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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 FR823937ApublicationCriticalpatent/FR823937A/fr
C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
C07D471/04—Ortho-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR823937D1936-07-081937-07-05Procédé pour la production de dérivés de la para-phénanthroline
ExpiredFR823937A
(fr)