CN114437098A - 一种近红外荧光标记的gsh响应型的鬼臼毒素前药的设计与合成 - Google Patents
一种近红外荧光标记的gsh响应型的鬼臼毒素前药的设计与合成 Download PDFInfo
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- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
- 239000002246 antineoplastic agent Substances 0.000 description 3
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- VATYWCRQDJIRAI-UHFFFAOYSA-N p-aminobenzaldehyde Chemical compound NC1=CC=C(C=O)C=C1 VATYWCRQDJIRAI-UHFFFAOYSA-N 0.000 description 2
- 210000004881 tumor cell Anatomy 0.000 description 2
- JXPDNDHCMMOJPC-UHFFFAOYSA-N 2-hydroxybutanedinitrile Chemical compound N#CC(O)CC#N JXPDNDHCMMOJPC-UHFFFAOYSA-N 0.000 description 1
- YYSCJLLOWOUSHH-UHFFFAOYSA-N 4,4'-disulfanyldibutanoic acid Chemical compound OC(=O)CCCSSCCCC(O)=O YYSCJLLOWOUSHH-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种近红外荧光标记的GSH响应型的鬼臼毒素前药的设计与合成,其结构如式所示,
Description
技术领域
本发明属于诊断治疗学领域
背景技术
化疗药物仍然是肿瘤治疗的一线药物,但是治疗方案无法排除个体差异;化疗药物副作用明显;疗效评估滞后。
肿瘤的微环境是其生理、结构和功能的组成部分。肿瘤或***的关系本质上是肿瘤或细胞生长、进展,肿瘤和***的非恶性细胞和分泌蛋白参与了肿瘤的发生和发展。研究表明,肿瘤微环境具有低pH,缺氧,多种酶代谢紊乱。因此应强调肿瘤微环境与肿瘤治疗的临床相关性。提高对这种相互作用的认识,可以为癌症管理、风险评估和诊断治疗提供有价值的参考。
小分子荧光探针具有灵敏度高,选择性好等优点可以用于检测相关物质。如果将小分子荧光探针用于抗肿瘤药物的标记,不仅可以减少相关药物的不良反应,而且可以对药物在体内的定位情况,治疗效果进行示踪报道。而且近红外荧光探针具有发射波长较长(650-900nm),组织穿透能力强,细胞损伤小,生物体自发荧光干扰小等优点,适合生物体内成像。
发明内容
本发明提供一种近红外荧光标记的GSH响应型的鬼臼毒素前药的合成方法,以解决现有问题及提供一种上述化合物在抗肿瘤药物中的应用。
一种近红外荧光标记的GSH响应型的鬼臼毒素前药的合成过程:
Reagents and conditions:(i)malonitrile,piperidine,EtOH,65℃,4h;
(ii)p-aminobenzaldehyde,piperidine,MeCN,90℃,overnight;
(iii)4,4′-disulfanediyldibutyric acid,DMAP/EDC,0℃,DCM;r.t.,overnight;
(vi)podophyllotoxin,DMAP/EDC,0℃,DCM;r.t.,overnight;
制备方法包括如下步骤,
制备方法包括如下步骤,
步骤1.称取A(2.76g,20mmol),B(1.32g,20mmol),用10mL无水乙醇溶解,加入适量哌啶,65℃,反应4小时。停止反应,冷却到室温倾入100mL冰水中,析出褐色固体,抽滤并干燥滤饼得到褐色固体C,产率90%,m.p.120-121℃。1H NMR(600MHz,Chloroform-d)δ7.19(s,1H),2.44(s,3H),2.14(s,2H),1.96(d,J=1.1Hz,2H),0.94(s,6H).MS EI+:196.26(C12H14N2,[M]+).
步骤2.称取C(1.96g,10mmol),D(1.21g,10mmol),加入10mL乙腈作溶剂,适量哌啶作催化剂,90℃反应过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=4∶1),得到红褐色固体E,产率80%。m.p.160℃。1H NMR(600MHz,Chloroform-d)δ7.66(d,J=7.2Hz 2H),6.85(m,J=7.1Hz 2H),7.31(d,J=7.0Hz 2H),6.3(s,1H),5.48(s,2H).1.82(d,J=1.3Hz 4H),1.00(s,6H),MS EI+:289.38(C19H19N3,[M]+).
步骤3.称取化合物F(95.4mg,0.4mmol),EDC(143mg,0.75mmol),DMAP(5.5mg,0.045mmol)溶于无水二氯甲烷(10mL)中,冰浴活化1h,然后加入化合物E(116mg,0.4mmol),常温搅拌过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=1∶1),得到黄色固体G,产率20%。m.p.180℃。1H NMR(600MHz,Chloroform-d)δ12.01(s,1H),10.01(s,1H),7.91(d,J=7.2Hz 2H),7.55(m,J=7.1Hz,2H),6.85(d,J=7.0Hz,2H),6.3(s,1H),2.54(m,J=1.5Hz,4H).2.39(d,J=1.3HZ,2H),2.3(d,J=1.3HZ,2H),1.97(d,J=1.3HZ,2H),1.86(d,J=1.3HZ,2H),1.82(d,J=1.3Hz 4H),1.00(s,6H),MS EI+:509.7(C27H31N3O3S2[M]+).
步骤4.称取化合物G(50.9mg,0.1mmol),EDC(19mg,0.1mmol),DMAP(12mg,0.1mmol)溶于无水二氯甲烷(10mL)中,冰浴活化1h,然后加入化合物H(40mg,0.1mmol),常温搅拌过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=2∶1)得到最终的结构式如I所示的化合物。产率10%。m.p.230-231℃。1H NMR(600MHz,Chloroform-d)δ10.2(s,1H),7.91(d,J=7.2Hz 2H),7.75(m,J=7.1Hz 2H),6.85(d,J=7.0Hz 2H),6.62(d,J=7.2HZ,2H),6.2(s,1H),6.0(s,2H),5.9(m,J=2.85Hz,1H),3.83(dd,J=0.85Hz,6H),3.7(s,3H),3.58(m,J=1.37Hz,4H),2.9(m,J=1.3Hz,2H),2.54(m,J=1.5Hz,4H).2.39(d,J=1.3HZ,2H),2.2(m,J=0.87Hz,1H),2.3(d,J=1.3HZ,2H),1.97(d,J=1.3HZ,2H),1.86(d,J=1.3HZ,2H),1.82(d,J=1.3Hz4H),1.7(m,J=1.1Hz,1H),1.00(s,J=0.37Hz 6H),MS EI+:892.1(C49H53N3O9S2[M]+).
以上详细描述了本发明的优选实施方式,但是,本发明并不限于上述实施方式中的具体细节,在本发明的技术构思范围内,可以对本发明的技术方案进行多种等同变换,这些等同变换均属于本发明的保护范围。另外需要说明的是,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合。为了避免不必要的重复,本发明对各种可能的组合方式不再另行说明。此外,本发明的各种不同的实施方式之间也可以进行任意组合,只要其不违背本发明的思想,其同样应当视为本发明所公开的内容。
Claims (2)
2.一种近红外荧光标记的GSH响应型的鬼臼毒素前药的合成方法,结构如式所示
制备方法包括如下步骤,
步骤1.称取A(2.76g,20mmol),B(1.32g,20mmol),用10mL无水乙醇溶解,加入适量哌啶,65℃,反应4小时。停止反应,冷却到室温倾入100mL冰水中,析出褐色固体,抽滤并干燥滤饼得到C。
步骤2.称取C(1.96g,10mmol),D(1.21g,10mmol),加入10mL乙腈作溶剂,适量哌啶作催化剂,90℃反应过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=4∶1),得到红褐色固体E。
步骤3.称取化合物F(95.4mg,0.4mmol),EDC(143mg,0.75mmol),DMAP(5.5m g,0.045mmol)溶于无水二氯甲烷(10mL)中,冰浴活化1h,然后加入化合物E(116mg,0.4mmol),常温搅拌过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=1∶1),得到黄色固体G。
步骤4.称取化合物G(50.9mg,0.1mmol),EDC(19mg,0.1mmol),DMAP(12m g,0.1mmol)溶于无水二氯甲烷(10mL)中,冰浴活化1h,然后加入化合物H(40mg,0.1mmol),常温搅拌过夜。停止反应,用二氯甲烷和水萃取,合并有机相,有机层用无水硫酸钠干燥,硅胶柱层析(洗脱剂VPE∶VAcOEt=2∶1)得到最终的结构式如I所示的化合物。
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CN114539275A (zh) * | 2020-11-26 | 2022-05-27 | 南京碳硅人工智能生物医药技术研究院有限公司 | 基于喜树碱对h2o2响应的荧光标记前药的设计与合成 |
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CN103804388A (zh) * | 2014-01-29 | 2014-05-21 | 邹忠梅 | 4β-氮取代呋喃叔胺类鬼臼毒素衍生物及其制备方法与应用 |
CN104945409A (zh) * | 2015-05-15 | 2015-09-30 | 东华大学 | 一种抗肿瘤活性化合物鬼臼毒素ppt的前药及其制备方法 |
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CN104945409A (zh) * | 2015-05-15 | 2015-09-30 | 东华大学 | 一种抗肿瘤活性化合物鬼臼毒素ppt的前药及其制备方法 |
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