Patent · US Expired

Imidazolidone intermediates of biotin

US4284788A · kind A · utility

3Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1980
Grant dateAug 18, 1981
Priority date—
Expiry dateMar 31, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D495/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process is disclosed for producing imidazolidone intermediates from 2H-chromene. The intermediates are useful for synthesizing biotin.

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