Patent · US Expired

3-Phenyl-propionaldehydes

US4508925A · kind A · utility

0Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1983
Grant dateApr 2, 1985
Priority date
Expiry dateNov 9, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/673
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is disclosed a novel process for preparing a number of cinnamaldehyde derivatives. These cinnamaldehyde derivatives can be reduced to dihydrocinnamaldehyde derivatives, a number of which are commercially important in the preparation of fragrances. The invention is also directed to a number of novel intermediates and their preparation.

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