Acyclic stereoselection. 20. High diastereofacial selectivity in the stannic chloride mediated reactions of allylsilanes with chiral α- and β-alkoxy aldehydes.
作者:Syun-ichi Kiyooka、Clayton H Heathcock
DOI:10.1016/s0040-4039(00)94002-4
日期:1983.1
Stannic chloride is an effective catalyst for the reaction of allylsilanes with chiralα- and β-alkoxyaldehydes. In the case of α-alkoxy aldehyde 1, the diastereofacial preference is outstanding (>35:1). With β- alkoxy aldehydes 5 and 6, selectivity is lower, but still quite acceptable (7–12:1).