Synthesis and anti-HIV activity of carbocyclic 2',3'-didehydro-2',3'-dideoxy 2,6-disubstituted purine nucleosides
作者:Robert Vince、Mei Hua
DOI:10.1021/jm00163a004
日期:1990.1
5-[(4-chlorophenyl)azo] derivative of the resulting pyrimidine (3a) and reduction of the azo moiety with zinc and acetic acid. The carbocyclic analogue of 2',3'-didehydro-2',3'-dideoxy 2-amino-6-chloropurine (6a) and the corresponding 8-azapurine (9a) were prepared from 5a. The carbocyclic 2',3'-didehydro-2',3'-dideoxy analogues of guanine (7a) and 2,6-diaminopurine (8a), and 8-azaguanine (10a) and 8-aza-2
由2-氨基-4,6-二氯嘧啶和顺式-4-合成(+-)-顺-[4-[(2,5-二氨基-6-氯嘧啶基)氨基] -2-环戊烯基]甲醇(5a)通过随后制备所得嘧啶(3a)的5-[(4-氯苯基)偶氮]衍生物并用锌和乙酸还原偶氮部分来制备(羟甲基)环戊烯基胺(2a)。由5a制备2′,3′-二氢-2′,3′-二脱氧2-氨基-6-氯嘌呤(6a)的碳环类似物和相应的8-氮杂嘌呤(9a)。鸟嘌呤(7a)和2,6-二氨基嘌呤(8a)和8-氮杂鸟嘌呤(10a)和8-氮杂-2,6-二氨基嘌呤的碳环2',3'-didehydro-2',3'-dideoxy类似物(11a)分别由6a和9a制备。对应的2',3' 按照相同的方案,从顺式-4-(羟甲基)环戊胺(2b)开始,制备2-氨基-6-取代的嘌呤碳饱和的2-氨基系列取代的碳环核苷。碳环2',3'-didehydro-2',3'-dideoxyguanosine(car