Yellow quinoline derivatives and their production

Details Yellow quinoline derivatives and their production Yellow quinoline derivatives and their production

C - Chemistry, Metallurgy

09

B

6/217, 400/7086,

C09B 57/00 (2006.01) C09B 25/00 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1071212

ABSTRACT OF THE DISCLOSURE A compound of the following formula Image wherein R represents a methyl group; X1 represents a chlorine or bromine atom; Y represents the group of the formula or Image Image wherein X2 and X3 each represent a chlorine or bromine atom, and n is an integer of 2 to 4; and ring A may be substituted by an alkyl group containing 1 to 4 carbon atoms and/or a halogen atom. The compound of formula (I) can be easily produced by reacting a quinoline derivative of the formula Image wherein R, X1 and the ring A are the same as defined above, with an aryldicarboxylic acid or its reactive derivatives. The compounds of formula (I) are useful as yellow organic pigments. -1'-

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