Process for the manufacture of halogen-containing anthraquinoida

Details Process for the manufacture of halogen-containing anthraquinoida Process for the manufacture of halogen-containing anthraquinoida

1974-09-27

1976-08-17

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 39B, 260370, 260372, 260381, 260384, C07C 4968

Patent

active

039754103

ABSTRACT:
Process for the manufacture of halogen-containing anthraquinoidal compounds being useful for bulk dyeing high molecular organic compounds and having the formula ##SPC1##
Wherein A is an anthraquinoidal radical being free from nitro groups, X is --NH-- or --S--, n is a number of 1 to 4. R.sub.1 to R.sub.5 is hydrogen, halogen, alkyl, alkoxy, aryloxy, aroyl or arylsulphonyl, and Hal is halogen, by halogenating compounds of the formula ##SPC2##

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patent: 2226909 (1940-12-01), Peter
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patent: 3797995 (1974-03-01), Renfrew et al.
patent: 3836549 (1974-09-01), Yamada
patent: 3842101 (1974-10-01), Graser

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