Patent · US Expired

Internal hydroformylation of acrolein acetals

US4374999A · kind A · utility

2Cited by
13References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 2, 1981
Grant dateFeb 22, 1983
Priority date
Expiry dateJan 2, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D319/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Acrolein acetals are selectively hydroformylated on the unsaturated carbon atom adjacent to the carbon bearing two ether groups in the presence of a supported rhodium-cobalt bimetallic cluster. The resulting internally hydroformylated product is useful as a precursor of methacrylic acid.

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