US Patent 7232905 Substituted dihydropyrimidinone preparation using polyaniline salt catalyst
Patent 7232905 was granted and assigned to Council of Scientific and Industrial Research on June, 2007 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides a process for the preparation of substituted dihydropyrimidinones using polyaniline salts as reusable catalysts, which comprises reacting an aldehyde, a β-keto ester and urea/thiourea in the presence of a polyaniline salt catalyst and separating the substituted dihydropyrimidinone obtained.
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US Patent 07232905 Substituted dihydropyrimidinone preparation using polyaniline salt catalyst US Patent 7232905 Substituted dihydropyrimidinone preparation using polyaniline salt catalyst
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Patent Number
0723290500
Patent Number
723290500
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072329050
Date of Patent
June 19, 2007
0Patent Application Number
108103430
Date Filed
March 26, 2004
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072329050
Date of Patent
June 19, 2007
0Patent Application Number
108103430
Date Filed
March 26, 2004
0Official Website
Patent Primary Examiner
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US Patent 07232905 Substituted dihydropyrimidinone preparation using polyaniline salt catalyst
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07232905
Date of patent
June 19, 2007
Patent application number
10810343
Date Filed
March 26, 2004
Patent primary examiner
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