cas 116-71-2, DIBENZANTHRONE | Articles data ｜lookchem

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116-71-2

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Perylene derivatives formation in reaction of 3-bromobenzanthrone and 4-bromonaphthalic acid derivatives with a reduction system NiCl2 - 2,2′bipyridyl (or 1,10-phenathroline) - Zn
The reaction of 3-bromobenzanthrone and 4-bromonaphthalic acid derivatives with a reduction system NiCl2-2,2′bipyridyl (or 1,10-phenathroline)-Zn gives rise to compounds containing perylene fragment. Under similar conditions was established a possibility to transform substituted 1,1′-binaphthyls into the corresponding perylene derivatives.
Adonin,Ryabinin,Starichenko
p. 861 - 865
(2007/10/03)

Vat dyes
Vat dyes obtainable by a) halogenation of dibenzanthrone with bromine in the presence of chlorosulfonic acid and of a halogenation catalyst to a bromine content from 26 to 32% by weight and a chlorine content from 1 to 5% by weight, and b) condensation of the isolated halogenation product with 1-aminoanthraquinone in a molar ratio from 1:2 to 1:2.5 in the presence of an inert solvent, the concentration of halogenated dibenzanthrone and 1-aminoanthraquinone together being at least 200 g/l of solvent are useful for dyeing or printing cellulose-containing textile material.
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(2008/06/13)

CONVERSION OF 3-BROMOBENZANTHRONE INTO VIOLANTHRONE UNDER THE CONDITIONS OF CATALYSIS BY PALLADIUM COMPOUNDS
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Shigalevskii, V. A.,Borodina, A. V.,Kozyuberda, L. I.
p. 1413 - 1414
(2007/10/02)

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Chemical Properties

Appearance/Colour :Bluish-black to black powder
Melting Point: 338-339 °C
Boiling Point: 522.64°C (rough estimate)
Density: 1.487g/cm³
Storage Temp.:Sealed in dry,Room Temperature
Refractive Index: 1.926
PSA: 34.14000
LogP: 8.16000

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