Process for the preparation of cationic naphtholactam dyestuffs

Details Process for the preparation of cationic naphtholactam dyestuffs Process for the preparation of cationic naphtholactam dyestuffs

1978-09-18

1981-08-11

Sutto, Anton H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2603265B, 26032642, 26032662, 260373, C07D21512, C07D20980

Patent

active

042835402

ABSTRACT:
Water-soluble cationic dyestuffs are prepared by the reaction of dyestuffs of the formula ##STR1## wherein R and R.sub.1 represent alkyl,

REFERENCES:
patent: 2768183 (1956-10-01), Hoefle
patent: 3157633 (1964-11-01), Kuhn
patent: 3974178 (1976-08-01), Okhawa
Wagner et al., Synthetic Organic Chemistry, (New York, 1953), pp. 226-231.

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