Cysteine derivatives, a process for their preparation, and pharm

Details Cysteine derivatives, a process for their preparation, and pharm Cysteine derivatives, a process for their preparation, and pharm

1984-11-21

1985-12-17

Trousof, Natalie

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

260546, 514562, 560142, A61K 31165, A61K 31245, C07C10350, C07C 69157

Patent

active

045593604

ABSTRACT:
New cysteine derivatives of mucolytic, antipyretic, analgesic and anti-inflammatory action are described, which are obtained by condensing S-(carboxymethyl)-L-cysteine with acetylsalicylic acid. The present invention also relates to salts of the new compounds formed with alkaline and/or alkaline-earth metals, ammonium salts, salts formed with compatible amines, with amino acids or with physiologically acceptable acids. A process is also described for their preparation.

REFERENCES:
patent: 3591686 (1971-07-01), Sheffner
patent: 3981910 (1976-09-01), Offermanns et al.
patent: 4093740 (1978-06-01), Fahneustich et al.

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