作者:Andrzej E. Wróblewski、Anetta Hałajewska-Wosik
DOI:10.1002/1099-0690(200208)2002:16<2758::aid-ejoc2758>3.0.co;2-q
日期:2002.8
Diethyl (S)-2,3-epoxypropylphosphonate [(S)-3] was transformed into (S)-phosphocarnitine [(S)-2] in the following sequence of reactions: a C-3 regioselective opening of the oxirane ring with magnesium bromide, quantitative bromide displacement with trimethylamine, and ester hydrolysis. The epoxide ring opening of 3 with HCl/EtOAc gave a 92:8 mixture of 3- and 2-chloro-substituted phosphonates. Reaction
(S)-2,3-环氧丙基膦酸二乙酯 [(S)-3] 在以下反应序列中转化为 (S)-磷酸肉碱 [(S)-2]:环氧乙烷环的 C-3 区域选择性打开与溴化镁、用三甲胺定量溴化物置换和酯水解。3用HCl/EtOAc的环氧化物开环得到3-和2-氯-取代的膦酸酯的92:8混合物。(S)-3与NMe3水溶液的反应得到3-羟基-1-丙烯基膦酸二乙酯作为主要产物。(© Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002)