Unsymmetric bisphosphite

US9556096B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Andrea Christiansen · Neu-Ulm, DE
• Robert Franke · Marl, DE
• Dirk Fridag · Haltern am See, DE
• Dieter Hess · Marl, DE
• Katrin Marie Dyballa · Recklinghausen, DE
• Bernd Hannebauer · Zwingenberg, DE

Key dates

• Filing date: Sep 27, 2013
• Grant date: Jan 31, 2017
• Expiry date: Sep 27, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/65685
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An unsymmetric bisphosphite of the formula (1)a process for preparation thereof, a reaction thereof with metals to give mixtures containing complexes of the unsymmetric bisphosphite and the metal, and a use thereof as a catalytically active composition in hydroformylation reactions, where the hydroformylation-active composition contains, as well as the complex of metal and unsymmetric bisphosphite, unbound bisphosphite and at least one further component.