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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Kefalas AS
Original Assignee
Kefalas AS
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Publication date
Application filed by Kefalas ASfiledCriticalKefalas AS
Priority to FR811954ApriorityCriticalpatent/FR1309813A/fr
Priority to FR837271Aprioritypatent/FR505M/fr
Application grantedgrantedCritical
Publication of FR1309813ApublicationCriticalpatent/FR1309813A/fr
C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
C07D311/78—Ring systems having three or more relevant rings