Sulfonamide derivative

Details Sulfonamide derivative Sulfonamide derivative

1991-12-20

1994-01-04

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

C07C31500

Patent

active

052761797

ABSTRACT:
The sulfonamide derivative according to the present invention is expressed by a general formula: ##STR1## (where R.sub.11 represents an alkyl group having 5 or less carbon atoms; Each of L.sub.11, L.sub.12 and L.sub.13 represents an alkylene group; Each of M.sub.11 and M.sub.12 represents a hydrogen atom or a cation.)
This compound is suitable for the applications such as photographic processing solution, for chelate titration or analytical reagent for medical treatment or for medical drugs as a metallic ion shielding agent.

REFERENCES:
patent: 3721706 (1973-03-01), Hoffman
patent: 4222777 (1980-09-01), Nakajima
patent: 4536298 (1985-08-01), Kamei
Martell, "Chemistry of the Metal Chelate Compounds," pp. 471-513 (1952).
"Hackh's Chemical Dictionary," 4th Ed., p. 27 (1969).

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