Yellow to blue dyestuffs of the benzo-benzimidazo(1,2-a)-quinoli

Details Yellow to blue dyestuffs of the benzo-benzimidazo(1,2-a)-quinoli Yellow to blue dyestuffs of the benzo-benzimidazo(1,2-a)-quinoli

1977-05-31

1978-03-07

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1D, 106288Q, C09B 1704, C07D47116

Patent

active

040779610

ABSTRACT:
Compounds of the formula ##STR1## in which R.sub.1 represents hydrogen, lower alkyl, lower alkoxy, lower alkylene or cycloalkyl-C.sub.3 --C.sub.6, R.sub.2 represents hydrogen, hydroxyl or lower alkoxy, R.sub.3 represents cyano, carboxyl, --COO-lower alkyl, ##STR2## R.sub.4 represents hydrogen or nitro, and R.sub.5 represents hydrogencyano or carboxyl, these compounds representing yellow to blue dyestuffs, serving as textile dyestuffs, pigments or fluorescent dyestuffs dependent on the specific definitions of R.sub.1 to R.sub.5 within the given definitions more above.

REFERENCES:
patent: 3935226 (1976-01-01), Jordon, Jr.

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