Preparation of chiral phenyl glycidyl sulfide 1, which is a useful chiral building block for tertiary alcohol derivatives, is achieved via lipase-catalyzed reaction as a key step.
Enzymatic desymmetrisation of (2-hydroxymethyl-oxiranyl)-methanol in organic solvents
作者:Andrea March Cortijos、Timothy J. Snape
DOI:10.1016/j.tetasy.2008.07.025
日期:2008.8
The desymmetrisation of (2-hydroxymethyl-oxiranyl)-methanol has been achieved in excellent enantiomeric excess in organic solvents, to access (S)-(+)-(2-(hydroxymethyl)oxiran-2-yl)methyl acetate, for the first time. This work provides a complementary method to the desymmetrisation of the Corresponding diacetate in aqueous buffer which yields the (R)-enantiomer and, as such, this new method should enable sequential chemical reactions to be carried out without the need for isolation of the chiral product. (C) 2008 Elsevier Ltd, All rights reserved.
Enzymatic preparation of optically active 2-acetoxymethylglycidol, a new chiral building block in natural product synthesis.
作者:Young-Bae Seu、Yung-Hee Kho
DOI:10.1016/s0040-4039(00)60920-6
日期:1992.11
Asymmetric hydrolysis of geminally disubstituted achiral diacetate 2 with lipase PPL yielded optically active (R)-(−)-2-acetoxymethylglycidol 3 and its reduction gave compound 6, useful as the tert-alcohol chiralbuildingblock.