Process for reacting alcohols and/or phenols with phosphorus...

Details Process for reacting alcohols and/or phenols with phosphorus... Process for reacting alcohols and/or phenols with phosphorus...

C - Chemistry, Metallurgy

07

F

260/459.6

C07F 9/165 (2006.01) C07F 9/17 (2006.01) C07F 9/18 (2006.01)

Patent

CA 1156667

PROCESS FOR REACTING ALCOHOLS AND/OR PHENOLS WITH PHOSPHORUS PENTASULFIDE ABSTRACT OF THE DISCLOSURE: The invention relates to a process wherein an alcohol and/or phenol is reacted with phosphorus pentasulfide in the presence of a catalyst which is selected from a) phosphonium salts of the general formula: Image I or b) ammonium salts of the general formula: Image II or c) phosphine oxides of the general formula: Image III or d) phosphine sulfides of the general formula: Image IV or e) phosphinic acid derivatives of the general formula: Image In formulae I through V, the substituents R1, R2, R3 and R4 each stand for identical or different alkyl-, aryl-, alkaryl- or aralkyl- groups having from 1 to 22 carbon atoms. A stands for an inorganic or organic acid, and X and Y, respectively, stand for both oxygen and sulfur, and M stands for a monovalent metal or oxygen.

372042

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