化锂、三丁基氧磷,物质的量之比:3-R3-4-R2苯甲酸:甲氧基甲酰氯:三乙胺:叠氮化钠:叠氮环氧丙烷:溴化锂:三丁基氧磷=1:(1-2):(4-6):(1-2):(1-2):(0.5-1.5):(1-3),反应完毕后,用乙酸乙酯萃取,分别用水、稀盐酸、饱和碳酸氢钠、水洗涤,无水MgSO4干燥,浓缩,用硅胶柱层析,洗脱剂为石油醚-AcOE(石油醚与AcOEt.的体积比为14:1-2:1),得到N-芳基取代噁唑烷酮(V);
步骤5:向含有二氧化铂的N-芳基取代噁唑烷酮(V)中通入氢气,室温下0.5-1h后,加入4-(2-溴乙氧基)-3-R1-2(5H)-吡咯酮(IV)、4-N,N-二甲胺基吡啶(DMAP)、KI和溶剂DMSO,70℃反应48-72h,物质量之比:V:二氧化铂:氢气:IV:4-N,N-二甲胺基吡啶:KI=1:(0.1-0.2):(4-6):(0.5-1.5):(3-5):(0.1-0.3),反应完毕后,加水,析出固体,经柱层析纯化,得产物胺甲基连接的吡咯酮-噁唑烷酮型化合物(I),洗脱剂为含0.3%醋酸的氯仿-甲醇,氯仿与甲醇的体积比为15:1-10:1;
其中所述的R1、R2和R3的定义与权利要求1所述的定义相同。
3.权利要求1所述的一类胺甲基连接的吡咯酮-噁唑烷酮型化合物具有多靶点的抗菌作用机制。
4.权利要求1所述的一类胺甲基连接的吡咯酮-噁唑烷酮型化合物在制备抗感染药物中的应用。
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