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

✍ Scribed by Ph. Gros; P. Le Perchec; J.P. Senet

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 756 KB
Volume: 26
Category: Article
ISSN: 1381-5148
DOI: 10.1016/1381-5148(94)00045-4

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✦ Synopsis

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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