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Letter

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

Supporting Info

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

Org. Lett., 2005, 7 (25), pp 5621–5623

DOI: 10.1021/ol052206g

Publication Date (Web): November 12, 2005

In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.

, sawamura@sci.hokudai.ac.jp

Abstract

A toluene-coordinated silyl borate, [Et₃Si(toluene)]B(C₆F₅)₄, demonstrated catalytic activities significantly higher than those of Me₃SiOTf and Me₃SiNTf₂ in Mukaiyama aldol and Diels−Alder reactions.

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Published In Issue December 08, 2005
Received September 13, 2005

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Letter

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

Abstract

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SciFinder Links

History

Recommend & Share

Related Content

New Strategies for Organic Catalysis: The First Highly Enantioselective Organocatalytic Diels−Alder Reaction

2-Iodoxybenzenesulfonic Acid as an Extremely Active Catalyst for the Selective Oxidation of Alcohols to Aldehydes, Ketones, Carboxylic Acids, and Enones with Oxone

Enantiospecific Total Synthesis of the Hapalindoles, Fischerindoles, and Welwitindolinones via a Redox Economic Approach

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