Heterocyclic phenyl azo hydroxybenzenes

Details Heterocyclic phenyl azo hydroxybenzenes Heterocyclic phenyl azo hydroxybenzenes

1978-03-20

1980-08-26

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260208, 424226, C07C10706, A61K 3163, A61K 31635, A61K 31655

Patent

active

042194741

ABSTRACT:
The following novel azo compounds, pharmaceutically acceptable salts and process for preparing the same are disclosed: 2-[(p-(2-pyridylsulfamoyl)phenyl)azo]hydroxybenzene; 3-[(p-(2-pyridylsulfamoyl)phenyl)azo]salicylic acid; and 5-[(p-(4-(2-pyridylanilino))-N-phenyl)azo]salicylic acid.

REFERENCES:
patent: 2396145 (1946-03-01), Askelof et al.
patent: 3681319 (1972-08-01), Lindberg
patent: 3915951 (1975-10-01), Agback et al.
Venkataraman, The Chemistry of Synthetic Dyes, vol. I, Academic Press Inc.: New York, 1952, p. 415.
Doraswamy et al, Chemical Abstracts, vol. 41, 1947, 2015f.
Chemical Abstracts, vol. 41, Formula Index, C.sub.17 H.sub.14 N.sub.4 O.sub.3 S.

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