2-(4'-Chlorobenzoyl)benzoic acid → 2-Chloroanthraquinone

HRID 442396

Reaktionsgleichung

Reaktionsgleichung von HRID 442396
[Si]([O-])([O-])([O-])[O-].[Al+3].[Si]([O-])([O-])([O-])[O-].[Si]([O-])([O-])([O-])[O-].[Al+3].[Al+3].[Al+3].[Cl:20][C:21]1[CH:37]=[CH:36][C:24]([C:25]([C:27]2[CH:35]=[CH:34][CH:33]=[CH:32][C:28]=2[C:29]([OH:31])=O)=[O:26])=[CH:23][CH:22]=1>>[CH:34]1[CH:35]=[C:27]2[C:25]([C:24]3[CH:23]=[CH:22][C:21]([Cl:20])=[CH:37][C:36]=3[C:29](=[O:31])[C:28]2=[CH:32][CH:33]=1)=[O:26]

Komponenten

3

Edukt 2

HCID 665642-(4'-Chlorobenzoyl)benzoic acidHCID 21981400Tetraaluminum;trisilicate

Produkt 1

HCID 85532-Chloroanthraquinone

Reaktionsbedingungen

Temperatur
305 °C

Versuchsvorschrift

A fluidized bed reactor equipped with a heating jacket is filled with 70 parts of aluminum silicate grit (25% by weight of SiO2 and 75% by weight of Al2O3 ; φ from 0.1 to 0.3 mm) and is heated to 305° C. The specific total surface area of the cyclizing agent is 400 square meters per gram. The catalyst is kept fluidized by means of 300 parts by volume of nitrogen/hour. Per hour, 70 parts of o-(4-chlorobenzoyl)-benzoic acid are fed into the reactor. The β-chloroanthraquinone formed is precipitated by scrubbing the stream of gas with water. The conversion is practically quantitative. Per hour, 62 parts (95% of theory) of β-chloroanthraquinone of melting point 203° to 205° C. are obtained.

Aufarbeitung

  1. customA fluidized bed reactor equipped with a heating jacket
  2. waitPer hour

Quellen und Nachweise

ORD-Eintrag
ord-902ea403518a44b6bd8b20c809a5bd4f
Quelldatensatz
uspto-grants-1977_08
Patentnummer
US04045456

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