Highly Efficient Asymmetric Esterification of Cyclic meso-Dicarboxylic Anhydrides Catalyzed by Diphenylboryl Triflate
- 5 February 1987
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 16 (2) , 377-380
- https://doi.org/10.1246/cl.1987.377
Abstract
In the presence of a catalytic amount of diphenylboryl triflate, cyclic meso-dicarboxylic anhydrides are esterified by diphenylboric ester of (R)-2-methoxy-1-phenylethanol in a highly stereoselective manner, and, after the treatment with diazomethane, the chiral diesters are obtained with high diastereomeric excess.Keywords
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