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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
C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C7/00—Purification; Separation; Use of additives
C07C7/005—Processes comprising at least two steps in series
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C7/00—Purification; Separation; Use of additives
C07C7/04—Purification; Separation; Use of additives by distillation
C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
C07C7/06—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by azeotropic distillation
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07D—HETEROCYCLIC COMPOUNDS
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
C07D209/84—Separation, e.g. from tar; Purification
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C2603/00—Systems containing at least three condensed rings
C07C2603/02—Ortho- or ortho- and peri-condensed systems
C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
C07C2603/24—Anthracenes; Hydrogenated anthracenes
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Oil, Petroleum & Natural Gas
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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