Amphoteric styrene derivatives

C - Chemistry – Metallurgy – 09 – B

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8/52, 260/382.4,

C09B 23/14 (2006.01) C07D 295/15 (2006.01) C07D 295/26 (2006.01) C11D 1/38 (2006.01) C11D 3/42 (2006.01) D06L 3/12 (2006.01)

Patent

CA 1192211

Abstract The amphoteric styrene derivatives correspond to the formula (1) Image in which X is oxygen, sulfur, a direct bond, -SO2N(R5?, -CON(R5? or -COO-, Y1 and Y2 independently of one another are C1-C4-alkylene or hydroxypropylene, R1 and R2 indepen- dently of one another are C1-C4-alkyl or, together with the N atom, are a pyrrolidine, piperidine, hexamethylene- imine or morpholine ring, and R1, together with R5, is also a piperazine ring, R3 and R4 are hydrogen, C1-4-alkyl, chlorine, C1-4-alkoxy or C3-4-alkenyl or together, in the o-position relative to one another, are a trimethylene or tetramethylene group, R5 is hydrogen, C1-4-alkyl or cyano- ethyl or, together with R1, is a piperazine ring, Q is -COO or -SO3 and n is the number 1 or 2, and can be prepared by reacting the corresponding amine compounds with a halide of the formula Hal-Y2-QH and saponifying the quaternary ammonium halides eventually formed. They can be used for the fluorescent brightening of organic materials.

396914

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