Pyrazoline derivatives

Details Pyrazoline derivatives Pyrazoline derivatives

C - Chemistry, Metallurgy

09

B

8/52, 260/315.4,

C09B 57/00 (2006.01) C07D 231/06 (2006.01) C07D 295/108 (2006.01) D06L 3/12 (2006.01)

Patent

CA 1063124

PYRAZOLINE DERIVATIVES Abstract of the Disclosure Disclosed are anionic optical brightening agents, such agents being 1,3-diphenyl pyrazolines characterised by having, in the 4- or 5-position of the pyrazoline ring, a sulphoalkyl substituent, their production and use. These compounds typically have the structures of formula Image I

233019

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