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RSV抑制剂BMS-433771中间体的合成

Synthesis of Intermediate for RSV Inhibitor BMS-433771
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摘要 1-环丙基-1,3-二氢咪唑并[4,5-C]吡啶-2-酮是人类呼吸道合胞病毒(RSV)抑制剂BMS-433771的关键中间体,以此为基础可以合成一系列氮杂双咪唑酮类RSV抑制剂。以4-羟基吡啶为原料,经硝化、氯化和亲核取代反应、氢化、环化4步反应得到1-环丙基-1,3-二氢咪唑并[4,5-C]吡啶-2-酮,其结构经^(1)H NMR表征确证。该合成工艺操作简单,杂质少,具有工业化应用前景。 1-Cyclopropyl-1,3-dihydroimidazolo[4,5-C]pyridinone-2-one is a key intermediate of human respirato-ry syncytial virus(RSV)inhibitor BMS-433771,on the basis of thisintermediate a series of azodimidazolidone RSV inhibitors can be synthesized.Using 4-hydroxypyridine as the raw material,1-cyclopropyl-1,3-dihydroimidazolo[4,5-C]pyridinone-2-one was obtained by nitration,one pot reaction of chlorination and nucleophilic substitution,hydrogenation and cyclization,the structure of the final product was confirmed by^(1)H NMR.The synthetic process is easy to operate with less impurities,so it is suitable for industrial production.
作者 刘剑伟 于雯清 周佳 余雅宁 张全升 花现 钟欣怡 LIU Jian-wei;YU Wen-qing;ZHOU Jia;YU Ya-ning;ZHANG Quan-sheng;HUA Xian;ZHONG Xin-yi(Weifang Huitao Chemical Co.,Ltd.,Weifang 261200,China;College of Science&Technology,Ningbo University,Cixi 315302,China)
出处 《精细化工中间体》 CAS 2023年第3期34-37,共4页 Fine Chemical Intermediates
关键词 氮杂双咪唑酮 RSV抑制剂 4-羟基吡啶 BMS-433771 azabimidazolone RSV inhibitor 4-hydroxypyridine BMS-433771
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