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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Hoechst AG
Original Assignee
Farbwerke Hoechst AG
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Publication date
Application filed by Farbwerke Hoechst AGfiledCriticalFarbwerke Hoechst AG
Application grantedgrantedCritical
Publication of FR457162ApublicationCriticalpatent/FR457162A/fr
C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
C07D209/56—Ring systems containing three or more rings
C07D209/80—[b, c]- or [b, d]-condensed
C07D209/82—Carbazoles; Hydrogenated carbazoles
C07D209/88—Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR457162D1912-04-271913-04-25Procédé de fabrication d'acides carbazolsulfoniques
ExpiredFR457162A
(fr)