S-Adenosylhomocysteine analogues, 1-(5, 6-dideoxy-6-nitro-β-D-ribo-hexofuranosyl) uracil (7a), 9-(5, 6-dideoxy-6-nitro-β-D-ribo-hexofuranosyl) adenine (7b), 4-(5'-deoxyuridin-5'-yl)-4-nitrobutyronitrile (15) and 4-(5'-deoxyadenosin-5'-yl)-4-nitrobutyramide (20) were synthesized as potential inhibitors of S-adenosylmethionine (SAM)-dependent methyltransferases and S-adenosylhomocysteine hydrolases. The chemistry developed for the preparation of these compounds should be useful in the total synthesis of the nucleoside antibiotics sinefungin and A9145C, which are potent inhibitors of certain SAM-dependent methyltransferases.
S-
腺苷同型半胱
氨酸类似物,1-(5, 6-脱氧-6-硝基-β-D-戊糖-己糖苷)尿
嘧啶(7a)、9-(5, 6-脱氧-6-硝基-β-D-戊糖-己糖苷)
腺嘌呤(7b)、4-(
5'-脱氧尿苷-5'-基)-
4-硝基丁腈(15)和4-(5'-脱氧
腺苷-5'-基)-4-硝基丁酰胺(20)被合成作为S-
腺苷甲
硫氨酸(S
AM)依赖性甲基转移酶和S-
腺苷同型半胱
氨酸
水解酶的潜在
抑制剂。为这些化合物的合成所开发的
化学方法应对核苷抗生素Sinefungin和A9145C的全合成有帮助,后者是某些S
AM依赖性甲基转移酶的强效
抑制剂。