Patent · US Expired

Metal phosphine complex

US4120870A · kind A · utility

5Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1977
Grant dateOct 17, 1978
Priority date
Expiry dateJul 18, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2531/822
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Group IB and IIB metal phosphine complexes are disclosed. These complexes are reacted with rhodium complex precursors to form useful enantioselective hydrogenation catalysts. Also disclosed is a method of preparing useful compounds having optical activity such as natural products and compounds useful as flavors and fragrances.

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