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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Ruhrchemie AG
Original Assignee
Ruhrchemie AG
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Filing date
Publication date
Application filed by Ruhrchemie AGfiledCriticalRuhrchemie AG
Application grantedgrantedCritical
Publication of FR1188815ApublicationCriticalpatent/FR1188815A/fr
C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems