Evaluation of a synthetic route to ε-viniferin based on a new method for the stereoselective preparation of 2,3-diaryl-2,3-dihydrobenzofurans
作者:Thomas A. Engler、Bill W. Draney、Gregory A. Gfesser
DOI:10.1016/0040-4039(94)88313-0
日期:1994.3
Lewis acid-promoted reactions of unsymmetrically substituted (E)-stilbenes with 2-methoxy-1,4-benzoquinones regio- and stereoselectively produce trans 2,3-diaryl-2,3-dihydrobenzofurans.
路易斯酸促进的不对称取代的(E)-苯乙烯与2-甲氧基-1,4-苯醌的区域和立体选择性反应生成反式2,3-二芳基-2,3-二氢苯并呋喃。