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 Delalande SafiledCriticalDelalande Sa
Publication of ATA734172ApublicationCriticalpatent/ATA734172A/en
Application grantedgrantedCritical
Publication of AT326116BpublicationCriticalpatent/AT326116B/en
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