Carbocyclic analogs of xylofuranosylpurine nucleosides. Synthesis and antitumor activity
作者:Robert Vince、Jay Brownell、Susan Daluge
DOI:10.1021/jm00376a025
日期:1984.10
xylofuranosyladenine and xylofuranosyl-8-azaadenine were prepared. In contrast to 9-beta-D-xylofuranosyladenine and its 8-aza analogue, the corresponding carbocyclic nucleosides were resistant to deamination by adenosine deaminase. The carbocyclic 8-aza derivative 10 exhibited significant in vivo antitumor activity which varied according to treatment schedule.
(+/-)-4 alpha-Amino-2 alpha,3 beta-dihydroxy-1 alpha-cyclopentanemethanol(6)是木呋喃糖胺的碳环类似物,是由先前报道的4 alpha-acetamido-2 alpha,3 alpha-合成的环氧环戊烷-1α-甲醇。通过与5缩合将胺6转化为(+/-)-4α-[(5-氨基-6-氯-4-嘧啶基)氨基] -2α,3β-二羟基-1α-环戊烷甲醇(7) -氨基-4,6-二氯嘧啶。从7,制备了木呋喃糖基腺嘌呤和木呋喃糖基-8-氮杂腺嘌呤的碳环类似物。与9-β-D-木呋喃糖基腺嘌呤及其8-氮杂类似物相反,相应的碳环核苷对腺苷脱氨酶具有抗脱氨性。碳环8-氮杂衍生物10显示出显着的体内抗肿瘤活性,其根据治疗方案而变化。