The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1993
Filed:
Jun. 13, 1991
Applicant:
Inventors:
Andrew J Edmunds, Vienna, AT;
Maximilian Grassberger, Vienna, AT;
Assignee:
Sandoz, Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514291 ; 514 63 ; 540452 ; 540456 ;
Abstract
The compounds of formula I ##STR1## wherein the substituents have various significances, possess pharmacological, particularly antiinflammatory and immunosuppressant activity. They can be prepared by one or more of the following process variants: reduction, deprotection, acylation, reaction with N,N'-carbonyl- or N,N'-thiocarbonyldiimidazole, halogenation, splitting off of hydrogen halide, reaction with a hydrogen carbonate, radical deoxygenation, dehydration or reaction with diazomethane of -ethane, optionally under transient protection of reactive groups which it is not desired to react.