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Patent Searching and Data


Title:
【発明の名称】水溶性スルホン化有機燐化合物の製造法、及び二相触媒反応実施する有機反応
Document Type and Number:
Japanese Patent JP2002533467
Kind Code:
A
Abstract:
Water-soluble sulfonated organophosphorus compounds are purified by at least partially removing contaminating sulfite values therefrom, by decreasing the pH of a solution of such sulfonated organophosphorus compounds to a value of less than or equal to 4, and maintaining the pH of the solution at this value of 4 or less for such period of time as to reduce the weight concentration of sulfite in the solution to less than 100 ppm; the organophosphorus compounds thus purified are well suited for the two-phase cocatalysis of a wide variety of organic reactions.

Inventors:
Larbi Auni
Paolo Buratan
Pierre Cocle
Marc Uze
Application Number:
JP2000591045A
Publication Date:
October 08, 2002
Filing Date:
December 21, 1999
Export Citation:
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Assignee:
Rhodia Polyamide Intermedium
International Classes:
B01J31/24; C07B61/00; C07C45/50; C07C253/10; C07C255/04; C07F9/02; C07F9/50; (IPC1-7): C07C253/10; C07C255/04; C07F9/50
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)