Abstract: The invention relates to 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridines of formula ##STR1## in which R represents a cyano, acetyl or cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene of from 1 to 4 carbon atoms, as well as to the salts thereof, having an anorectic activity, to a process for preparing same and to pharmaceutical compositions containing said compounds, useful in the treatment of obesity.

Abstract: Amidobenzamides acting as histamine H.sub.2 receptors blocking agents, of formula ##STR1## wherein A is CO or SO.sub.2 and B is alkyl, phenyl, pyridyl, pyridyl-1-oxyde, pyrazinyl or thienyl; their salts; process for their preparation by reaching 2-(5-dimethyl-aminomethylfuran-2-ylmethylthio)ethylamine with a derivative of formula ##STR2## and optional salification and pharmaceutical compositions containing same.

Abstract: The present invention relates to novel 4-amino-1-(2-pyridyl)piperidines with anorexiant action, of formula: ##STR1## in which R represents hydrogen, a halogen, a methyl group, a trifluoromethyl group, a lower alkoxy group, a trifluoromethoxy group, a 2,2,2-trifluoroethoxy group, a lower alkylthio group, a trifluoromethylthio group, a possibly substituted phenoxy group or a possibly substituted phenylthio group; to salts thereof; to a process for preparation thereof; to drugs containing same; and to intermediate products in the synthesis thereof.