Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalene

Details Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalene Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalene

1993-05-25

1994-09-13

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

C07C30935

Patent

active

053470451

ABSTRACT:
Sulfonated diphosphines of the formula ##STR1## in which Ar is m-C.sub.6 H.sub.4 --SO.sub.3 M, M is hydrogen, ammonium, a monovalent metal, or the chemical equivalent of a polyvalent metal; Ph is phenyl; the m's are individually 1 or 2, and the n's are individually 0, 1, or 2. A method of their preparation and the hydroformylation of olefins and olefinically unsaturated compounds using these compounds as a constituent of water-soluble catalyst systems are also disclosed.

REFERENCES:
patent: 5274183 (1993-12-01), Herrmann et al.

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