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JPS53144587A - Purification of aminopyrazinecarboxylic acid - Google Patents

Purification of aminopyrazinecarboxylic acid

Info

Publication number
JPS53144587A
JPS53144587A JP5757877A JP5757877A JPS53144587A JP S53144587 A JPS53144587 A JP S53144587A JP 5757877 A JP5757877 A JP 5757877A JP 5757877 A JP5757877 A JP 5757877A JP S53144587 A JPS53144587 A JP S53144587A
Authority
JP
Japan
Prior art keywords
acid
purification
aminopyrazinecarboxylic
aminopyrazinecarboxylic acid
carbamoylpyrazine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5757877A
Other languages
Japanese (ja)
Other versions
JPS6111229B2 (en
Inventor
Giichi Genda
Masaru Ito
Saburo Kano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Soda Co Ltd
Original Assignee
Nippon Soda Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Soda Co Ltd filed Critical Nippon Soda Co Ltd
Priority to JP5757877A priority Critical patent/JPS53144587A/en
Publication of JPS53144587A publication Critical patent/JPS53144587A/en
Publication of JPS6111229B2 publication Critical patent/JPS6111229B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To prepare the highly pure title cpd., useful as intermediates for pharmaceuticals, agrichemicals etc., by addition of an alkaline earth metal salt to the reaction soln., obtd. by Hoffmann rearrangement of 2-carbamoylpyrazine-3carboxylic acid, followed by decomposition of the resulting salt with an acid.
COPYRIGHT: (C)1978,JPO&Japio
JP5757877A 1977-05-20 1977-05-20 Purification of aminopyrazinecarboxylic acid Granted JPS53144587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5757877A JPS53144587A (en) 1977-05-20 1977-05-20 Purification of aminopyrazinecarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5757877A JPS53144587A (en) 1977-05-20 1977-05-20 Purification of aminopyrazinecarboxylic acid

Publications (2)

Publication Number Publication Date
JPS53144587A true JPS53144587A (en) 1978-12-15
JPS6111229B2 JPS6111229B2 (en) 1986-04-01

Family

ID=13059725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5757877A Granted JPS53144587A (en) 1977-05-20 1977-05-20 Purification of aminopyrazinecarboxylic acid

Country Status (1)

Country Link
JP (1) JPS53144587A (en)

Also Published As

Publication number Publication date
JPS6111229B2 (en) 1986-04-01

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