Practical Synthesis of an Orally Active CCR5 Antagonist, 7-{4-[2-(Butoxy)- ethoxy]phenyl}-<i>N</i>-(4-{[methyl(tetrahydro-2<i>H</i>-pyran-4-yl)amino]methyl}phenyl)- 1-propyl-2,3-dihydro-1<i>H</i>-1-benzazepine-4-carboxamide
作者:Tomomi Ikemoto、Tatsuya Ito、Atsuko Nishiguchi、Syotaro Miura、Kiminori Tomimatsu
DOI:10.1021/op0497916
日期:2005.3.1
synthesizing 7-4-[2-(butoxy)ethoxy]phenyl}-N-(4-[methyl(tetrahydro-2H-pyran-4-yl)amino]methyl}phenyl)-1-propyl-2,3-dihydro-1H-1-benzazepine-4-carboxamide (8), an orally active CCR5 antagonist, has been developed. Methyl 7-bromo-1-propyl-2,3-dihydro-1H-1-benzazepine-4-caboxylate (14a) was synthesized in good yield by the esterification of 4-[(4-bromo-2-formylphenyl)(propyl)amino]butanoic acid (13) followed
合成7- 4- [2-(丁氧基)乙氧基]苯基} -N-(4-[甲基(四氢-2 H-吡喃-4-基)氨基]甲基}苯基)-1-的实用方法已开发出口服活性CCR5拮抗剂丙基2,3-二氢-1 H -1-苯并ze庚因-4-羧酰胺(8)。通过4-[(4-溴-2-甲酰基苯基)()的酯化反应以高收率合成了7-溴-1-丙基-2,3-二氢-1 H -1-苯并ze庚因-4-羧酸甲酯(14a)。丙基)氨基]丁酸(13),然后在一个锅中与28%甲醇钠的碳酸二甲酯溶液作为溶剂进行分子内Claisen型反应。14a和1-溴-4-(2-丁氧基乙氧基)苯的Suzuki-Miyaura反应(10)然后水解和酰胺化得到8。建立了一种无需色谱纯化的廉价新方法。