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:
Mar. 03, 1998
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Marco Baroni, Vanzago, IT;
Tiziano Croci, Milan, IT;
Marco Landi, Bussero, IT;
Umberto Guzzi, Milan, IT;
Dino Nisato, Saint Georges D'Orques, FR;
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544330 ; 544334 ; 544336 ; 544409 ; 546193 ; 546233 ; 546244 ;
Abstract
A compound of formula (VIII): ##STR1## in which Alk is a (C.sub.1 -C.sub.4)alkyl group, R.cndot. is hydrogen or a protecting group cleavable by hydrolysis and R is hydrogen, a protecting group cleavable by reduction or a heterocycle of structure (IX): ##STR2## in which Hal is a halogen atom and X, Y and Z are each --CH.dbd. or one of them is a nitrogen atom and the others are --CH.dbd., and its salts, R.cndot. being other than hydrogen if R is hydrogen or a group of structure (IX).