SE' Addition of homochiral α-alkoxyallylstannanes to aldehydes
作者:James A. Marshall、Wei Yi Gung
DOI:10.1016/0040-4020(89)80015-8
日期:1989.1
Addition of the homochiral (S)-[1-(benzyloxy)methoxy-2-(E)-hexenyl] (tri-n-butyl) stannane (5b) to heptanal (1a), (E)-2-heptenal (1b), and 2-heptynal (1c) under BF3 catalysis was examined. In all cases the addition proceeded by anti SE, attack to give mainly the syn E adducts se8a-c with high ee.