Divergently stereocontrolled reaction of an allylic silane bearing an asymmetric ethereal carbon toward aldehydes
摘要:
Lewis acid mediated allylation of aldehydes by an allylsilane bearing an asymmetric ethereal functionality proceeded in divergently stereocontrolled manners, i.e., TiCl4 afforded the syn isomer, whereas BF3.OEt2 afforded the anti isomer predominantly.