Efficient Synthesis of Deoxybenzoins from Chalcones
作者:Paulson Mathew、Daliya Mathew、C. V. Asokan
DOI:10.1080/00397910601130967
日期:2007.3
Abstract β‐Ketoaldehydes derived from chalcone epoxides by Lewis acid–catalyzedrearrangement underwent smooth deformylation when refluxed in tetrahydrofuran (THF) in the presence of ethylenediamine, affording deoxybenzoins in excellent yields. The method is general and useful for the preparation of deoxybenzoins with a variety of substitution patterns.