Anthraquinone compounds and process for preparing same

Details Anthraquinone compounds and process for preparing same Anthraquinone compounds and process for preparing same

C - Chemistry, Metallurgy

09

B

260/236.16

C09B 1/00 (2006.01) C09B 1/44 (2006.01) C09B 1/516 (2006.01) C09B 1/54 (2006.01) D06P 1/24 (2006.01)

Patent

CA 1111031

ABSTRACT OF THE DISCLOSURE: The present invention relates to a new class of compounds belonging to the anthraquinone series, having the general formula: Image (I) wherein R, R', R", R"', R'v are indifferently H or Chlorine, Bromine, -OH, -OCH3, Image , - NH - alkyl having 1 to 4 carbon atoms, Image , Image , Image . Such compounds exhibit a colour varying from yellow to violet depend- ing on the nature and position of substituents R, R', R", R"', R'v and, in virtue of their excellent stability characteristics, they are particularly useful as pigements and vat dyes.

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