Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolo

Details Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolo Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolo

1988-02-17

1989-07-11

Higel, Floyd D.

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

Organic compounds

Azo

534575, 534602, 534753, 534775, 534795, 534887, C09B 4514, C09B 4518, C09B 4520, C09B 4522

Patent

active

048473650

ABSTRACT:
The invention relates to novel 1:1 metal complexes of a divalent transition metal and an azo compound of the formula (1) ##STR1## wherein X is a hydrogen or a halogen atom, an alkyl, alkoxy, aryloxy, nitro, acylamino, ureido, arylureido, thioureido, thiocyano or sulfamoyl group or a phthalimido group which is unsubstituted or substituted by halogen atoms,

REFERENCES:
patent: 2921061 (1960-11-01), Ackermann et al.
Callis et al., J. Am. Chem. Soc., vol. 74, pp. 3461 to 3464, (1952).
A.P.C. Application of Mueller et al., Ser. No. 391,542, published Apr. 27, 1943.
R. Garvanska et al., God. Vissh, Khim-Tekhnol. Inst. Sofia, 21, 259, (1973)=(C.A. 85 178829u) (1976).

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