Preparation of cationic alkylenediamine dye intermediates

Details Preparation of cationic alkylenediamine dye intermediates Preparation of cationic alkylenediamine dye intermediates

1989-11-16

1993-06-29

Hidel, Floyd D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564282, 564290, 564291, 564295, 564296, C07D213127, C07C21308, C07C24102, C07C21590

Patent

active

052236269

ABSTRACT:
Compounds of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are each independently of the others hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen or C.sub.1 -C.sub.4 alkanoylamino,

REFERENCES:
patent: 2099525 (1937-11-01), Krzikalla et al.
patent: 3658781 (1972-04-01), Hegar
patent: 4695632 (1987-09-01), Kalk et al.
Tong et al., J. Amer. Chem. Soc., vol. 82, pp. 1988 to 1996, (1960).
R. L. Bent, J. Am. Chem., 73, 3100-3123, (1951).

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