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.)
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Toyama Chemical Co Ltd
Original Assignee
Toyama Chemical Co Ltd
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Filing date
Publication date
Application filed by Toyama Chemical Co LtdfiledCriticalToyama Chemical Co Ltd
Priority to JP2913975ApriorityCriticalpatent/JPS51125226A/en
Publication of JPS51125226ApublicationCriticalpatent/JPS51125226A/en
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
JP2913975A1975-03-121975-03-12Process for preparing new acid anhydrides
PendingJPS51125226A
(en)