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. 27, 1993
Filed:
Aug. 26, 1992
Applicant:
Inventor:
Paul Bowles, Groton, CT (US);
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544368 ; 544230 ; 544284 ; 544363 ; 544366 ; 544373 ; 544376 ;
Abstract
A process for preparing a compounds of the formula ##STR1## or a pharmaceutically acceptable acid addition salt thereof, which comprises reacting a monosubstituted piperazine of the formula ##STR2## with an alkyl halide containing compound of the formula ##STR3## in water with a reagent to neutralize the hydrohalic acid and refluxing the mixture under conditions which are suitable to effect the coupling of said monosubstituted piperazines with said alkyl halide containing compound.