Patent · US Active

Process for making novel chiral phosphorus ligands

US8816112B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Zhengxu Han · Shrewsbury, US
Chris Hugh Senanayake · Brookfield, US

Key dates

Filing date	Nov 14, 2013
Grant date	Aug 26, 2014
Priority date	—
Expiry date	Nov 14, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F17/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Disclosed are methods for making chiral phosphorus ligands including chiral phosphines, chiral phosphine oxides, phosphonamides, and aminophosphines. The chiral phosphorus ligands prepared by the methods of the invention are useful as components of chiral catalysts, e.g., transition metal complexes.

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