DBP ylides: Wittig reagents for synthesis of E-alkenes from aldehydes
作者:E. Vedejs、C. Marth
DOI:10.1016/s0040-4039(00)96322-6
日期:——
Phosphorus ylides based on the dibenzophosphole (DBP) ring system convert aldehydes into trans-disubstituted oxaphosphetanes with good to excellent selectivity. Decomposition at 70–110° affords alkenes with E:Z ratios from 6:1 to > 100:1.