Silica-supported hexaalkylguanidinium chloride: an efficient stable catalyst for phosgenation of carboxylic acids

Silica-supported hexaalkylguanidinium chlorides have been built up and used as catalysts for phosgenation of carboxylic acids. They have been found to be more efficient and stable than their polystyrene homologs and more active than their ammonium and phosphonium analogs.

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Bibliographic Details
Published in:Reactive & functional polymers 1995-09, Vol.26 (1), p.25-33
Main Authors: Gros, Ph, Le Perchec, P., Senet, J.P.
Format: Article
Language:English
Subjects:
Catalytic activity
Hexaalkylguanidinium chloride
Phosgenation
Stability
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Description
Summary:Silica-supported hexaalkylguanidinium chlorides have been built up and used as catalysts for phosgenation of carboxylic acids. They have been found to be more efficient and stable than their polystyrene homologs and more active than their ammonium and phosphonium analogs.
ISSN:1381-5148
DOI:10.1016/1381-5148(94)00045-4