Lipase YS-Catalyzed Enantioselective Transesterification of Alcohols of Bicarbocyclic Compounds
作者:Koichiro Naemura、Hirotsugu Ida、Ritsuko Fukuda
DOI:10.1246/bcsj.66.573
日期:1993.2
Lipase YS-catalyzed enantioselective acylations of (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.1]heptane-2,5-diol, (1RS, 2SR, 4RS, 5SR)-bicyclo[2.2.2]octane-2,5-diol, (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.2]octane-2,5-diol, and (1RS, 2SR, 5RS, 6SR)-bicyclo[3.3.1]nonane-2,6-diol with aryl acetates such as phenyl acetate, 1-naphthyl acetate, and 2-naphthyl acetate gave the monoacetates and the diols in optically active
脂肪酶 YS 催化的 (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.1]heptane-2,5-diol, (1RS, 2SR, 4RS, 5SR)-bicyclo[2.2.2]octane-2 的对映选择性酰化,5-二醇、(1RS、2RS、4RS、5RS)-双环[2.2.2]辛烷-2,5-二醇和(1RS、2SR、5RS、6SR)-双环[3.3.1]壬烷-2, 6-二醇与乙酸芳基酯如乙酸苯酯、乙酸1-萘酯和乙酸2-萘酯得到单乙酸酯和旋光形式的二醇。(+)-(2R, 5R)-2-乙酰氧基双环[2.2.1]庚烷-5-醇,(-)-(1S, 2R, 4S, 5R)-2-乙酰氧基双环[2.2.2]的光学纯度使用乙酸苯酯获得的辛烷-5-醇和 (+)-(2R, 6R)-2-乙酰氧基双环[3.3.1]壬烷-6-醇高于已通过 PLE 催化水解拆分的单乙酸酯相应的外消旋二乙酸酯。使用苯酯如