Synthesis, cytotoxicity, and antiviral activity of certain 7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine nucleosides related to toyocamycin and sangivamycin
作者:Pranab K. Gupta、M. Reza Nassiri、Lisa A. Coleman、Linda L. Wotring、John C. Drach、Leroy B. Townsend
DOI:10.1021/jm00127a003
日期:1989.7
7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine derivatives related to the nucleoside antibiotics toyocamycin and sangivamycin were prepared and tested for their biological activity. Treatment of the sodium salt of 4-amino-6-bromo-5-cyanopyrrolo[2,3-d]pyrimidine (1) with (2-acetoxyethoxy)methyl bromide (2) afforded a mixture of 4-amino-6-bromo-5-cyano-7-[(2-acetoxyethoxy)methyl]pyrrolo[2,3-d] pyrimidine
制备了许多与核苷抗生素Toyocamycin和Sangivamycin有关的7-[((2-羟基乙氧基)甲基]吡咯并[2,3-d]嘧啶衍生物,并对其生物学活性进行了测试。用(2-乙酰氧基乙氧基)甲基溴(2)处理4-氨基-6-溴-5-氰基吡咯并[2,3-d]嘧啶(1)的钠盐,得到4-氨基-6-溴的混合物-5-氰基-7-[(2-乙酰氧基乙氧基)甲基]吡咯并[2,3-d]嘧啶(3)和相应的N1异构体。将该混合物脱溴,得到相应的4-氨基-5-氰基-7-[(2-乙酰氧基乙氧基)-甲基]吡咯并[2,3-d]嘧啶(4)和4-氨基-5-氰基-1- [(2-乙酰氧基乙氧基)甲基]吡咯并[2,3-d]嘧啶e(5)。4和5的脱乙酰基分别提供4-氨基-5-氰基-7-[(2-羟基乙氧基)甲基]吡咯并[2,3-d]嘧啶(6)和相应的N1异构体(7)。基于UV光谱研究和13 C NMR光谱,指定了6和7的无环部分的连接位