Patent · US Expired

Process for the preparation of citral

US4463196A · kind A · utility

2Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1980
Grant dateJul 31, 1984
Priority date
Expiry dateMay 8, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/512
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Citral is prepared by heating dehydrolinalol in the presence of a vanadium compound as catalyst and an alkanol of 12 to 18 carbon atoms as co-catalyst, whereby isomerization is effected. There may also be present an alkanol or cycloalkanol of 7 to 11 carbon atoms as co-catalyst.

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