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Title:
SULFONATED 2,2'-BIS(DIPHENYLPHOSPHINOMETHYL)-1,1'-BINAPHTHALENE, PREPARATION THEREOF AND THEIR USE IN A PROCESS FOR THE HYDROFORMYLATION OF OLEFINICALLY UNSATURATED COMPOUNDS
Document Type and Number:
Japanese Patent JPH06145181
Kind Code:
A
Abstract:

PURPOSE: To prepare novel compounds useful as a catalyst.

CONSTITUTION: The sulfonated 2,2'-bis(diphenylphosphinomethyl)-1,1'- binaphthalenes of the formula I [wherein Ar is the formula II (wherein M is H, ammonium or the like); Ph is a phenyl radical; (m) is 1 or 2; (n) is 1 or 2] are provided. The compounds of the formula I are prepared, for example, by sulfonating 2,2'-bis(diphenylphosphinomethyl)-1,1'-binaphthalenes with fuming sulfuric acid containing from 10 to 65 wt.% of free sulfur trioxide at 0 to 25°C, by hydrolyzing the sulfonated mixture at up to about 30°C, then neutralizing with alkali carbonate or alkali hydroxide, separating alkali sulfate, concentrating and extracting them with a mixture of C1-5 alcohol and water from the residue.


Inventors:
BUORUFUGANKU AA HERUMAN
RAINAA MANETSUTSUBERUGAA
HERUMUUTO BAARUMAN
KURISUTEIAN KOORUPAINTONAA
PEETAA RATSUPE
Application Number:
JP12164693A
Publication Date:
May 24, 1994
Filing Date:
May 24, 1993
Export Citation:
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Assignee:
HOECHST AG
International Classes:
B01J31/24; C07B61/00; C07C45/50; C07C47/02; C07F9/50; (IPC1-7): C07F9/50; C07C45/50; C07C47/02
Attorney, Agent or Firm:
Mitsufumi Ezaki (3 others)



 
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