CN103242332B - 1-n酰基取代吲哚酮衍生物 - Google Patents

1-n酰基取代吲哚酮衍生物 Download PDF

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CN103242332B
CN103242332B CN201310175058.5A CN201310175058A CN103242332B CN 103242332 B CN103242332 B CN 103242332B CN 201310175058 A CN201310175058 A CN 201310175058A CN 103242332 B CN103242332 B CN 103242332B
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曾斌
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Jiangxi Science and Technology Normal University
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Abstract

本发明属于药物合成技术领域,本发明涉及新的1-N酰基取代吲哚酮衍生物及其制备方法和应用。本发明就是以4-溴苯胺作为起始原料,经过成肟、环化、缩醛保护、N-烷基化反应首次得到具有潜在生物活性的1-N酰基取代吲哚酮衍生物。

Description

1-N酰基取代吲哚酮衍生物
技术领域
本发明属于化合物合成领域,尤其涉及吲哚酮衍生物及其合成方法与应用。
技术背景
靛红(isatin),又名吲哚醌,吲哚醌具有各种良好的生物活性,如抗惊厥活性、抗癫痫活性、抗抑郁活性、抗焦虑活性、抗衰老活性、抗肿瘤活性、抗菌活性等,其在各种药物的研究、改良和优化中被广泛地研究。是一种重要的天然产物,广泛分布于动植物和人体内。靛红及其衍生物具有多种生物活性,靛红目前可以作为工业品大量合成,是相对较便宜的原料。其1,2,3位及苯环上可以发生多种类型的化学反应,为其衍生物的合成提供了广阔的空间,因此目前以靛红为底物的有机合成或靛红及其衍生物的合成和活性的研究非常活跃。
说明书内容
本发明提供了一种1-N酰基取代吲哚酮衍生物及其合成方法与应用。
具体技术方案如下:
1-N酰基取代吲哚酮衍生物,结构如下:
X代表酰基中的任一种。
X为4-氯苯甲酰基、苯甲酰基、4-三氟甲基苯甲酰基、4-甲基苯甲酰基、4-氟苯甲酰基、2-萘甲酰基任一种;R为氢或溴。
相应的化合物为:
a)1-(4-氯苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
b)1-苯甲酰基-(3,3-缩二醛)-5溴吲哚酮
c)1-(4-三氟甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
d)1-(4-甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
e)1-(4-氟苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
f)1-(2-萘甲酰基)-(3,3-缩二醛)-5溴吲哚酮
上述1-N酰基取代吲哚酮衍生物的合成方法,包括下列步骤:以4-溴苯胺作为起始原料,经过成肟、环化、缩醛保护、N-烷基化,得最终产物1-N酰基取代吲哚酮衍生物。
具体合成技术路线如下:
本发明还涉及前述签署1-N酰基取代吲哚酮衍生物在制备抗肿瘤、抗病毒、或神经保护药物中的应用。
本发明提供了1-N酰基取代吲哚酮衍生物及其合成方法与应用,合成方法可靠、简单。
说明书附图
图1实施例1结果图。
图2实施例2结果图。
图3实施例3结果图。
图4实施例4结果图。
图5实施例5结果图。
图6实施例6结果图。
图7实施例7结果图。
图8实施例8结果图。
具体实施方式
实施例1
5-溴吲哚二酮
取4-溴苯胺10g(0.058mol)放入500mL圆底烧瓶中,加入250mL水,在搅拌情况下加入无水硫酸钠63.56g(0.452mol)和盐酸羟胺13.24g(0.191mol),然后加入2mol/L盐酸溶液10mL,室温下搅拌5分钟,最后加入水合氯醛10.6g(0.116mol)。将反应混合物室温搅拌15分钟,然后90℃下反应2h,反应2h后TLC检测原料消失,然后室温下冷却,抽滤,真空干燥,得黄色固体13.4g。
取40mL浓硫酸加入到100mL圆底烧瓶中,于50℃下将13.4g的黄色固体缓慢加入到浓硫酸中,完全加入后65℃下反应30min。反应结束后冷却至室温,然后将反应混合物倒入到冰水混合物中,搅拌30min,抽滤得红色固体,真空干燥箱下干燥,得5-溴吲哚二酮11.4g84%。为红色固体。
1H NMR(DMSO 400MHz)δ:11.137(1H,s),7.757-7.730(1H,t),7.666-7.661(1H,d),6.891-6.870(1H,d).
具体图谱见图1。
实施例2
(3,3-缩二醛)-5-溴吲哚酮
取5-溴吲哚二酮10.0g(0.044mol)放入到250mL圆底烧瓶中,加入125mL甲苯,再加入乙二醇13.36g(0.221mol)和对甲基苯磺酸1.26g(0.07mol)。使用分水器在130℃下反应6h,反应6h后TLC检测原料消失,冷却至室温,加入50mL水,然后乙酸乙酯萃取(100mL×3),合并有机相,无水硫酸钠干燥,减压旋去溶剂,石油醚:乙酸乙酯=10:1200-300目硅胶柱纯化。得(3,3-缩二醛)-5-溴吲哚酮11.0g 91.6%。
1H-NMR(CDCl3 400MHz)δ:8.126(1H,s),7.190-7.125(2H,t),6.776-6.754(1H,t),4.587-4.554(2H,t),4.460-4.27(2H,t)。
具体图谱见图2.
实施例3
1-(4-氯苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.40mmol),搅拌5min后逐滴加入对氯苯甲酰氯0.38g(2.20mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-(4-氯苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率54%。
1H NMR(CDCl3400MHz):δ/ppm 4.390-4.356(m,2H),4.534-4.501(m,2H),7.490-7.468(d,2H),7.683-7.632(m,4H),7.837-7.814(d,1H).
具体图谱见图3。
实施例4
1-苯甲酰基-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.40mmol),搅拌5min后逐滴加入苯甲酰氯0.31g(2.20mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-苯甲酰基-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率60%。
1H NMR(CDCl3 400MHz):δ/ppm 4.387-4.365(m,2H),4.539-4.517(m,2H),7.528-7.502(t,2H),7.655-7.632(m,3H),7.749-7.735(t,2H),7.850-7.835(d,1H).
具体图谱见图4。
实施例5
1-(4-三氟甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.4mmol),搅拌5min后逐滴加入4-三氟甲基苯甲酰氯0.46g(2.2mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-(4-三氟甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率55%。
1H NMR(CDCl3 400MHz):δ/ppm 4.385-4.351(m,2H),4.512-4.479(m,2H),7.665-7.642(t,2H),7.812-7.748(m,4H),7.926-7.902(m,1H).
具体图谱见图5。
实施例6
1-(4-甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.40mmol),搅拌5min后逐滴加入对甲基苯甲酰氯0.34g(2.20mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-(4-甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率65%。
1H NMR(CDCl3 400MHz):δ/ppm 2.482(s,2H),4.382-4.349(m,2H),4.545-4.512(m,2H),7.316-7.295(d,2H),7.666-7.609(m,4H),7.787-7.764(d,1H).
具体图谱见图6。
实施例7
1-(4-氟苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.40mmol),搅拌5min后逐滴加入4-氟苯甲酰氯0.35g(2.2mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-(4-氟苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率67%。
1H NMR(CDCl3 400MHz):δ/ppm 4.330-4.364(m,2H),4.458-4.492(m,2H),7.623-7.648(t,2H),7.725-7.788(m,4H),7.886-7.909(d,1H).
具体图谱见图7。
实施例8
1-(2-萘甲酰基)-(3,3-缩二醛)-5溴吲哚酮
将(3,3-缩二醛)-5-溴吲哚酮0.50g(1.85mmol)溶于干燥的二氯甲烷中,于冰浴下加入三乙胺0.37g(7.40mmol),搅拌5min后逐滴加入2-萘甲酰氯0.43g(2.20mmol),室温反应4h,TLC检测反应完全后,向反应混合物中加入15mL的水,用二氯甲烷萃取3次,合并有机相干燥,用石油醚:乙酸乙酯=10:1,200目硅胶柱层析纯化,得1-(2-萘甲酰基)-(3,3-缩二醛)-5溴吲哚酮,为白色固体,收率51%。
1H NMR(CDCl3 400MHz):δ/ppm 4.230-4.258(m,2H),4.289-4.347(m,2H),7.239-7.242(d,3H),7.497-7.535(m,3H),7.592-7.677(m,1H),7.894-7.914(m,2H),7.985-8.157(m,1H).
具体图谱见图8。
实施例9本抑制肿瘤细胞生长活性测试
IC50即半抑制率,标准曲线是一个S型曲线。IC50为50%抑制浓度即细胞存活量为对照样本一半时所对应的浓度,半数抑制越低,说明药物对细胞的毒性越高。
取下列化合物溶液:
a)1-(4-氯苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
b)1-苯甲酰基-(3,3-缩二醛)-5溴吲哚酮;
c)1-(4-三氟甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
d)1-(4-甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
e)1-(4-氟苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
f)1-(2-萘甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
,调至适宜浓度备用。
取K562、HePG2作为待测细胞,加入上述化合物溶液依照常规方法测定细胞的IC50值。得结果如下:
结果表明,本发明1-N酰基取代吲哚酮衍生物具有良好的抑制人肝癌细胞HePG2、K562细胞生长作用。
实施例9
将a)1-(4-氯苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
b)1-苯甲酰基-(3,3-缩二醛)-5溴吲哚酮;
c)1-(4-三氟甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
d)1-(4-甲基苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
e)1-(4-氟苯甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
f)1-(2-萘甲酰基)-(3,3-缩二醛)-5溴吲哚酮;
分别加入常用药物辅料,制成常规药物片剂。

Claims (1)

1.1-N酰基取代吲哚酮衍生物的合成方法,包括下列步骤:以4-溴苯胺作为起始原料,经过成肟、环化、缩醛保护、N-烷基化,得最终产物1-N酰基取代吲哚酮衍生物;所述1-N酰基取代吲哚酮衍生物结构如下:                                                ,X代表4-氯苯甲酰基、苯甲酰基、4-三氟甲基苯甲酰基、4-甲基苯甲酰基、4-氟苯甲酰基、或2-萘甲酰基中任一种;R为氢或溴。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1079464A (zh) * 1991-12-18 1993-12-15 阿斯特拉公司 治疗包括胆碱能功能降低的病症有价值的吲哚酮和吲哚二酮的衍生物的制备方法
WO1994029272A1 (en) * 1993-06-16 1994-12-22 Astra Aktiebolag 1-substituted isatin and oxindole derivatives as inhibitors of acetylcholinesterase
CN1350523A (zh) * 1999-05-04 2002-05-22 美国家庭用品有限公司 作为***拮抗剂的二氢吲哚衍生物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1079464A (zh) * 1991-12-18 1993-12-15 阿斯特拉公司 治疗包括胆碱能功能降低的病症有价值的吲哚酮和吲哚二酮的衍生物的制备方法
WO1994029272A1 (en) * 1993-06-16 1994-12-22 Astra Aktiebolag 1-substituted isatin and oxindole derivatives as inhibitors of acetylcholinesterase
CN1350523A (zh) * 1999-05-04 2002-05-22 美国家庭用品有限公司 作为***拮抗剂的二氢吲哚衍生物

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