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Silica-supported hexaalkylguanidinium chloride: a good heterogeneous catalyst for the decomposition of chloroformates

✍ Scribed by F Foulon; B Fixari; D Picq; P Le Perchec

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
114 KB
Volume
39
Category
Article
ISSN
1381-5148

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📜 SIMILAR VOLUMES

Silica-supported hexaalkylguanidinium ch
Silica-supported hexaalkylguanidinium chloride: an efficient stable catalyst for phosgenation of carboxylic acids
✍ Ph. Gros; P. Le Perchec; J.P. Senet 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 756 KB

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.

Silica gel and polystyrene supported alu
Silica gel and polystyrene supported aluminum chloride as heterogeneous catalysts for the preparation of α-aminophosphonates
✍ Kaveh Parvanak Boroujeni; Amir Nasrolahi Shirazi 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 861 KB

## Abstract Silica gel supported aluminum chloride (SiO~2~‐AlCl~3~) and cross‐linked polystyrene‐supported aluminum chloride (PS‐AlCl~3~) are environment‐ friendly heterogeneous catalysts for the condensation of amines and aldehydes with diethyl phosphite to afford α‐aminophosphonates. These solid