Abstract: Pyrrolo[1,2-a]azepinone derivatives of formula: ##STR1## in which R.sub.3 is H or halogen and either (A) R is benzyl or phenylthio in which the phenyls are optionally substituted by one or more halogens or hydroxy, alkyl, alkyloxy or alkylthio radicals, R.sub.1 and R.sub.2, which may be identical or different, denote alkyl optionally substituted by dialkylamino in which the alkyls are optionally joined to form a 1-pyrrolidinyl, piperidino, morpholino or 1-piperazinyl ring substituted by alkyl, or alternatively R.sub.1 and R.sub.2 form a heterocyclic ring chosen from pyrrolidine, piperidine, morpholine and piperazine, substituted by alkyl, alkenyl (2 to 4 C), benzyl or phenethyl optionally substituted by halogen, alkyl, alkyloxy, alkylthio, CF.sub.

Abstract: Pyrrolo[1,2-a]azepinone derivatives of formula: ##STR1## in which R.sub.3 is H or halogen and either (A) R is benzyl or phenylthio in which the phenyls are optionally substituted by one or more halogens or hydroxy, alkyl, alkyloxy or alkylthio radicals, R.sub.1 and R.sub.2, which may be identical or different, denote alkyl optionally substituted by dialkylamino in which the alkyls are optionally joined to form a 1-pyrrolidinyl, piperidino, morpholino or 1-piperazinyl ring substituted by alkyl, or alternatively R.sub.1 and R.sub.2 form a heterocyclic ring chosen from pyrrolidine, piperidine, morpholine and piperazine, substituted by alkyl, alkenyl (2 to 4 C), benzyl or phenethyl optionally substituted by halogen, alkyl, alkyloxy, alkylthio, CF.sub.

Abstract: The invention provides new substituted amides of formulaR--CONH--Hetin which:either R is phenyl substituted by acyloxy, alkylthio or alkyloxycarbonylamino, or by chloro at the 2- or 4-position, or by two alkyloxy radicals, or R is 2- or 4-pyridyl, pyrazinyl, 5,6-dihydrodithiin-2-yl, 5,6-dihydrooxathiin-2-yl, 1,3-dithiolyl, thiazolyl or substituted thienyl or furyl, or R is alkenyl (of 2 to 4 carbons) unsaturated in the .alpha.-position to the amide carbonyl, and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by halogen, alkyloxy, phenoxy, 3-chloro- or dichlorophenoxy, hydroxy or cyano,or R is methoxyphenyl and Het is 1,8-naphthyridin-2-yl substituted in the 7-position by 3-chloro- or dichlorophenoxy, hydroxy or cyano, or R is methoxy-3-pyridazinyl and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by phenoxy, the said alkyl and acyl radicals containing 1 to 4 carbon atoms in a linear or branched chain, their preparation and the pharmaceutical compositions which contain them.

Abstract: The invention provides new substituted amides of formula:R--CONH--Hetin which: either R is cycloalkyl (3 to 6 carbons), cyclohexadienyl, phenyl, substituted phenyl or a heterocyclic systems chosen from 3-pyridyl, alkyloxy-3-pyridyl, thienyl, alkylthienyl, furyl, tetrahydropyridyl, pyridazinyl, and alkylpyridazinyl, and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by alkyloxy, alkylthio or alkylsulphinyl, themselves substituted with alkylamino or dialkylamino (in which the alkyl portions can form, with the nitrogen atom, a 5- or 6-membered heterocyclic system optionally containing another hetero atom chosen from O, S or N, and optionally substituted by alkyl) or by dialkylcarbamoyl or N-alkyl-N-(alkyloxycarbonyl)amino, or substituted at the 7-position by dialkylaminovinyl; or R is 4-(alkylamino)phenyl or 4-(alkyloxycarbonylamino)phenyl and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by alkyloxy or alkylthio, the said alkyl radicals and alkyl portions containing 1 to 4 carbons, thei

Abstract: Amides of formula ##STR1## in which either R is 2-quinolyl, substituted phenyl (substituted by Br, 3-Cl, CF.sub.3, alkyloxycarbonyl, 4-dialkylamino), dichlorophenyl, trialkyloxyphenyl, benzyl, styryl, benzoyl or anilino and R' is halogen, phenyl or anilino or R' is phenoxy or 4-chlorophenoxy when R is 2-quinolyl, substituted phenyl, trialkyloxyphenyl, benzyl or styryl or R' is 4-fluoro(or alkyloxy)phenyl when R is 4-trifluoromethyl (or dialkylamino)phenyl, or R' is 3-bromophenyl when R is anilino, or R is phenyl or alkyloxyphenyl and R' is phenyl, 4-chlorophenoxy, anilino or 1-pyrrolidinyl or R' is 2-(or 4-)chlorophenyl, 3-(or 4-)bromophenyl, 4-alkyloxyphenyl or 3,4-dichloro(or dibromo)phenyl when R is phenyl or R is 3-halophenyl and R' is 3-(or 4-)fluorophenyl, 3-(or 4-)bromophenyl, 4-chlorophenyl, 2-(or 3-)-alkyloxyphenyl, 3-alkylphenyl or 3,4-difluoro(dichloro or dibromo)phenyl, the straight-chain or branched alkyl radical containing 1 to 4 carbon atoms each, are useful as immunostimulant agents.

Abstract: The invention provides novel substituted amides of formula:R--CONH--Hetin which R is cycloalkyl, cyclohexadienyl, phenyl optionally substituted with one or 2 fluorine atoms or with a hydroxy radical, or substituted at position 3- or 4- with an alkyl or alkyloxy radical, or with a methylenedioxy radical at positions 3- and 4-, or at position 2- or 3- with a dialkylamino radical, or is 3-pyridyl, alkyloxy-3-pyridyl, thienyl, alkylthienyl, furyl, tetrahydropyridyl, pyridazinyl and alkylpyridazinyl, and Het is 2-quinolyl or 1,8-naphthyridin-2-yl, both optionally substituted at position 7- with a halogen atom or a hydroxymethyl, alkyl, alkyloxy, alkyloxyalkyloxy, alkenyloxy or alkynyloxy radical (of 3 or 4 carbon atoms), an alkylthio or benzylthio radical, a phenoxy radical which is optionally substituted (with fluorine, with chlorine or bromine at position 2-, or with an alkyloxy radical or 1 or 2 alkyl radicals) or with pyridyloxy or alkylpiperidyloxy, provided that, when Het is 2-quinolyl, R is other than pheny