Lipase catalyzed formation of lactones via irreversible intramolecular acyltransfer
作者:Mario Lobell、Manfred P. Schneider
DOI:10.1016/s0957-4166(00)80147-0
日期:1993.5
The lipase catalyzed formation of lactones is greatly facilitated, if the conditions of irreversible acyltransfer are employed. While only insignificant amounts of lactones are obtained from hydroxy carboxylic acids (+/-)-1a-f or their methyl esters (+/-)-2a-f, considerable yields can be obtained, if the corresponding vinyl esters (+/-)-3a-f are used as substrates. Due to the enantioselectivities, displayed by the lipase from Pseudomonas sp., optically active products are formed.
MEYERS A. I.; WILLIAMS D. R.; WHITE S.; ERICKSON G. W., J. AMER. CHEM. SOC., 1981, 103, NO 11, 3088-3093
作者:MEYERS A. I.、 WILLIAMS D. R.、 WHITE S.、 ERICKSON G. W.
DOI:——
日期:——
An asymmetric synthesis of acyclic and macrocyclic .alpha.-alkyl ketones. The role of (e)- and (z)-lithioenamines
作者:A. I. Meyers、Donald R. Williams、Steven White、Gary W. Erickson