<i>Trans</i> Stereoselectivity in the Reaction of Cyclic Phosphonium Salts with Aromatic Aldehydes
作者:Nicholas J. Lawrence、Hayrettin Beynek
DOI:10.1055/s-1998-1702
日期:1998.5
The Wittig olefination of substituted aromatic aldehydes with ylides from phosphorinanium salts [RCH2P(Ph)(CH2)5]+Br- in which the phosphorus atom is incorporated into a six-membered ring, is E-selective.
在磷鎓盐[RCH2P(Ph)(CH2)5]+Br-中,磷原子被纳入一个六元环内,以此类雌鎓与取代芳香醛进行Wittig烯化反应时,选择性地生成E型烯烃。