Facile Isomerization of Trimethylsilyl Ketene Acetals to α-Trimethylsilyl Esters Catalyzed by Lanthanoid Trifluoromethanesulfonates
作者:Yoshikazu Makioka、Yuki Taniguchi、Ken Takaki、Yuzo Fujiwara
DOI:10.1246/cl.1994.645
日期:1994.3
Migration of trimethylsilyl group from oxygen to α-carbon in silyl ketene acetals is effectively catalyzed by lanthanoid triflates under mild conditions. Scope and limitation of this rearrangement are presented.
在温和条件下,镧系元素三氟甲磺酸盐可有效催化三甲基甲硅烷基从氧到甲硅烷基乙烯酮缩醛中的α-碳的迁移。介绍了这种重排的范围和限制。