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:
Sep. 04, 2001
Filed:
Dec. 29, 1997
Sergio Mantegani, Milan, IT;
Tiziano Bandiera, Gamboló, IT;
Enzo Brambilla, Mariano Comense, IT;
Carla Caccia, Gallarate, IT;
Nicola Carfagna, Nerviano, IT;
Pharmacia & Upjohn S.p.A., Milan, IT;
Abstract
There are provided compounds of formula (I), wherein R,is a hydrogen, chlorine or bromine atom or a methyl, methylthio, hydroxy, cyano or carboxamido group; R,is C,-C,alkyl or an alkyl group; R,and R,are independently a hydrogen atom, a C,-C,alkyl group, a C,-C,alkenyl group, a C,-C,cycloalkyl C,-C,alkyl group, a phenyl-C,-C,alkenyl or phenyl group: which groups are optionally substituted by C,-C,alkyl, C,-C,alkoxy, triflouromethyl, hydroxy or amino group; or a group of formula (a), wherein R,is hydrogen atom or a C,-C,alkyl group and R,is a phenyl group, a substituted phenyl group as described above or a heterocyclic ring, R,is a hydrogen or bromine atom or an organic residue and R is H or an organic residue, or a pharmaceutically acceptable salt thereof. A process for their preparation and the pharmaceutical compositions comprising them are also provided.