JPS51125226A - Process for preparing new acid anhydrides - Google Patents

Process for preparing new acid anhydrides

Info

Publication number
JPS51125226A
JPS51125226A JP2913975A JP2913975A JPS51125226A JP S51125226 A JPS51125226 A JP S51125226A JP 2913975 A JP2913975 A JP 2913975A JP 2913975 A JP2913975 A JP 2913975A JP S51125226 A JPS51125226 A JP S51125226A
Authority
JP
Japan
Prior art keywords
acid anhydrides
preparing new
new acid
alkyl
aryl
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.)
Pending
Application number
JP2913975A
Other languages
Japanese (ja)
Inventor
Akira Takai
Toyoo Maeda
Isamu Takakura
Hiroyuki Imaizumi
Takako Hori
Hajime Aoyama
Toru Hiraiwa
Nobuo Terajima
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.)
Toyama Chemical Co Ltd
Original Assignee
Toyama Chemical 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 Toyama Chemical Co Ltd filed Critical Toyama Chemical Co Ltd
Priority to JP2913975A priority Critical patent/JPS51125226A/en
Publication of JPS51125226A publication Critical patent/JPS51125226A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pyridine Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Furan Compounds (AREA)

Abstract

PURPOSE: Acid anhydrides of formula I are new (where R1 is halogen, alkyl,alkoxy,aryl,aryloxy or aralkyloxy; X is O or S;R2 and R3 are H or alkyl; A is alkyl,aryl,cycloalkyl,aralkyl,aralkenyl or heterocyclic).
COPYRIGHT: (C)1976,JPO&Japio
JP2913975A 1975-03-12 1975-03-12 Process for preparing new acid anhydrides Pending JPS51125226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2913975A JPS51125226A (en) 1975-03-12 1975-03-12 Process for preparing new acid anhydrides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2913975A JPS51125226A (en) 1975-03-12 1975-03-12 Process for preparing new acid anhydrides

Publications (1)

Publication Number Publication Date
JPS51125226A true JPS51125226A (en) 1976-11-01

Family

ID=12267936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2913975A Pending JPS51125226A (en) 1975-03-12 1975-03-12 Process for preparing new acid anhydrides

Country Status (1)

Country Link
JP (1) JPS51125226A (en)

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