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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of FR1209650ApublicationCriticalpatent/FR1209650A/en
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
C07D471/12—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 three hetero rings
C07D471/14—Ortho-condensed systems
FR1209650D1957-09-121958-08-25
Process for the preparation of indolo-quinolizine derivatives
ExpiredFR1209650A
(en)