Patent · US Expired

Process

US4950765A · kind A · utility

2Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1987
Grant dateAug 21, 1990
Priority date—
Expiry dateAug 24, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D209/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to a catalytic transfer hydrogenation process using water as a solvent in the preparation of substituted indolinone derivatives.

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