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Process for the preparation of pyrazolopyrimidinones
   
Document Number
US Patent 6667398
Issued Date
December 23, 2003
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Inventors
Dunn; Peter James (County of Kent,GB)
Dunne; Catherine (County of Kent,GB)
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Abstract
There is provided a process for the production a compound of general formula I: ##STR1## wherein A, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have meanings given in the description, which process comprises the reaction of a compound of formula II, ##STR2## wherein R.sup.x is a group substitutable by an aminopyrazole, with a compound of general formula III ##STR3##
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Number of Claims:
16
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Owner
Pfizer Inc (New York, NY)
Published
December 23, 2003
Application Number
09/886,269
Filed
June 21, 2001
US Classification
544/262   544/118 544/238
Int'l Classification
C07D   401/12   (20060101)   C07D   401/00   (20060101)   C07D   487/04   (20060101)   C07D   487/00   (20060101)   C07D   295/26   (20060101)   C07D   213/80   (20060101)   C07D   213/00   (20060101)   C07D   213/85   (20060101)   C07D   295/00   (20060101)  
Examiner
Parent Case
This application is filed claiming priority from co-pending Provisional Application Nos. 60/217,769 filed Jul. 12, 2000 and 60/291,100 filed May 16, 2001.
Priority Data
Jun 22, 2000 [GB] 0015472 Mar 09, 2001 [GB] 0105857
USPTO Field of Search
544/262   544/238   544/118  
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