Patent · US Active

Bidentate diphosphoramidites with a piperazine group as ligands for hydroformylation

US9908910B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Katrin Marie Dyballa · Recklinghausen, DE
Robert Franke · Marl, DE
Dirk Fridag · Haltern am See, DE
Dieter Hess · Marl, DE
Frank Geilen · Haltern am See, DE
Galina Morales TORRES · Rostock, DE
Detlef Selent · Berlin, DE
Armin Börner · Rostock, DE

Key dates

Filing date	Dec 16, 2016
Grant date	Mar 6, 2018
Priority date	—
Expiry date	Dec 16, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/657154
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to Rh, Ru, Co and Ir complexes comprising bidentate diphosphoramidites as ligands and to the use thereof as catalysts for the hydroformylation of olefins. The invention also relates to a process for preparing an aldehyde from an olefin using the complexes or ligands mentioned.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.