Isoindoline compounds and preparation

Details Isoindoline compounds and preparation Isoindoline compounds and preparation

C - Chemistry, Metallurgy

09

B

8/1, 260/302.7

C09B 57/00 (2006.01) C09B 57/04 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1060895

ABSTRACT OF THE DISCLOSURE Metal chelates of 1-imino-3-(2-oxo-4-thioxo-5-thiazol- idinylidene) isoindolines useful as water-insoluble pigments and having the formula Image in which R, R1, R2 and R3 are the same or different hydrogen, alkyl having one to three carbon atoms, alkoxy having one to three carbon atoms, halo, trifluoromethyl, phenyl or phenyl substituted by alkyl having one to three carbon atoms, alkoxy having one to three carbon atoms or halogen; Me is copper, cobalt or nickel; and Z is oxygen or sulfur. These compounds can be prepared from 1-imino-3-(4-thioxo-5-thiazol- idinylidene) isoindolines by reaction with an appropriate metal salt.

233033

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