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Air-stable zirconocene bis(perfluorobutanesulfonate) as a highly efficient catalyst for synthesis of α-aminophosphonates via Kabachnik–Fields reaction under solvent-free condition.
- Source :
-
Catalysis Communications . Jan2014, Vol. 43, p184-187. 4p. - Publication Year :
- 2014
-
Abstract
- Zirconocene bis(perfluorobutanesulfonate) [Cp2Zr(OSO2C4F9)2·2H2O] was successfully synthesized by treatment of Cp2ZrCl2 with C4F9SO3Ag, and was found to have the nature of air-stability, water tolerance, high thermal stability and strong Lewis acidity. This complex showed high catalytic efficiency for the synthesis of α-aminophosphonates via Kabachnik–Fields reaction of aldehydes/ketones, amines and diethyl phosphite under mild and solvent-free conditions. Furthermore, it can be reused without loss of activity in a test of five cycles. Compared with our previously reported complex of Cp2Zr(OSO2C8F17)2·3H2O·THF, this complex showed better catalytic activity. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15667367
- Volume :
- 43
- Database :
- Academic Search Index
- Journal :
- Catalysis Communications
- Publication Type :
- Academic Journal
- Accession number :
- 92515356
- Full Text :
- https://doi.org/10.1016/j.catcom.2013.10.013