Patent · US Expired

Process to produce 8-methoxypsoralen

US4147703A · kind A · utility

11Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1978
Grant dateApr 3, 1979
Priority date
Expiry dateMar 8, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D307/86
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to synthetic processes to produce the known pharmacologically active 9-methoxypsoralen. Also disclosed are various novel intermediates utilized in these processes.

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