Patent · US Expired

Catechol derivatives, a process of preparation thereof, and therapeutical compositions containing the same

US5013756A · kind A · utility

5Cited by

8References

2Claims

0Family size

Assignee

Société de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S) SAS · FR

Inventors

Michel Follet · Aramon, FR
Marc Bonato · Aramon, FR

Key dates

Filing date	May 23, 1989
Grant date	May 7, 1991
Priority date	—
Expiry date	May 23, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D337/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to catechol derivatives having the general formula ##STR1## wherein R represents various substituents, to a process for the preparation of the same comprising reacting S-(3,4-dihydroxyphenyl)-isothiourea, which has the formula II, with a tosylate of the general formula III ##STR2## and to therapeutical compositions wherein the active ingredient is one of these compounds.

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