Patent number: 4192883
Abstract: New chemical compounds, which are pyrrolidinoethylamine amides, in the form of free bases and salts thereof, which are useful as antitussives, pharmaceutical compositions thereof, and method of treating therewith.In the form of their salts, the compounds have the formula: ##STR1## wherein ##STR2## is an acyl radical of a phenylacetic,.alpha.-phenyl-.alpha.-ethylacetic, diphenylacetic, benzilic, .alpha.-lower-alkoxy-.alpha.,.alpha.-diphenylacetic, 10-phenothiazinecarboxylic, benzoic, halobenzoic, 3-coumarincarboxylic, 9-xanthenecarboxylic, salicylic, cresotic, halocresotic, lower-alkoxybenzoic, phenoxyacetic, phenoxyisobutyric, halophenoxyisobutyric, cinnamic, or 9-fluorene carboxylic acid, and wherein R'H represents an inorganic or organic acid, and wherein R may be, for example, a substituted aromatic ring of the formula: ##STR3## wherein R.sub.1 and R.sub.2 may independently be lower-alkyl, lower-alkoxy, hydrogen, lower-alkenyloxy, or lower-alkynyloxy, and X may be hydrogen or halogen.
Type:
Grant
Filed:
August 7, 1978
Date of Patent:
March 11, 1980
Assignee:
Pierre Fabre, S.A.
Inventors:
Henri Cousse, Bernard Bonnaud, Jean-Pierre Tarayre, Silvano Casadio