3- (diphenylamino) phthalides

Details 3- (diphenylamino) phthalides 3- (diphenylamino) phthalides

C - Chemistry, Metallurgy

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42/1, 260/306, 2

C07D 307/88 (2006.01) B41M 5/025 (2006.01) B41M 5/145 (2006.01) B41M 5/327 (2006.01) C07D 307/90 (2006.01) C07D 407/04 (2006.01) C07D 471/04 (2006.01)

Patent

CA 1082708

ABSTRACT OF THE DISCLOSURE 3-[4-(Disubstituted-amino)phenyl]- or 3-[(9-julolidin- yl))-3-(diphenylamino)phthalides useful as color formers in pres- sure-sensitive and thermal marking systems are prepared by reac- tion of 2-14-(disubstituted-amino)benzoyl] or (9-julolidinyl- carbonyl)benzoic acids with diphenylamines.

293980

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