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恩替卡韦

恩替卡韦

CAS号:142217-69-4
英文名:Entecavir
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化合物简介
恩替卡韦(英语:Entecavir,商品名Baraclude),为抗病毒药物中的核苷类逆转录酶抑制剂,该药物可抑制乙型肝炎病毒的复制和数量。乙型肝炎病毒复制的三个步骤,包括:碱基启动;基因体(mRNA)的逆转复制;及去氧核糖核酸(DNA)的合成,都可以被恩替卡韦所抑制。本品适用于病毒复制活跃,血清转氨酶ALT持续升高或肝脏组织学显示有活动性病变的慢性成人乙型肝炎的治疗。 恩替卡韦在5年的临床试验中还没有发现因不良反应需要停药的病例发生。但在一些特殊病人比如重症肝炎的一定要慎用,因为有可能出现乳酸酸中毒,另外,在恩替卡韦的动物实验中,曾发现在高于正常剂量4倍以上的实验动物中发生了肺部肿瘤,致癌性增加,但在人身上还没有发现有致癌现象,为此,美国FDA长达10年的致癌性研究正在进行中。 服食该药品需要使用前及使用后两小时空肚,以免影响其药效。
基本信息
编号系统
物化性质
安全信息
生产方法及用途
用途
治疗慢性乙型肝炎。
国家/地区名称
海关编码
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中国29339900902019-03查看
上游原料
(1S,2R,3S,5R)-2-[(苄氧甲基)-6-氧杂二环[3.1.0]己-3-醇 9-[(1S,3R,4S)-4-tert-butyldimethylsilyloxy-3-([1,1'-biphenyl]-4-formyloxymethyl)-2-methylene-cyctopentyl]-6-chloro-9H-purine-2-carbamic acid tert-butyl ester (2R,3S,5S)-3-苄氧基-5-[2-[[(4-甲氧基苯基)二苯基甲基]氨基]-6-苄氧基-9H-嘌呤-9-基]-2-苄氧基甲基环戊醇 6-chloro-9-[(1S,3R,4S)-4-hydroxy-3-hydroxymethyl-2-methylene-cyclopentyl]-N-(tert-butyloxycarbonyl)-9H-purine-2-carbamic acid tert-butyl ester ((1R,3R,5S)-5-acetoxy-3-(tert-butyldimethylsilyloxy)-2-methylenecyclopentyl)methyl 4-nitrobenzoate 环戊二烯基钠 (3R,4S)-4-((tert-butyldimethylsilyl)oxy)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylenecyclopentanone 9-[(1S,3R,4S)-4-tert-butyldimethylsilyloxy-3-hydroxymethyl-2-methylene-cyclopentyl]-6-chloro-9H-purine-2-carbamic acid tert-butyl ester tert-butyl(((1S,2R)-3-((tert-butyldimethylsilyl)oxy)-2-((trityloxy)methyl)cyclopent-3-en-1-yl)oxy)diphenylsilane 3-(tert-butyl-diphenyl-silanyloxy)-2-trityloxymethyl-cyclo-pentanone (3S,5R)-5-(tert-butyldimethylsilyloxy)-7-(trimethylsilyl)hept-1-en-6-yn-3-ol 2-氨基-1,9-二氢-9-[(1S,3R,4S)-4-苄氧基-3-苄氧基甲基-2-亚甲基环戊基]-6H-嘌呤-6-酮 3-(tert-butyl-diphenyI-silanyloxy)-2-trityloxymethyl-cyclo-pentanol 9-[(1S,3R,4S)-4-tert-butyldimethylsilyloxy-3-(tert-butyldimethylsilyloxymethyl)-2-methylene-cyclopentyl]-6-chloro-9H-purine-2-amine (1S-反式)-2-[(苯甲氧基)甲基]-3-环戊烯-1-醇 4-(tert-butyl-diphenyl-silanyloxy)-2-methylene-3-trityloxymethyl-cyclopentanol 2-trityloxymethyl-cyclo-2-pentenone (benzyloxymethyl)cyclopenta-2,4-diene ((1R,3R,5S)-5-acetoxy-3-hydroxy-2-methylenecyclopentyl)methyl 4-nitrobenzoate (3aS,4R,5S,6aR)-5-(tert-butyldimethylsilyloxy)-4-(tert-butyldiethylsilyloxy-methyl)-hexahydro-cyclopenta[b]furan-2-ol (1S,3R)-3-(tert-butyldimethylsilyloxy)-1-(oxiran-2-yl)pent-4-yn-1-ol (3S,5R)-5-(tert-butyldimethylsilyloxy)hept-1-en-6-yn-3-ol ((1R,3S,5S)-5-acetoxy-3-(2-amino-6-chloro-9H-purin-9-yl)-2-methylenecyclopentyl)methyl 4-nitrobenzoate (1S,2S,3S,5S)-5-(2-氨基-6-苄氧基-9H-嘌呤-9-基)-3-苄氧基-2-苄氧基甲基环戊醇 (1S,2R,4R)-4-(tert-butyldimethylsilyloxy)-2-(hydroxymethyl)-3-methylenecyclopentyl acetate (2R,3S,5S)-3-苄氧基-5-[2-[[(4-甲氧基苯基)二苯基甲基]氨基]-6-苄氧基-9H-嘌呤-9-基]-2-苄氧基甲基环戊酮 (1S,3R)-3-(tert-butyldimethylsilyloxy)-1-(oxiran-2-yl)pent-4-ynyl acetate tert-butyl 6-(benzyloxy)-9-((4aR,6S,7aS)-5-methylene-2-phenylhexahydrocyclopenta[d][1,3]dioxin-6-yl)-9H-purin-2-ylcarbamate 6-(benzyloxy)-9-((4aR,6S,7aS)-5-methylene-2-phenylhexahydrocyclopenta[d][1,3]dioxin-6-yl)-N-(trimethylsilyl)-9H-purin-2-amine tert-butyl (6-iodo-9-((4aR,6S,7aS)-2-methyl-5-methylenehexahydrocyclopenta[d][1,3]dioxin-6-yl)-9H-purin-2-yl)carbamate (3S,5R)-7-(trimethylsilyl)hept-1-en-6-yne-3,5-diol 2-amino-9-((1S,3R,4S)-3-((benzyloxy)methyl)-4-hydroxy-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one 6-chloro-9-[(1S,3R,4S)-4-hydroxy-3-hydroxymethyl-2-methylene-cyclopentyl]-9H-purine-2-carbamic acid tert-butyl ester 6-(benzyloxy)-9-((1S,3R,4S)-4-((tert-butyldimethylsilyl)oxy)-3-(((tert-butyldimethylsilyl)oxy)methyl)-2-methylenecyclopentyl)-9H-purin-2-amine 6-苄氧基-9-((1S,3R,3S)-4-苄氧基-3-苄氧基甲基-2-亚甲基环戊基)-N-((4-甲氧基苯基)二苯基甲基)-9H-嘌呤-2-胺 2-trityloxymethyl-cyclo-2-pentenol 9-[(1S,3R,4S)-4-tert-butyldimethylsilyloxy-3-(tert-butyldimethylsilyloxymethyl)-2-methylene-cyclopentyl]-6-chloro-9H-purine-2-carbamic acid tert-butyl ester (1R,3r,4s)-4-((叔丁基二甲基甲硅烷基)氧基)-3-(((叔丁基二甲基甲硅烷基)氧基)甲基)-2-亚甲基环戊醇 tert-butyl 2-[bis(tert-butoxycarbonyl)amino]-6-chloro-9H-purine-9-carboxylate 3-(tert-butyl-diphenyl-silanyloxy)-5-hydroxy-2-trityloxymethyl-cyclopentanone 9-[4-(tert-butyl-diphenyl-silanyloxy)-2-methylene-3-trityloxymethyl-cyclopentyl]-6-chloro-9H-purine-2-yl amine tert-butyl 6-iodo-9-((1S,3R,4S)-4-(methoxymethoxy)-3-((methoxymethoxy)methyl)-2-methylenecyclopentyl)-9H-purin-2-ylcarbamate tert-butyl-diphenyl-(2-trityloxymethyl-cycIo-2-pentenyloxy)-silane 6-chloroentecavir tert-butyl 9-((1S,3R,4S)-4-((benzyloxy)methoxy)-3-(((benzyloxy)methoxy)methyl)-2-methylenecyclopentyl)-6-iodo-9H-purin-2-ylcarbamate (1S,2R,3S,5R)-3-(苄氧基)-2-[(苄氧基)甲基]-6-氧杂二环[3.1.0]己烷