Process for the preparation of styryl dyestuffs

Details Process for the preparation of styryl dyestuffs Process for the preparation of styryl dyestuffs

1982-06-28

1984-03-27

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, C07C12180

Patent

active

044393725

ABSTRACT:
Process for the preparation of styryl dyestuffs of the formula ##STR1## in which R.sub.1 and R.sub.2 denote hydrogen, alkyl, alkoxy or halogen and

REFERENCES:
patent: 2206108 (1940-07-01), Muller et al.
patent: 2583551 (1952-01-01), Dickey et al.
patent: 2798090 (1957-07-01), Krell et al.
patent: 4132840 (1979-01-01), Hugl et al.

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