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Priority to SE7106802ApriorityCriticalpatent/SE385480B/sv
Publication of SE385480BpublicationCriticalpatent/SE385480B/sv
C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
C07D491/04—Ortho-condensed systems
C07D491/056—Ortho-condensed systems with two or more oxygen atoms as ring hetero atoms in the oxygen-containing ring
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SE7106802A1971-05-261971-05-26Forfarande for framstellning av 2 (1h)-kinazolinon-derivat
SE385480B
(sv)