Patent · US Expired

Process for the selective preparation of alkenecarboxylic acid derivatives

US5028734A · kind A · utility

20Cited by
7References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 1989
Grant dateJul 2, 1991
Priority date
Expiry dateJan 27, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C69/52
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the selective carbonylation of a conjugated diene by contacting with carbon monoxide in the presence of a hydroxyl-group-containing compound such as water, alcohol, phenol or carboxylic acid in liquid phase using a catalyst system formed by the combination of: PA1 (a) a palladium compound and PA1 (b) at least one organic bidentate phosphine.

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