Tetrahedron p. 2575 - 2582 (1988)
Update date:2022-07-30
Topics:
Fuganti, Claudio
Grasselli, Piero
Servi, Stefano
Lazzarini, Ameriga
Casati, Paolo
Penicillinacylase from E. coli, immobilized on Eupergit C beads catalyzes the hydrolysis in water/CH3CN 10:1, at pH 7.5 and 23 deg C, of a set of O-phenylacetate esters of primary carbinols.The highest enantioselectivity is observed in the case of the 2,2-dimethyl-1,3-dioxolane-4-methanols structurally related to the penicillin (1) framework.Minor modifications of this basic structure are not altering the acceptability by the enzyme, but significantly decrease the enantioselectivity of the hydrolysis, as does the use of benzene as solvent and Sepharose-bound enzyme.
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