Patent · US Expired

Tricyclic compounds

US5705704A · kind A · utility

4Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1996
Grant dateJan 6, 1998
Priority date
Expiry dateMar 1, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel tricyclic compounds of formula I as defined in the specification, a process for their preparation and their use for the preparation of optically active or racemic colchicine and thiocolchicine derivatives.

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