Abstract
A simple and practical method is reported for the synthesis of 3-(2-arylethylidene)isoindolin-1-ones and 3-(2-arylethylidene)isobenzofuran-1(3H)-ones, proceeding with good to excellent yields and (E:Z) selectivity. This methodology involves the sequential reduction-dehydration reaction of readily obtained 3-(2-oxo-2-arylethyl)isoindolin-1-ones and 3-(2-oxo-2-arylethyl)isobenzofuran-1(3H)-ones followed by a base-catalyzed double bond isomerization with K2CO3 in acetonitrile. The development of a concise synthesis of AKS-182 has been achieved using this methodology.
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