Therapeutically active derivatives of benzamide

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Virus or component thereof

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2603977R, 424309, 424319, 560 21, 560 22, 560 35, 562435, 562437, 562440, A61K 3163, A61K 3124, C07C14380, C07C10328

Patent

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043128629

ABSTRACT:
Novel therapeutically active derivatives of benzamide, having the general formula ##STR1## in which R.sub.1 and R.sub.2, independently of each other, are hydrogen or a lower alkyl group, R.sub.3 is a phenyl or lower alkyl or lower alkenyl group, R.sub.4 is a halogen or a trifluoromethyl or nitro-group, R.sub.5 is a sulphamoyl or carboxyl or carboxy-alkyl group, and the potassium salts of these derivatives.
These compounds are diuretics and hypotensors (blood pressure depressants) and they lower the angiotensin and renin functions, with prolonged action.

REFERENCES:
Smith, T. A. Kilroe et al., Tetrahedron, vol. 1, (1957), pp. 38-44.
U.S. Adopted Drug Names; vol. NSB, No. 9, Sep. 1968, p. 511.

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