Copper complexes of further substituted 2,4-di-[2'-(2"-hydroxyph

Details Copper complexes of further substituted 2,4-di-[2'-(2"-hydroxyph Copper complexes of further substituted 2,4-di-[2'-(2"-hydroxyph

1987-01-07

1991-04-09

Higel, Floyd D.

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

Organic compounds

Azo

534573, 534701, 8549, 8641, C09B 6209, C09B 62095, C09B 6722, C09B 6724

Patent

active

050066447

ABSTRACT:
Complexes of the formula ##STR1## and salts thereof, wherein each of R.sub.1 -R.sub.4 is independently hydrogen, halo, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, --NHCOR.sub.8, --COX or --SO.sub.2 Z,

REFERENCES:
patent: 1779298 (1930-10-01), Straub et al.
patent: 2467621 (1949-04-01), Kaiser et al.
patent: 2835663 (1958-05-01), Benz, I
patent: 3803121 (1974-04-01), Gregory
patent: 4010150 (1977-03-01), Tabet et al.
Venkataraman, "The Chemistry of Synthetic Dyes", vol. I, pp. 523, 547 (1952).
Colour Index, 3rd Ed., vol. 4, pp. 2132, 4274, 5102 (1971).

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