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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Application grantedgrantedCritical
Publication of FR734215ApublicationCriticalpatent/FR734215A/fr
C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
C07D221/04—Ortho- or peri-condensed ring systems
C07D221/06—Ring systems of three rings
C07D221/10—Aza-phenanthrenes
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR734215D1931-03-251932-03-25Nouveaux acides hydroxy-benzo quinoline-carboxyliques et leur procédé de préparation
ExpiredFR734215A
(fr)