Patent · US Expired

Preparation of carotenoids using a .pi.-allyl complex

US4147708A · kind A · utility

14Cited by
1References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 2, 1977
Grant dateApr 3, 1979
Priority date
Expiry dateMay 2, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel procedure for the preparation of carotenoids, particularly vitamin A, employing .pi.-allyl transition metal complexes. Novel carotenoid intermediates are also disclosed.

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