Patent · US Expired

Asymmetrical hydrogenation

US5288928A · kind A · utility

5Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 20, 1992
Grant dateFeb 22, 1994
Priority date
Expiry dateJul 20, 2012

Classification

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

Abstract

There is disclosed a process for the asymmetrical hydrogenation of (E)-2-methyl-3-phenyl-2-propen-1-ol of formula ##STR1## wherein R.sub.1 is as defined herein, to give compounds of formula ##STR2## The catalyst is a neutral or cationic rhodium complex of a chiral atropisomeric phosphine.

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