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半富马酸替诺福韦艾拉酚胺的合成工艺优化
Authors
吴振
周玥莹
+4 more
曾皓月
王立强
裘京晓
黄程勇
Publication date
17 July 2019
Publisher
Abstract
对最新抗乙肝药物半富马酸替诺福韦艾拉酚胺(TAF)的合成工艺进行优化研究.以腺嘌呤(1)为原料,与(R)-碳酸丙烯酯反应得到(R)-9-(2-羟丙基)腺嘌呤.然后,将产物经磷叶立德取代,水解反应得到(R)-9-((2-磷酸单苯酯基)甲氧基)丙基)-腺嘌呤.最后,将所得产物经取代、酰化、缩合、成盐反应得到目标产物TAF,并对各步反应条件进行优化.结果表明:总收率达32.1%(以腺嘌呤计),较原工艺提高23.1%,目标化合物及主要中间体经电子轰击质谱(EI-MS)、核磁共振氢谱(1H-NMR)、核磁共振碳谱(13C-NMR)确证结构;与现有文献报道的TAF合成工艺相比,优化后的工艺总收率大幅提高,反应成本降低,反应时间缩短,可避免生产过程中的安全隐患,适合工业化生产.国家重点研发计划项目(2016YFE0101700
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Last time updated on 20/11/2020