Organic Chemistry Portal



Strong Counteranion Effects on the Catalytic Activity of Cationic Silicon Lewis Acids in Mukaiyama Aldol and Diels-Alder Reactions

Kenji Hara, Ryuto Akiyama and Masaya Sawamura*

*Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan, and PRESTO, Japan Science and Technology Agency, Email:

K. Hara, R. Akiyama, M. Sawamura, Org. Lett., 2005, 7, 5621-5623.

DOI: 10.1021/ol052206g

see article for more reactions


A toluene-coordinated silyl borate, [Et3Si(toluene)]B(C6F5)4, demonstrated high catalytic activity in Mukaiyama aldol and Diels-Alder reactions.

see article for more reactions

preparation of [Et3Si(toluene)]B(C6F5)4

Key Words

Diels-Alder Reaction, Mukaiyama Aldol Addition

ID: J54-Y2005-2100