Lanthanide Complexes of the Monovacant Dawson Polyoxotungstate [α 1 ‐P 2 W 17 O 61 ] 10− as Selective and Recoverable Lewis Acid Catalysts

Boglio, Cécile; Lemière, Gilles; Hasenknopf, Bernold; Thorimbert, Serge; Lacôte, Emmanuel; Malacrìa, Max

doi:10.1002/anie.200600364

Public

Lanthanide Complexes of the Monovacant Dawson Polyoxotungstate [α 1 ‐P 2 W 17 O 61 ] 10− as Selective and Recoverable Lewis Acid Catalysts

Published in Angewandte Chemie International Edition • Apr 18, 2006

Authors:

Cécile Boglio

Gilles Lemière

Bernold Hasenknopf

Abstract

Catalytic cornerstone: Lanthanide(III) complexes of a lacunary Dawson-type polyoxometalate catalyze Lewis acid mediated reactions (see figure, TMS=trimethylsilyl). The compounds (NBu4)5H2[α1-Ln(H2O)4P2W17O61] (Ln=Yb, Sm, Eu, La) are much more chemoselective than the lanthanide triflates. Furthermore...

Subject

Lanthanide

Polyoxometalate

Lacunary function

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