Synthesis of Non-nucleoside Analogs of Toyocamycin, Sangivamycin, and Thiosangivamycin: Influence of Various 7-Substituents on Antiviral Activity
作者:Thomas E. Renau、Linda L. Wotring、John C. Drach、Leroy B. Townsend
DOI:10.1021/jm950444j
日期:1996.1.1
methanolic ammonia affording the 7-substituted 4-amino-6-bromopyrrolo++-[2,3-d]pyrimidine-5-carbonitrile derivatives 3a-k. Debromination of 3a-k, via catalytic hydrogenation, gave the corresponding 7-substituted 4-aminopyrrolo[2,3-d]pyrimidine-5-carbonitrile analogs 4a-j,l. A selective reduction of 4-amino-6-bromo-7-allylpyrrolo[2,3-d]-pyrimidine-5-carbon ril e (3k) in zinc and acetic acid furnished
制备了许多与核苷抗生素Toyocamycin和sangivamycin相关的7-取代的4-氨基吡咯并[2,3-d]嘧啶-5-腈,-5-羧酰胺和-5-硫代羧酰胺衍生物,并测试了它们对人的活性。巨细胞病毒(HCMV)和1型单纯疱疹病毒(HSV-1)。用原甲酸三乙酯处理2-氨基-5-溴-3,4-二氰基吡咯(1),然后通过钠盐法用各种烷基化剂烷基化,得到相应的1-取代的吡咯2a-k。用甲醇氨实现环环化,得到7-取代的4-氨基-6-溴吡咯并++-[2,3-d]嘧啶-5-腈衍生物3a-k。通过催化氢化使3a-k脱溴,得到相应的7-取代的4-氨基吡咯并[2,3-d]嘧啶-5-腈类似物4a-j,1。在锌和乙酸中选择性还原4-氨基-6-溴-7-烯丙基吡咯并[2,3-d]-嘧啶-5-碳原子(3k),得到4-氨基-7-烯丙基吡咯并[2, 3-d]嘧啶-5-腈(4k)。涉及4的5-氰基的常规官能团转化提供了5-羧