CN108864109B - 含胺基朝格尔碱衍生物、联二萘酚-朝格尔碱胺希夫碱衍生物的合成方法与应用 - Google Patents

含胺基朝格尔碱衍生物、联二萘酚-朝格尔碱胺希夫碱衍生物的合成方法与应用 Download PDF

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CN108864109B
CN108864109B CN201810678738.1A CN201810678738A CN108864109B CN 108864109 B CN108864109 B CN 108864109B CN 201810678738 A CN201810678738 A CN 201810678738A CN 108864109 B CN108864109 B CN 108864109B
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苑睿
李明琪
张鹏
宛瑜
吴翚
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Abstract

含胺基朝格尔碱衍生物、联二萘酚‑朝格尔碱胺希夫碱衍生物的合成方法与应用,所述含胺基朝格尔碱衍生物的结构式如下式2所示,其由含胺基朝格尔碱、N‑溴代丁二酰亚胺、偶氮二异丁腈和乙腈溶液于容器内在加热条件下反应制得。本发明的含胺基朝格尔碱衍生物对三阴性乳腺癌(MDA‑MB‑231),乳腺癌(MCF‑7),人肺癌(A549)细胞株具有较好的抑制效果,且对正常人体细胞的毒性较低,在制备新一代抗肺癌和乳腺癌的特异性药物上具有广阔的应用前景;本发明的联二萘酚‑朝格尔碱胺希夫碱衍生物可在制备硫代咪唑烷酮类衍生物的反应中用作催化剂。

Description

含胺基朝格尔碱衍生物、联二萘酚-朝格尔碱胺希夫碱衍生物 的合成方法与应用
技术领域
本发明属于化学合成及生物医药领域,具体涉及一种含胺基朝格尔碱衍生物及其合成方法与应用、联二萘酚-朝格尔碱胺希夫碱衍生物及其合成方法与应用。
背景技术
癌症,尤其是一些恶性肿瘤,是科学家久攻不破的难点。目前,化疗是治疗癌症主要的有效措施之一。但是,临床上可供选择的化疗药物的数量非常有限,因此发现新的可以用于临床使用的化疗药物是目前癌症研究中的热点。
其中,三阳性乳腺癌是人们急切希望攻克的恶性肿瘤之一,有调查表明:虽然在乳腺癌中占比较小,但三阳性乳腺癌具有肿块较大、生物学行为差、病理多分为III级、腋窝淋巴结转移、常有神经或脉管浸润、高肿瘤负荷和高增殖指数等病理特征。且三阳性乳腺癌相对阴性乳腺癌复发转移较早,总生存率和无病生存率较低。因此,开发三阳性乳腺癌的靶向药物,降低其复发转移率具有重要的意义,而朝格尔碱衍生物和硫代咪唑烷酮类衍生物是极具潜力的先导药物骨架。
朝格尔碱具有独特的V型结构、合适的二面角以及较大的空腔,使其与DNA有着极高的亲和力。已有文献报道,朝格尔碱衍生物对体外细胞的实验结果表明,朝格尔碱衍生物能有效抑制癌细胞的分裂,并且对正常细胞毒性影响较小。
发明内容
发明人通过大量实验研究研发了一种含胺基朝格尔碱衍生物的合成方法和一种联二萘酚-朝格尔碱胺希夫碱衍生物的合成方法,并设计合成了一种含胺基朝格尔碱衍生物和多种联二萘酚-朝格尔碱胺希夫碱衍生物。体外实验表明,本发明的含胺基朝格尔碱衍生物对肿瘤细胞株具有较好的抑制效果,在制备抗肿瘤药物方面具有潜在的应用前景。
具体而言,本发明提供了一种含胺基朝格尔碱衍生物,其结构式如下式2所示:
Figure BDA0001709904690000011
本发明还提供了上述含胺基朝格尔碱衍生物的制备方法,其是由下式1所示化合物、N-溴代丁二酰亚胺、偶氮二异丁腈和乙腈溶液于容器内在加热条件下反应制得
Figure BDA0001709904690000021
在本发明的含胺基朝格尔碱衍生物的制备方法中,所述式1所示化合物与所述N-溴代丁二酰亚胺的摩尔比为1:2。
本发明还提供了联二萘酚-朝格尔碱胺希夫碱衍生物,其结构式为之一:
Figure BDA0001709904690000022
本发明还提供了上述联二萘酚-朝格尔碱胺希夫碱衍生物的制备方法,其是由上述式1所示化合物、上述式2所示化合物或下式3所示化合物与下式4所示化合物或下式5所示化合物于容器内在加热条件下反应得所述联二萘酚-朝格尔碱胺希夫碱衍生物。
Figure BDA0001709904690000023
在本发明的联二萘酚-朝格尔碱胺希夫碱衍生物的制备方法中,式1所示化合物、所述式2所示化合物或所述式3所示化合物与所述式4所示化合物的摩尔比为2:1;所述式1所示化合物、所述式2所示化合物或所述式3所示化合物与所述式5所示化合物的摩尔比为1:1。
本发明还提供了上述式6a所示化合物在催化合成硫代咪唑烷酮类衍生物中的应用。
本发明还提供了上述式1化合物或式2化合物在制备抗肿瘤药物中的应用。
与现有技术相比,本发明的有益效果:本发明合成工艺所需反应条件温和、反应时间短、产率高,具有广阔的工业化/规模化应用前景;本发明的含胺基朝格尔碱衍生物对三阴性乳腺癌(MDA-MB-231),乳腺癌(MCF-7),人肺癌(A549)细胞株具有较好的抑制效果,且对正常人体细胞的毒性较低,在制备新一代抗肺癌和乳腺癌的特异性药物上具有广阔的应用前景;本发明的联二萘酚-朝格尔碱胺希夫碱衍生物可在制备硫代咪唑烷酮类衍生物的反应中用作催化剂。
具体实施方式:
实施例1含胺基朝格尔碱衍生物的合成
干净的100mL圆底烧瓶内依次加入化合物1(10mmol)、N-溴代丁二酰亚胺(20mmol)、偶氮二异丁腈(20mol%)和乙腈溶液20mL,加热回流12h(TLC跟踪),反应完全后,抽滤,母液旋干,经柱层析(V石油醚:V乙酸乙酯=5:1)纯化得产物2,产率为81%。
实施例2联二萘酚-朝格尔碱胺希夫碱衍生物的合成
Figure BDA0001709904690000032
Figure BDA0001709904690000041
依次向干燥的耐压管(10mL)内加入化合物1(2mmol)和4(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6a。
依次向干燥的耐压管(10mL)内加入化合物2(2mmol)和4(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6b。
依次向干燥的耐压管(10mL)内加入化合物3(2mmol)和4(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6c。
依次向干燥的耐压管(10mL)内加入化合物1(1mmol)和5(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6d。
依次向干燥的耐压管(10mL)内加入化合物2(1mmol)和5(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6e。
依次向干燥的耐压管(10mL)内加入化合物3(1mmol)和5(1mmol),加热回流12h(TLC跟踪),反应完全后,抽滤,重结晶得产物6f。
实施例3硫代咪唑烷酮类衍生物的合成
干净的10mL圆底烧瓶内依次加入7(0.2mmol)、芳醛8(0.2mmol)、异腈9(0.2mmol)、丙二腈10(0.2mmol)、实施例2中的催化剂6a(10mmol%)和乙腈水溶液(V乙腈:V=3:1)2mL,室温下搅拌12h。待反应完全后(TLC跟踪),经无水Na2SO4干燥,减压蒸馏,柱层析纯化得目标产物(V石油醚:V乙酸乙酯=5:1)。
实施例4产物结构表征
3,3’-双((E)-((9-氨基-2,8-二甲基-6H,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-3-基)亚氨基)甲基)-[1,1’-联萘]-2,2’-二醇(6a)
Figure BDA0001709904690000052
(100MHz,CDCl3)δ196.84,162.19,154.62,146.79,143.91,138.58,135.53,134.71,130.74,129.98,129.05,128.76,127.75,126.67,124.97,123.59,121.46,119.55,117.19,113.64,110.30,66.94,58.25,17.69,16.84.HRMS(ESI)m/z:calcd for C56H50N8O2[M-H]+:865.3978;found:865.3952.
3,3’-双((E)-((9-氨基-4,10-二溴-2,8-二甲基-6H-,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-吡啶-3-基)亚氨基)甲基-[1,1’-二萘]-2,2’-二醇(6b)
Figure BDA0001709904690000053
201.83.,163.45,152.67,150.69,146.81,141.48,137.83,134.59,132.73,128.89,128.11,126.55,124.52,124.78,120.31,118.63,112.58,111.38,71.54,69.38,19.54.HRMS(ESI)m/z:calcd for C56H46Br4N8O2[M-H]+:1177.0399;found:1177.0356.
3,3’-双((E)-((8-氨基-4,10-二甲基6H,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-2-基)亚氨基)甲基)-[1,1'-联萘]-2,2’-二醇(6c)
Figure BDA0001709904690000061
MHz,CDCl3),δ161.11,154.53,142.50,135.53,133.99,129.04,128.66,127.76,124.79,123.49,121.37,116.75,116.52,110.20,67.80,55.32,55.13,17.31,17.11.HRMS(ESI)m/z:calcd for C56H50N8O2[M-H]+:865.3978;found:865.3934.
(E)-3-(((9-氨基-2,8-二甲基-6H,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-3-基)亚氨基)甲基)-[1,1’-联萘]-2,2’-二醇(6d)
Figure BDA0001709904690000062
4.31(d,J=8.2Hz,2H),4.18(d,J=8.0Hz,2H),2.15(s,3H),2.04(s,3H).13C NMR(100MHz,CDCl3),δ161.74,155.39,151.66,146.48,135.64,133.63,130.18,129.12,128.93,128.32,127.84,126.50,124.85,124.02,123.20,121.28,117.76,66.89,58.34,17.70.HRMS(ESI)m/z:calcd for C38H32N4O2[M-H]+:575.2447;found:575.2485.
(E)-3-(((9-氨基-4,10-二溴-2,8-二甲基-6H-,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-3-基)亚氨基)甲基)-[1,1’-二萘]-2,2’-二醇(6e)
2H),4.55(d,J=10.4Hz,2H),4.26(d,J=8.0Hz,2H),2.57(s,3H),2.38(s,3H).13C NMR(100MHz,CDCl3),δ162.83,158.63,153.75,148.63,138.69,135.76,132.14,129.35,128.37,127.89,126.76,125.61,123.53,122.19,119.85,65.98,60.46,24.83.20.84HRMS(ESI)m/z:calcd for C38H30Br2N4O2[M-H]+:731.0657;found:731.0632
(E)-3-(((8-氨基-4,10-二甲基6H,12H-5,11-亚甲基二苯并[b,f][1,5]二氮芳辛-2-基)亚氨基)甲基)-[1,1’-联萘]-2,2’-二醇(6f)
Figure BDA0001709904690000071
4.12(s,1H),3.93(d,J=12.7Hz,2H),2.34(s,6H).13C NMR(100MHz,CDCl3),δ160.71,155.49,151.42,143.30,135.33,134.33,133.51,130.16,129.35,129.10,128.33,127.81,126.61,124.77,124.08,123.33,121.91,121.35,117.77,117.18,114.37,113.87,55.12,17.27.HRMS(ESI)m/z:calcd for C38H32N4O2[M+H]+:575.2447;found:575.2461.
3-(1H-苯并[d]咪唑-2-基)-1-环己基-2-亚氨基-4-苯基-5-硫代吡咯烷-3-甲腈(11a)
Figure BDA0001709904690000072
CDCl3)δ204.12,175.35,156.61,132.81,128.69,120.57,113.26,67.81,59.93,58.55,37.67,25.87,24.78.HRMS(ESI)m/z calcd for C24H23N5S[M-H]+:412.1596;found:412.1591.
3-(1H-苯并[d]咪唑-2-基)-4-(4-溴苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11b)
Figure BDA0001709904690000073
1.30-1.12(m,3H).13C NMR(100MHz,CDCl3),δ203.44,161.47,144.20,135.05,131.99,130.58,123.64,115.04,26.93,25.90,25.72,25.08.HRMS(ESI)m/z calcd for C24H22BrN5S[M-H]+:490.0701;found:490.0699.
3-(1H-苯并[d]咪唑-2-基)-1-环己基-2-亚氨基-5-硫代-4-(对甲苯基)吡咯烷-3-甲腈(11c)
Figure BDA0001709904690000074
MHz,CDCl3),δ204.58,161.74,145.33,139.19,133.12,129.99,128.38,123.38,115.31,26.93,25.84,25.56,25.04,21.25.HRMS(ESI)m/z calcd for C25H25N5S[M-H]+:426.1752;found:426.1747.
3-(1H-苯并[d]咪唑-2-基)-1-环己基-2-亚氨基-4-(4-甲氧基苯基)-5-硫代吡咯烷-3-甲腈(11d)
Figure BDA0001709904690000075
2.14(s,1H),1.73-1.57(m,5H),1.43–1.38(m,3H),1.31-1.24(m,2H).13C NMR(100MHz,CDCl3),δ203.26,160.86,153.63,141.07,132.55,126.49,124.57,121.45,117.47,28.76,26.46,25.17,25.09,21.36.HRMS(ESI)m/z calcd for C25H25N5OS[M-H]+:442.1702;found:442.1698.
3-(1H-苯并[d]咪唑-2-基)-4-(2-溴苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11e)
Figure BDA0001709904690000081
(100MHz,CDCl3),δ203.05,161.42,145.23,135.86,133.25,130.76,128.81,128.23,125.91,114.44,63.87,58.74,26.61,25.97,25.78,25.12.HRMS(ESI)m/z calcd forC24H22BrN5S[M-H]+:490.0701;found:490.0698.
3-(1H-苯并[d]咪唑-2-基)-4-(3-溴苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11f)
Figure BDA0001709904690000082
130.58,123.64,115.04,60.80,58.00,34.73,26.93,25.72,23.08.HRMS(ESI)m/z calcdfor C24H22BrN5S[M-H]+:490.0701;found:490.0703.
3-(1H-苯并[d]咪唑-2-基)-4-(2-氯苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11g)
Figure BDA0001709904690000083
13C NMR(100MHz,CDCl3),δ201.17,170.38,157.14,143.27,138.61,129.86,127.67,126.47,125.33,115.62,64.92,57.68,30.21,25.17,24.63,23.24.HRMS(ESI)m/z calcdfor C24H22ClN5S[M-H]+:446.1206;found:446.1206.
3-(1H-苯并[d]咪唑-2-基)-4-(3-氯苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11h)
Figure BDA0001709904690000084
(m,2H),1.44-1.31(m,2H),1.25(s,2H).13C NMR(100MHz,CDCl3),δ203.44,169.78,164.70,163.52,145.12,129.31,120.35,116.34,115.63,61.98,59.34,29.62,23.77,23.29,19.72.HRMS(ESI)m/z calcd for C24H22ClN5S[M-H]+:446.1206;found:446.1205.
3-(1H-苯并[d]咪唑-2-基)-1-环己基-4-(4-氟苯基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11i)
Figure BDA0001709904690000091
1.25-1.20(m,2H).13C NMR(100MHz,CDCl3),δ203.44,171.41,163.80,161.39,144.84,130.50,116.16,115.08,60.46,27.43,25.88,24.83,20.91,13.71.HRMS(ESI)m/z calcdfor C24H22FN5S[M-H]+:430.1502;found:430.1499.
1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-4-苯基-5-硫代吡咯烷-3-甲腈(11j)
115.29,113.01,66.04,57.96,25.90,25.75,24.87,20.14.HRMS(ESI)m/z calcd forC26H27N5S[M-H]+:440.1909;found:440.1906.
4-(4-氯苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11k)
Figure BDA0001709904690000093
127.75,113.99,24.85,24.74,24.04,19.39.HRMS(ESI)m/z calcd for C26H26ClN5S[M-H]+:474.1519;found:474.1509.
4-(3-氯苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11l)
Figure BDA0001709904690000094
137.62,134.95,130.44,129.46,129.12,126.96,114.99,57.96,31.92,29.36,26.90,25.88,25.72,25.04.HRMS(ESI)m/z calcd for C26H26ClN5S[M-H]+:474.1519;found:474.1516.
4-(2-氯苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11m)
Figure BDA0001709904690000101
δ201.85,161.69,144.01,135.12,131.11,130.41,129.71,128.75,127.51,114.44,52.31,26.93,26.00,25.79,25.12,20.38.HRMS(ESI)m/z calcd for C26H26ClN5S[M-H]+:474.1519;found:474.1518.
1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-4-(4-甲氧基苯基)-5-硫代吡咯烷-3-甲腈(11n)
Figure BDA0001709904690000102
114.44,108.37,55.19,26.93,25.92,25.80,24.99,20.39.HRMS(ESI)m/z calcd forC27H29N5OS[M-H]+:470.2015;found:470.2013.
1-环己基-4-(2,3-二甲氧基苯基)-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11o)
Figure BDA0001709904690000103
129.29,126.72,108.72,58.18,55.72,50.39,29.48,27.12,25.89,25.68,25.17,20.37.HRMS(ESI)m/z calcd for C28H31N5O2S[M-H]+:500.2120;found:500.2104.
1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-4-(4-硝基苯基)-5-硫代吡咯烷-3-甲腈(11p)
Figure BDA0001709904690000104
1.47-1.35(m,3H),1.28-1.19(m,2H).13CNMR(100MHz,CDCl3),δ202.11,169.39,164.28,163.57,150.13,133.68,115.35,114.58,60.64,52.89,26.47,25.45,24.67,21.48,.HRMS(ESI)m/z calcd for C26H26N6O2S[M-H]+:485.1760;found:485.1758.
1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代-4-(对甲苯基)吡咯烷-3-甲腈(11q)
Figure BDA0001709904690000111
161.75,144.20,138.67,132.77,129.79,128.61,115.31,65.80,60.71,25.93,25.69,25.11,22.66,21.19,20.44.HRMS(ESI)m/z calcd for C27H29N5S[M-H]+:454.2065;found:454.2062.
4-(4-溴苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11r)
31.92,29.70,29.35,26.98,25.90,25.74,25.07,22.68,20.44,14.06.HRMS(ESI)m/zcalcd forC26H26BrN5S[M-H]+:518.1014;found:518.1013.
4-(2-溴苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11s)
Figure BDA0001709904690000113
114.72,58.53,29.64,26.58,26.00,24.64,20.16.HRMS(ESI)m/z calcd for C26H26BrN5S[M-H]+:518.1014;found:518.1011.
1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-4-(4-氟苯基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11t)
Figure BDA0001709904690000114
116.43,112.41,53.79,51.22 25.47,25.32,23.19,22.53,21.37.HRMS(ESI)m/z calcdfor C26H26FN5S[M-H]+:460.1971;found:460.1967.
1-己基-3-(5,6-二氯-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代-4-(对甲苯基)吡咯烷-3-甲腈(11u)
Figure BDA0001709904690000121
MHz,CDCl3),δ204.12,161.86,147.26,139.49,132.35,130.09,128.59,115.00,58.09,52.56,31.63,25.66,25.07,21.30.HRMS(ESI)m/z calcd for C24H23Cl2N5S[M-H]+:494.0973;found:494.0972.
4-(4-氯苯基)-1-环己基-3-(5,6-二氯-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11v)
Figure BDA0001709904690000122
131.11,129.19,128.12,102.76,102.49,56.32,29.73,25.97,25.56,25.01.HRMS(ESI)m/zcalcdfor C24H20Cl3N5S[M-H]+:514.0427;found:514.0419.
4-(4-溴苯基)-1-环己基-3-(5,6-二氯-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11w)
Figure BDA0001709904690000123
203.18,171.48,161.47,146.13,133.39,132.52,131.47,130.32,123.12,114.44,112.77,60.79,28.22,25.43,24.90,20.77,14.09.HRMS(ESI)m/z calcd for C24H19BrCl2N5S[M-H]+:557.9922;found:557.9916.
3-(1H-苯并[d]咪唑-2-基)-4-(2-溴-4-甲氧基苯基)-1-环己基-2-亚氨基-5-硫代吡咯烷-3-甲腈(11x)
Figure BDA0001709904690000124
3H),1.26(t,J=7.0Hz,2H).13C NMR(100MHz,CDCl3)δ171.46,164.19,161.77,144.98,130.82,116.44,116.16,115.05,60.54,25.91,25.78,25.10,21.12,14.20.HRMS(ESI)m/zcalcd for C25H24BrN5OS[M-H]+:464.0545;found:520.0807.
3-(1H-苯并[d]咪唑-2-基)-4-(2-溴苯基)-1-(叔丁基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11y)
Figure BDA0001709904690000131
126.13,114.72,64.68,60.62,54.01,28.24.HRMS(ESI)m/z calcd for C22H20BrN5S[M-H]+:464.0545;found:464.0549.
4-(2-溴苯基)-1-(叔丁基)-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11z)
Figure BDA0001709904690000132
136.49,132.63,130.27,128.99,128.42,126.34,114.40,64.55,53.98,27.94,20.45.HRMS(ESI)m/z calcd for C24H23BrN5S[M-H]+:491.0779;found:491.0785.
4-(2-溴-4-甲氧基苯基)-1-环己基-3-(5,6-二甲基-1H-苯并[d]咪唑-2-基)-2-亚氨基-5-硫代吡咯烷-3-甲腈(11aa)
Figure BDA0001709904690000133
1.72(s,2H),1.49-1.33(m,2H),1.24(d,J=13.0Hz,1H).13C NMR(100MHz,CDCl3)δ160.35,144.42,129.44,126.42,118.32,114.55,55.59,26.00,25.80,25.12,20.43.HRMS(ESI)m/zcalcdfor C27H28BrN5OS[M-H]+:548.1120;found:548.1126.
实施例5抗肿瘤活性测定
采用MTT法分别测试实施例1中的化合物1、化合物2,实施例3中的化合物11a、11b、11c、11d、11f、11g、11h、11i、11g、11k、11l、11m、11n、11o、11p、11q、11r、11s、11t、11u、11v、11w、11x、11y、11z、11aa对人肺癌细胞(A549)、人三阳性乳腺癌细胞(MCF-7)、人三阴性乳腺癌细胞(MDA-MB-231)和正常的人支气管上皮细胞(HBE)的抑制作用。
测试步骤如下:
1.将解冻复苏的待试肿瘤细胞株接种于含10%新生牛血清的DMEM培养基中,置于37℃、5%的CO2饱和湿度培养箱中传代培养,取对数生长期细胞用于实验;
2.取对数生长期待试肿瘤细胞制成1×104/mL单细胞悬液,接种于96孔板中,每孔100uL,置37℃、5%CO2条件下培养24h,待细胞贴壁;
3.移去原培养液,加入5ug/mL浓度的待测化合物的培养基处理细胞,另设空白对照组;将培养板置37℃,5%CO2细胞培养箱常规培养24h;
4.实验终止4h以前,每孔加入5mg/mL的MTT溶液20uL,用PBS配制,pH=7.4,0.22um滤膜过滤除菌,终止培养,吸弃孔内培养上清液。每孔加DCM 100uL/孔,室温下振荡10min;
5.在酶联免疫监测仪上测定各孔吸光度值,选择波长490nm,重复3次;
6.计算各各化合物对肿瘤细胞的抑制率,其中抑制率的计算公式为:
抑制率%=[1-(加药细胞OD-空白组OD)/(对照细胞OD-空白组OD)]×100%。
计算结果如表1所示:
表1化合物对肿瘤和正常细胞株的抑制率a(IC50,单位μg/mL)
Figure BDA0001709904690000141
Figure BDA0001709904690000151
aIC50大于等于50μg/mL标记为“-”
由表1中数据可知,朝格尔碱衍生物1,2对MCF-7,MDA-MB-231细胞株有较好的抑制作用,并且对正常细胞无毒性,具有制备抗肿瘤药物的应用前景。化合物11对细胞增殖的抑制作用非常强。其中,含有卤素基团的硫代咪唑烷酮衍生物的抗肿瘤活性高于含甲基,甲氧基等供电子基团,化合物11c,11e,11m,11k,11s,11u,11v,11w对MCF-7细胞株抑制作用较强;11g,11m,11s对MDA-MB-231细胞株有较好的抑制作用;11c,11e,11f,11g,11u,11v,11w对A549细胞株抑制作用较强。除化合物11s外,该系列化合物对正常细胞的毒性非常大,因此,需要对其结构进行修饰以进一步将其开发成抗肿瘤药物。
11c,11k和11m对MCF-7的IC50达到了纳克级,且分别是其对正常细胞IC50的49.7,9.1和65.5倍;11x对231的IC50也达到了纳克级,是其对正常细胞IC50的2.8倍,在制备新一代抗肺癌和乳腺癌的特异性药物上具有广阔的应用前景。

Claims (3)

1.联二萘酚-朝格尔碱胺希夫碱衍生物,其特征为,其结构为下式之一:
Figure FDA0002136228620000011
2.权利要求1所述联二萘酚-朝格尔碱胺希夫碱衍生物的合成方法,其特征在于,下式1所示化合物、式2所示化合物或下式3所示化合物与下式4所示化合物或下式5所示化合物于容器内在加热条件下反应得所述联二萘酚-朝格尔碱胺希夫碱衍生物
Figure FDA0002136228620000012
3.根据权利要求2所述联二萘酚-朝格尔碱胺希夫碱衍生物的合成方法,其特征在于,所述式1所示化合物、所述式2所示化合物或所述式3所示化合物与所述式4所示化合物的摩尔比为2:1;
所述式1所示化合物、所述式2所示化合物或所述式3所示化合物与所述式5所示化合物的摩尔比为1:1。
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