Patent · US Expired

Phosphine ligands

US6162951A · kind A · utility

5Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1999
Grant dateDec 19, 2000
Priority date
Expiry dateMar 19, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2531/824
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Compounds of Formula (I) wherein R, R.sup.1, R.sup.2 and R.sup.9 are as herein defined, processes for their preparation and transition metal complexes comprising such compounds are disclosed. The complexes may be attached to insoluble supports and are useful as asymetric catalysts. ##STR1##

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