Patent · US Expired

Production of 1,3-difunctional compounds

US4322355A · kind A · utility

5Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 1980
Grant dateMar 30, 1982
Priority date
Expiry dateApr 15, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An improvement in the reaction of olefin with aldehyde, and optionally, carboxylic acid, in the liquid phase in the presence of a catalytically effective amount of strong acid to provide a 1,3-difunctional compound or a mixture of 1,3-difunctional compounds is provided by carrying out the aforesaid reaction in the further presence of a co-catalyst selected from the group consisting of antimony oxide, bismuth oxide, antimony salt, bismuth salt and mixtures thereof.

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