US Patent 7220863 Process for preparing 2-aminopyridine derivatives
Patent 7220863 was granted and assigned to Korea Research Institute of Chemical Technology on May, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A method for preparing 2-aminopyridine derivatives, which comprises substituting of fluorine for hydrazine moiety and reducing with hydrogen using 3-substituted-2,5,6-trifluoropyridine as a starting material, provides 2-aminopyridine derivatives having a purity over 98% under a mild reaction condition.
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US Patent 07220863 Process for preparing 2-aminopyridine derivatives US Patent 7220863 Process for preparing 2-aminopyridine derivatives
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Patent Number
0722086300
Patent Number
722086300
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072208630
Date of Patent
May 22, 2007
0Patent Application Number
112099190
Date Filed
August 23, 2005
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072208630
Date of Patent
May 22, 2007
0Patent Application Number
112099190
Date Filed
August 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07220863 Process for preparing 2-aminopyridine derivatives
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07220863
Date of patent
May 22, 2007
Patent application number
11209919
Date Filed
August 23, 2005
Patent primary examiner
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