Isoindoles

Details Isoindoles Isoindoles

C - Chemistry, Metallurgy

07

D

260/302.7

C07D 417/04 (2006.01) C07D 209/44 (2006.01) C07D 277/32 (2006.01)

Patent

CA 1069905

ABSTRACT OF THE DISCLOSURE Novel 1-imino-3-(4-thioxo-5-thiazolidinylidene)- isoindolines of 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; and Z is oxygen or sulfur. Said compounds by reaction with an appropriate metal salt produce metal chelates useful as water-insoluble pigments.

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