Patent · US Expired

Chiral diphosphinoterpenes and transition metal complexes thereof

US7235696B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Paul Knochel · Marburg, DE
Tanasari Bunlaksananusorn · Leverkusen, DE
Andrei Gavryushin · Germering, DE

Key dates

Filing date	May 9, 2005
Grant date	Jun 26, 2007
Priority date	—
Expiry date	Jun 27, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/07
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to chiral diphosphinoterpenes and transition metal complexes thereof, to a process for preparing chiral diphosphinoterpenes and oxides thereof, and to transition metal complexes comprising the chiral diphosphinoterpenes. In a further aspect, the invention relates to the use of the chiral diphosphinoterpenes or transition metal complexes thereof in asymmetric syntheses.

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