1,7-Dideaza-2?,3?-dideoxyadenosine: Syntheses of Pyrrolo[2,3-b]pyndine 2?,3?-Dideoxyribofuranosides and Participation of Purine N(1) during HIV-1 Reverse Transcriptase Inhibition
作者:Frank Seela、Rainer Gumbiowski
DOI:10.1002/hlca.19910740514
日期:1991.8.7
The syntheses of 1,7-dideaza-2′,3′-dideoxyadenosine (1) and related pyrrolo[2,3-b]pyridine 2′,3′-dideoxyribi and 2′,3′-didehydro-2′,3′-dideoxyribonucleosides (see 2–5) are described. As starting materials, 2′-deoxyribo-nucleosides 6 or 7 were used. The 3′-OH group was removed by Barton deoxygenation or via mesylation follow by elimination and catalytic hydrogenation. Compound 1 was also obtained from
1,7-dideaza-2',3'-dideoxyadenosine(1)和相关的吡咯并[2,3- b ]吡啶2',3'-dideoxyribi和2',3'-didehydro-2',3的合成描述了'-双脱氧核糖核苷(见2-5)。作为起始原料,使用2'-脱氧核糖核苷6或7。通过Barton脱氧或通过甲磺化除去3'-OH基,然后进行消除和催化氢化。化合物1还从4-硝基-1-直接糖基化得到ħ吡咯并[2,3- b ]吡啶(17)与2,3- dideoxyribofuranosyl氯化物18的三磷酸25的1仅显示出抗HIV-1逆转录酶的边际活性,表明嘌呤N(1)是必需的父2',3'-二脱氧腺苷的抑制活性。