Preparation of nitrobenzophenones, and a color-stable modificati

Details Preparation of nitrobenzophenones, and a color-stable modificati Preparation of nitrobenzophenones, and a color-stable modificati

1992-09-23

1994-11-15

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568323, C07C 4545

Patent

active

053649729

ABSTRACT:
A process for preparing nitrobenzophenones by reaction of benzene or its derivatives with nitrobenzoyl chloride in the presence of a Lewis acid, a color-stable modification of 1,4-dimethyl-5-cyano-3-[4-(2,4-dimethylbenzoyl)phenylazo]-2-hydroxy-6-pyri done and its use for dyeing or printing synthetic fiber material are described.

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Chemical Abstracts, vol. 84, 1976, Columbus, Ohio, US; abstract No. 105291h, Farberov, M. I. Et al. `6-or 7-Aminoanthraquinone-2-carboxylic acids,` SU-A-430 631 Jan. 5, 1976, 1 page.
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