Sulfonated 2,2'-bis (Diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

US5565398A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Wolfgang Anton Herrmann · Freising, DE
• Rainer Manetsberger · Wielenbach, DE
• Helmut Bahrmann · Hamminkeln, DE
• Christian Kohlpaintner · Kelkheim, DE

Key dates

• Filing date: Nov 2, 1995
• Grant date: Oct 15, 1996
• Expiry date: Nov 2, 2015

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/96
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

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.