CN115109033B - 一种1,8-萘二甲酰亚胺衍生物的合成及生物活性研究 - Google Patents
一种1,8-萘二甲酰亚胺衍生物的合成及生物活性研究 Download PDFInfo
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Abstract
本发明公开了一种1,8‑萘二甲酰亚胺衍生物的合成及生物活性研究,属于抗肿瘤药物的合成技术领域。本发明的技术方案要点为:该1,8‑萘二甲酰亚胺衍生物具有结构
Description
技术领域
本发明属于抗肿瘤药物合成技术领域,具体涉及一种1,8-萘二甲酰亚胺衍生物的合成及生物活性研究。
背景技术
癌症恶性程度高、易转移、复发率高、治愈率低,已经成为威胁人类健康的头号杀手。目前很多癌症的治疗仍以外科手术为首选,但是手术后易于复发转移的特点极大地影响了其疗效和预后;而对于不适合接受外科手术的局部进展或远处转移患者,传统的化疗、放疗的疗效不佳,因此寻找积极有效的癌症治疗方法已经成为科研工作者的研究重点,特别是研发高效、低毒的抗癌药物尤为重要。近年来,随着现代生物技术的迅速发展,生命科学进入了分子生物学时代并带动了相关学科的发展。基于核酸的嵌入剂,切断剂小分子药物的设计与合成被应用到抗肿瘤药物的开发中,由于癌变细胞与正常细胞DNA的差异性,DNA嵌入剂在治疗肿瘤方面作用显著,萘酰亚胺类衍生物具有特殊的平面刚性结构,使其拥有较强的嵌入DNA的能力,在抗肿瘤药物研发领域备受关注。一些单萘酰亚胺如氨萘非特、米托萘胺及双萘酰亚胺等已经进入临床研究阶段。氨萘非特和米托萘胺不但能够嵌入DNA,抑制DNA和RNA的合成,还能够抑制拓扑异构酶II的活性,进而抑制肿瘤细胞的分裂。此外,双萘酰亚胺类化合物能够双嵌入DNA,对G-C碱基序列有专一性,与单萘酰亚胺相比表现出更强的DNA结合力和更大的细胞毒性,例如DMP-840能够有效的抑制两种人类实体瘤-DLD-2结肠癌和MX-1乳腺癌,并且具有良好的水溶性;不带任何取代基的LU-79553也能够对多种肿瘤细胞具有良好的抑制作用,由此可见针对萘酰亚胺类衍生物的抗肿瘤活性研究前景良好。
发明内容
本发明解决的技术问题是提供了一种操作简单易行、原料廉价易得、反应效率较高且对肿瘤细胞具有良好抑制效果的1,8-萘二甲酰亚胺衍生物及其制备方法。
本发明为解决上述技术问题采用如下技术方案,一种1,8-萘二甲酰亚胺衍生物,其特征在于具有如下结构:其中R为烷基或烯烃或带有不同取代基的芳基,苄基,杂环。
本发明所述的1,8-萘二甲酰亚胺衍生物的制备方法,其特征在于化合物的具体制备过程包括以下步骤:
(1)、1,8-萘二酸苷与氨水反应得到1,8-萘二酰胺;
(2)、1,8-萘二酰胺与溴丙炔反应得到N-丙炔基1,8-萘二酰胺;
(3)、N-丙炔基1,8-萘二酰胺与带有叠氮的化合物反应得到目标化合物。
进一步限定,步骤(1)的具体过程为:在反应瓶中,把一定量的1,8-萘二酸苷加入到饱和的氨水中,在室温条件下搅拌得到黄色的混合液体,缓慢加热到70℃,保持该温度反应,TLC监控原料反应完全后停止加热,缓慢降至室温,有固体析出,过滤反应液,滤饼用水洗涤至中性,然后在60℃条件下烘干得到1,8-萘二酰胺,所述的1,8-萘二酸苷与氨水的质量比为1:10~20。
进一步限定,步骤(2)的具体过程为:在反应瓶中加入1,8-萘二酰胺,用DMF溶解后,依次加入3-溴丙炔、碳酸钾,氮气保护,100℃反应过夜,TLC检测反应完成,反应液趁热过滤,滤液室温冷却有固体析出,抽滤,滤饼用少量DMF洗涤,取滤饼烘干即得白色固体化合物N-丙炔基1,8-萘二酰胺。
进一步限定,步骤(3)的具体过程为:在反应瓶中,依次加入N-丙炔基1,8-萘二酰胺、带有叠氮结构的活性基团,叔丁醇,水,四氢呋喃,五水硫酸铜和抗坏血酸钠,在70℃条件下反应一段时间,原料反应完全,加入二氯甲烷,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到目标化合物;所述的N-丙炔基1,8-萘二酰胺与叠氮结构的活性基团的摩尔比为1:1~2。
本发明通过把1,8-萘二酰胺和其他活性基团连接起来,得到了一系列结构新颖的化合物,该类化合物具有优异的抗肿瘤性能,能够较好地应用于药物中,并且该类化合物制备过程中工艺简单,易于控制且目标产物收率较高。
具体实施方式
以下通过实施例对本发明的上述内容做进一步详细说明,但不应该将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容实现的技术均属于本发明的范围。
实施例1
在反应瓶中,把1,8-萘二酸苷(化合物1,50g,0.25mol)加入到饱和的氨水1000mL中,在室温条件下搅拌10min得到黄色的混合液体,缓慢加热到70℃,保持该温度反应90min,TLC监控原料反应完全后停止加热,缓慢降至室温,有固体析出,过滤反应液,滤饼用水500mL洗涤至中性,然后在60℃条件下烘干得到1,8-萘二酰胺(化合物2,44g)。
实施例2
在反应瓶中加入化合物3(10.00g,50.71mmol),用DMF(150mL)溶解后,依次加入3-溴丙炔(55.78mmol)、碳酸钾(21.02g,152.13mmol),氮气保护,100℃反应过夜,TLC检测反应完成。反应液趁热过滤,滤液室温冷却有固体析出,抽滤,滤饼用少量DMF洗涤,取滤饼烘干即得白色固体化合物3(9.65g)。
实施例3
在反应瓶中,把1,8-萘二酸苷(化合物1,5g,0.025mol)加入到N,N-二甲基甲酰胺30mL中,配制成溶液A;再把在3-胺基丙炔(0.03mol)加入吡啶30mL中,溶解配置成溶液B;把A和B同时以流速10mL/min通入微通道反应器中,反应器温度设置为40℃,收集反应器排出的反应液,收集完后浓缩,然后加入甲醇和正己烷的混合液,有固体析出,过滤反应液,滤饼用水50mL洗涤后在60℃条件下烘干得到N-炔丙基1,8-萘二酰胺(5.34g)。
实施例4
在反应瓶中,把1,8-萘二酸苷(化合物1,5g,0.025mol)加入到N,N-二甲基甲酰胺50mL中,配制成溶液A;再把在3-溴丙炔(0.035mol)加入到饱和的氨水100mL中,溶解配置成溶液B;把A和B同时分别以流速5mL/min和10mL/min通入微通道反应器中,反应器温度设置为50℃,收集反应器排出的反应液,收集完后真空浓缩,然后加入甲醇和正己烷的混合液,有固体析出,过滤反应液,滤饼用水50mL洗涤后在60℃条件下烘干得到N-炔丙基1,8-萘二酰胺(5.27g)。
实施例5
在反应瓶中,依次加入化合物3(1g)、带有叠氮结构的药物分子齐多夫定1.5g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应12h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到黄色固体,用乙醇重结晶,得到化合物4(0.6g),LC-MS(ESI):m/z 502[M+H]+。
实施例6
在反应瓶中,依次加入化合物3(1g)、2-氟苯基叠氮1g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应6h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到淡黄色的化合物5(1.3g)。1H NMR(600MHz,DMSO-d6)δ8.57-8.52(m,3H),8.50(d,J=7.8Hz,2H),7.90(t,J=7.2Hz,2H),7.78(t,J=7.2Hz,1H),7.57(t,J=5.4Hz,1H),7.53(t,J=8.4Hz,1H),7.40(t,J=7.2Hz,1H),5.43(s,2H).13C NMR(150MHz,DMSO-d6)δ163.77,135.03,131.84,131.69,131.63,131.41,128.02,127.75,126.39,125.96,125.94,125.18,122.54,117.61,117.48,35.71.
实施例7
在反应瓶中,依次加入化合物3(1g)、3-氟苯基叠氮1g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应6h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到化合物6(0.9g)。1HNMR(400MHz,DMSO)δ8.79(s,1H),8.51(dd,J1=7.2Hz,J2=1.2Hz,2H),8.47(dd,J1=8.4Hz,J2=1.8Hz,2H),7.90-7.86(m,2H),7.79-7.73(m,2H),7.62-7.54(m,1H),7.32-7.26(m,1H),5.40(s,2H).13C NMR(100MHz,DMSO-d6)δ163.74,145.23,135.00,132.28,132.15,131.83,131.42,127.98,127.74,122.52,121.83,116.21,115.59,107.89,107.63,35.84.
实施例8
在反应瓶中,依次加入化合物3(1g)、4-氟苯基叠氮1g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应6h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到化合物7(1.1g)。1HNMR(400MHz,DMSO-d6)δ8.72(s,1H),8.52(d,J=7.2Hz,2H),8.48(d,J=8.0Hz,2H),7.92-7.86(m,4H),7.39(t,J=8.8Hz,2H),5.40(s,2H).13C NMR(100MHz,DMSO-d6)δ163.73,144.99,135.01,131.83,131.41,128.02,127.73,122.73,122.64,122.53,121.94,117.20,116.97,35.87.
实施例9
在反应瓶中,依次加入化合物3(1g)、2-溴苯基叠氮1g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应6h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到淡黄色的化合物8(0.61g)。1H NMR(600MHz,DMSO-d6)δ8.54(d,J=7.2Hz,2H),8.49(d,J=8.4Hz,2H),8.47(s,1H),7.90(t,J=7.8Hz,2H),7.87(d,J=7.8Hz,1H),7.59(dd,J1=7.8Hz,J2=1.8Hz,1H),7.57(t,J=7.2Hz,1H),7.52(td,J1=7.8Hz,J2=1.8Hz,1H),5.43(s,2H).13C NMR(150MHz,DMSO-d6)δ163.73,143.62,136.65,135.03,134.06,132.31,131.85,131.44,129.32,129.11,128.01,127.76,125.75,122.53,119.19,35.68.
实施例10
在反应瓶中,依次加入化合物3(1g)、厄洛替尼叠氮2g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应12h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到淡黄色的化合物9(2.05g),LC-MS(ESI):m/z 646[M+H]+。
实施例11
收集生长期的肺癌细胞A549和H460,取0.25%胰蛋白酶消化液使其贴壁细胞脱落,制成细胞悬液,计数约4×104个/ml。将细胞悬液依次注入96孔板上(180μL/孔),将96孔板紧接着放入5%CO2的37℃培养箱中,培养24小时后,分别加入阿霉素和目标化合物的DMF溶液(20μL/孔),再加入含10%血清的培养液80μL,随后将96孔板再次放入5%CO2的37℃培养箱中继续培养48h后。将MTT加入96孔板中(20μL/孔),置于培养箱中4h。然后吸去上清液,加入每孔加入150μLDMSO,置于平板摇床摇晃6min。用酶联免疫检测仪检测波长470nm处每孔的吸光值(OD值)。使用Graphpad Prism 5.0使用非线性回归计算化合物IC50值。
化合物4,5,6,7,8,9针对A549的活性分别为11.91,19.35,24.62,14.76,36.17,6.94uM;针对H460的抑制活性分别为30.66,16.76,36.12,12.37,15.83,10.35uM。
以上实施例仅为说明本发明的技术思想,不能以此限定本发明的保护范围,凡是按照本发明提出的技术思想,在技术方案基础上所做的任何改动,均落入本发明保护范围之内。
Claims (2)
1.1,8-萘二甲酰亚胺衍生物在制备抗肺癌细胞A549药物中的应用,所述1,8-萘二甲酰亚胺衍生物为化合物4,化合物4采用如下方法制备得到:
在反应瓶中,把1,8-萘二酸苷0.025mol加入到N,N-二甲基甲酰胺30mL中,配制成溶液A;再把在3-胺基丙炔0.03mol加入吡啶30mL中,溶解配置成溶液B;把A和B同时以流速10mL/min通入微通道反应器中,反应器温度设置为40℃,收集反应器排出的反应液,收集完后浓缩,然后加入甲醇和正己烷的混合液,有固体析出,过滤反应液,滤饼用水50mL洗涤后在60℃条件下烘干得到N-炔丙基1,8-萘二酰胺;
在反应瓶中,依次加入N-炔丙基1,8-萘二酰胺1g、带有叠氮结构的药物分子齐多夫定1.5g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应12h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到黄色固体,用乙醇重结晶,得到化合物4。
2.1,8-萘二甲酰亚胺衍生物在制备抗肺癌细胞H460药物中的应用,所述1,8-萘二甲酰亚胺衍生物为化合物9,化合物9采用如下方法制备得到:
在反应瓶中,把1,8-萘二酸苷0.025mol加入到N,N-二甲基甲酰胺30mL中,配制成溶液A;再把在3-胺基丙炔0.03mol加入吡啶30mL中,溶解配置成溶液B;把A和B同时以流速10mL/min通入微通道反应器中,反应器温度设置为40℃,收集反应器排出的反应液,收集完后浓缩,然后加入甲醇和正己烷的混合液,有固体析出,过滤反应液,滤饼用水50mL洗涤后在60℃条件下烘干得到N-炔丙基1,8-萘二酰胺;
在反应瓶中,依次加入N-炔丙基1,8-萘二酰胺1g、厄洛替尼叠氮2g,叔丁醇20mL,水20mL,四氢呋喃20mL,五水硫酸铜0.5g和抗坏血酸钠1g,在70℃条件下反应12h,原料反应完全,加入二氯甲烷50mL,过滤反应液,得到黄色液体,分出有机相,水相用二氯甲烷20mL萃取两次,合并有机相经无水硫酸镁干燥后,蒸除溶剂得到固体,用乙醇重结晶,得到淡黄色的化合物9。
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