1,3-Diphenyl pyrazolines

Details 1,3-Diphenyl pyrazolines 1,3-Diphenyl pyrazolines

1975-08-04

1976-12-14

Moyer, Donald B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260311, 427158, 8 1W, C07D40710, C07D23106

Patent

active

039975568

ABSTRACT:
Disclosed are anionic optical brightening agents, such agents being 1,3-diphenyl pyrazolines characterized by having, in the 4- or 5-position of the pyrazoline ring, a sulphoalkyl substituent, their production and use.

REFERENCES:
patent: 3746720 (1973-07-01), Littlewood
patent: 3753978 (1973-08-01), Adelsberger et al.

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