Synthesis of 1-(3-azido-2,3-dideoxy-β- d -allofuranosyl)thymine, 1-(2,3-dideoxy-β- d -allofuranosyl)thymine, and 1-(2,3-dideoxy-β- d - erythro -hex-2-enofuranosyl)thymine
作者:Hubert Hřebabecký、Antonín Holý
DOI:10.1016/0008-6215(92)84160-t
日期:1992.9
3-dideoxy-β- d -erythro-hexofuranosyl)thymine (13) and 1-(3,5,6-tri-O-benzoyl-2-deoxy- β- d -arabino-hexofuranosyl)thymine (7). Reaction of 5 with a Cu/Zn couple gave 1-(5,6-di-O-benzoyl-2,3-dideoxy-β- d -erythro-hex-2-enofuranosyl)thymine (15). 1-(2,3-Dideoxy-β- d - erythro-hexofuranosyl)thymine (14) and 1-(2,3-dideoxy-β- d -erythro-hex-2-enofuranosyl)thymine (16) were obtained by debenzoylation.
摘要将1-(2-O-乙酰基-3,5,6-三-O-苯甲酰基-β-d-葡萄糖基呋喃糖基)胸腺嘧啶(1)通过选择性脱乙酰,甲磺酰化,和用1,8-二氮杂双环[5.4.0]十一碳-7-烯处理。用溴化氢或氯化氢裂解4中的2,2'-脱水环分别生成2'-溴(5)或2'-氯(6)衍生物。用三丁基锡烷对6进行脱卤,然后进行脱苯甲酰化,得到1-(2-脱氧-β-d-阿拉伯糖基-呋喃糖基)胸腺嘧啶(8)。异丙基化为8,然后进行甲磺酰化,叠氮化物置换和脱保护,得到1-(3-叠氮基-2,3-二脱氧-β-d-核糖呋喃糖基)胸腺嘧啶(12)。用Dowex 1(IO4-)树脂氧化12,然后用Dowex 1(BH4-)还原,得到1-(3-叠氮基-2,3-二脱氧-β-d-赤型-五氟呋喃糖基)胸腺嘧啶(AZT)。5的催化加氢得到1-(5,6-二-O-苯甲酰基-2,3-二脱氧-β-d-赤型-六呋喃糖基)胸腺嘧啶(13)和1-(3,5