Enzymatic removal of carboxyl protecting groups. III. Fast removal of allyl and chloroethyl esters by Bacillus subtilis esterase (BS2)

…, E Barbayianni, V Constantinou-Kokotou…

Index: Barbayianni, Efrosini; Fotakopoulou, Irene; Schmidt, Marlen; Constantinou-Kokotou, Violetta; Bornscheuer, Uwe T.; Kokotos, George Journal of Organic Chemistry, 2005 , vol. 70, # 22 p. 8730 - 8733

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Citation Number: 15

Abstract

An esterase from Bacillus subtilis (BS2) allows the fast and selective removal of allyl, 2- chloroethyl, and 2, 2, 2-chloroethyl esters under mild conditions in high yields. In addition, BS2 easily hydrolyzes phenacyl esters, while the hydrolysis of sterically hindered diphenylmethyl esters is slow, requiring longer reaction time and higher enzyme/substrate ratio.

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