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Issue 19, 2009
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Hindered Brønsted bases as Lewis base catalysts

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Abstract

KHMDS and KOtBu are well established as strong, hindered, non-nucleophilic Brønsted bases. However, in the present work these bases are applied as highly active Lewis base catalysts for the formal [2+2] cycloaddition of ketenes with aldehydes and imines.

Graphical abstract: Hindered Brønsted bases as Lewis base catalysts

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Article information


Submitted
06 May 2009
Accepted
02 Jul 2009
First published
24 Jul 2009

Org. Biomol. Chem., 2009,7, 4009-4016
Article type
Paper

Hindered Brønsted bases as Lewis base catalysts

S. Tabassum, O. Sereda, P. V. G. Reddy and R. Wilhelm, Org. Biomol. Chem., 2009, 7, 4009
DOI: 10.1039/B908899G

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