Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1975-06-16
1978-04-11
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
2602564N, 8 542, 8162R, 260154, 544 58, 544112, 544 82, C07D48714
Patent
active
040840530
ABSTRACT:
Polycyclic compounds of the general formula I ##STR1## in which the nucleus A can be further substituted, Y is a hydrogen atom or an optionally substituted hydrocarbon radical, and R.sub.1 and R.sub.2 each denote hydrogen, aryl, aralkyl, cycloalkyl or an aliphatic radical, and R.sub.1 and R.sub.2 can form a ring containing the amine nitrogen and mixtures thereof with one another. The dyestuffs dye natural and synthetic fibres in fast yellow and orange shades.
REFERENCES:
patent: 3720671 (1973-03-01), Kaupp et al.
Desai Nalin Binduprasad
Ramanathan Visvanathan
Almaula Prabodh I.
Ciba-Geigy Corporation
Ford John M.
McC. Roberts Edward
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