作者:Nicolai V. Bovin、Sergei É. Zurabyan、Anatoly Ya. Khorlin
DOI:10.1016/s0008-6215(00)87138-4
日期:1981.12
Abstract Addition of chloroazide to 3,4,6-tri- O -acetyl-1,5-anhydro-2-deoxy- d - lyxo - ( 1 ) and - d - arabino -hex-1-enitol ( 2 ) under u.v. irradiation proceeds regio- and stereo-selectively yielding mainly O -acetyl derivatives of 2-azido-2-deoxy- d -galactopyranose and - d -glucopyranose, respectively. 3,4,6-Tri- O -acetyl-2-chloro-2-deoxy-α- d -galactopyranosyl azide and 3,4,6-tri- O -acety
摘要紫外光下向3,4,6-三-O-乙酰基-1,5-脱水-2-脱氧-d-lyxo-(1)和-d-阿拉伯-hex-1-烯醇(2)中添加氯叠氮化物辐射进行区域选择性和立体选择性,分别主要产生2-叠氮基-2-脱氧-d-吡喃半乳糖和-d-吡喃葡萄糖的O-乙酰基衍生物。3,4,6-三-O-乙酰基-2-氯-2-脱氧-α-d-吡喃半乳糖基叠氮化物和3,4,6-三-O-乙酰基-2-叠氮基-2-脱氧-α-d -talopyranose(来自1)和1,3,4,6-四-O-乙酰基-2-氯-2-脱氧-α-d-吡喃葡萄糖基叠氮化物和1,3,4,6-四-O-乙酰基-2-叠氮基-2-脱氧-α-d-甘露吡喃糖(来自2)是副产物。1,5-脱水-3,4,6-三-O-苄基-2-脱氧-d-lyxo-和-d-阿拉伯糖-hex-1-烯醇与氯叠氮化物反应更快,在辐射下得到衍生物分别为2-叠氮基-2-脱氧-d-半乳糖和-d-葡萄糖。然而,