Abstract: Compounds of the formula I: ##STR1## in which: n=1-4,R represents hydrogen, halogen, alkyl, hydroxyl or alkoxy, R.sub.1 represents a radical --NHCOR2 (A.sub.1); (in which R.sub.2 represents alkyl, cycloalkyl, phenyl optionally substituted-, --O-alkyl, 3-pyridyl, 2-pyrrolyl, quinolyl, 1-isoquinolyl, 2-thienyl or 3-indolyl); a radical of --NHS02R3 (A.sub.2) (in which R.sub.3 represents alkyl, cycloalkyl or phenyl optionally substituted); a radical --NHCONHR4 (A.sub.3) (in which R.sub.4 represents alkyl or phenyl-optionally substituted); a phthalimido radical (A.sub.4); an o-sulfobenzoic imido radical (A.sub.5); a di(benzoyl)amino radical (A.sub.6) optionally substituted; a radical of formula A.sub.7 : ##STR2## (in which R.sub.5 represents carbamoyl, cyano, carboxy or alkoxycarbonyl); or a radical of formula A.sub.8 : ##STR3## their stereoisomers and their addition salts with a pharmaceutically-acceptable inorganic or organic acid, are disclosed to be useful as 5-HT.sub.

Abstract: The invention relates to the compounds of general formula I: ##STR1## in which: R.sub.1 represents a hydrogen atom, a linear or branched alkyl radical containing from 1 to 6 carbon atoms, a linear or branched alkenyl radical containing from 2 to 6 carbon atoms, an arylalkyl radical having 7 to 10 carbon atoms and which can bear a halogen atom as a substituent on the aromatic ring, a hydroxyl radical or an alkyl or alkoxy radical each containing from 1 to 5 carbon atoms, a 2-indolylmethyl radical, a 4-imidazolylmethyl radical or an alkoxycarbonylmethyl radical containing from 3 to 11 carbon atoms,R.sub.2 and R.sub.3, which may be identical or different, each represents a linear or branched alkyl radical containing from 1 to 6 carbon atoms,n is equal to 1 or 2,R.sub.4 represents a hydrogen atom, a formyl radical or a methyl radical, with the proviso, however, that R.sub.4 is never the methyl radical when n is equal to 2, andeither R.sub.5 and R.sub.6 together form a double bond, or R.sub.

Abstract: The invention relates to compounds of formula I: ##STR1## in which m=2-4,n and p, which may be identical or different, are an integer equal to 1, 2 or 3, with the proviso that the sum of n and pq=0 or 1,R is a 1,2,3,4-tetrahydro-2,4-dioxo-3-quinazolinyl radical, optionally substituted, a 1,3,4,6,11,11a-hexahydro-1,3-dioxo-2H-pyrazino[1,2-b]isoquinol-2-yl radical, a 1,2-dihydro-1-oxo-2-phthalazinyl radical, optionally substituted, a 2,6-dioxo-1-piperazinyl radical of formula W: ##STR2## (R.sub.3 is a 2-pyridyl radical or an optionally substituted phenyl radical),a radical of formula Z: ##STR3## (R.sub.4 is a carbamoyl radical, a cyano radical, a hydroxycarbonyl radical or an alkoxycarbonyl radical having 1 to 6 carbon atoms),or a radical of formula Y: ##STR4## (R.sub.5 is a 2-pyrimidinyl radical, a 1-isoquinolyl radical, a 2-quinolyl radical, a 2-pyridyl radical, a benzyl radical, optionally substituted, a 2-thiazolyl radical, optionally substituted, or a 2-benzothiazolyl radical) andeither R.sub.1 and R.sub.

Abstract: The invention relates to the compounds of general formula I: ##STR1## in which: m represents an integer from 2 to 4,n and p, which may be identical or different, each represent an integer from 1 to 3,q represents 0 or 1, andR represents:either a group of formula (A): ##STR2## or a radical of formula (B): ##STR3## or a 2,4-dioxo-1,2,3,4-tetrahydroquinazolinyl radical, on condition, however, that, in this case, n and p do not simultaneously represent the number 2,or a benzhydryloxy group,or a 1-oxophthalazinyl radical,or a 5-oxothiazolo[3,2-A]pyrimidinyl radical,or a group of formula C: ##STR4## their possible stereoisomers and their addition salts with a pharmaceutically acceptable inorganic or organic acid.The compounds of formula I are medicinal products with useful 5-HT.sub.2 - and .alpha..sub.1 -antagonistic activities.

Abstract: The invention relates to compounds of formula I: ##STR1## in which m=2-4,n and p, which may be identical or different, are an integer equal to 1, 2 or 3, with the proviso that the sum of n and p is 5,q=0 or 1,R is a 1,2,3,4-tetrahydro-3-quinazolinyl radical, optionally substituted, a 1,3,4,6,11,11a-hexahydro-1,3-dioxo-2H-pyrazino[1,2-b]isoquinol-2-yl radical, a 1,2-dihydro-1-oxo-2-phthalazinyl radical, optionally substituted, a 2,6-dioxo-1-piperazinyl radical of formula W: ##STR2## (R.sub.3 is a 2-pyridyl radical or an optionally substituted phenyl radical),a radical of formula Z: ##STR3## (R.sub.4 is a carbamoyl radical, a cyano radical, a hydroxycarbonyl radical or an alkoxycarbonyl radical having 1 to 6 carbon atoms),or a radical of formula Y: ##STR4## (R.sub.5 is a 2-pyrimidinyl radical, a 1-isoquinolyl radical, a 2-quinolyl radical, a 2-pyridyl radical, a benzyl radical, optionally substituted, a 2-thiazolyl radical, optionally substituted, or a 2-benzothiazolyl radical) andeither R.sub.1 and R.sub.

Abstract: The invention relates to compounds of formula I: ##STR1## in which m=2-4,n and p, which may be identical or different, are an integer equal to 1, 2 or 3, with the proviso that the sum of n and p is not less than 3 and not more than 5,q=0 or 1,R is a 1,2,3,4-tetrahydro-3-quinazolinyl radical, optionally substituted, a 1,3,4,6,11,11a-hexahydro-1,3-dioxo-2H-pyrazino[1,2,-b]isoquinol-2-yl radical, a 1,2-dihydro-1-oxo-2-phthalazinyl radical, optionally substituted, a 2,6-dioxo-1-piperazinyl radical of formula W: ##STR2## (R.sub.3 is a 2-pyridyl radical or an optionally substituted phenyl radical),a radical of formula Z: ##STR3## (R.sub.4 is a carbamoyl radical, a cyano radical, a hydroxycarbonyl radical or an alkoxycarbonyl radical having 1 to 6 carbon atms),or a radical of formula Y: ##STR4## (R.sub.

Abstract: The invention relates to N-(23-vinblastinoyl)compounds of 1-aminomethylphosphonic acid of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical containing from 1 to 6 carbon atoms, a linear or branched alkylene radical containing from 1 to 6 carbon atoms, an arylalkyl radical having 7 to 10 carbon atoms and capable of bearing a halogen atom as a substituent on the aromatic ring, a hydroxyl radical or an alkyl or alkoxy radical each containing from 1 to 5 carbon atoms, a 2-indolylmethyl radical, a 4-imidzolylmethyl radical or an alkoxycarbonylmethyl radical containing from 3 to 11 carbon atoms,R.sub.2 and R.sub.3, which may be identical or different, each denote a linear or branched alkyl radical containing from 1 to 4 carbon atoms,in the form of a mixture of diastereoisomers or of pure isomers, their N.sup.b' -oxides and their addition salts with a pharmaceutically acceptable inoranic or organic acid.These compounds are antitumor agents.

Abstract: The invention relates to compounds of formula I ##STR1## in which R.sub.1 and R.sub.2 form together and with the piperazine-2,6-dione radical to which they are attached a hexahydropyrazino-.beta.-cabbolinedione radical,R.sub.3 denotes a pyrimidinyl radical or a phenyl radical optionally substituted by an alkyl radical of 1 to 4 carbon atoms or a trifluoromethyl radical,n is an integer of 2 to 4, inclusive.

Abstract: The invention relates to new acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone, of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen or halogen atom,R.sub.2 and R.sub.3, which may be identical or different, each denote a hydrogen atom or a linear or branched alkyl radical containing 1 to 4 carbon atoms, a benzyl radical optionally substituted with a halogen atom, with an alkoxy radical containing 1 to 4 carbon atoms or with an alkyl radical having 1 to 4 carbon atoms, or a 3,4-methylene-dioxybenzyl radical, or form, together with the nitrogen to which they are attached, a 4-morpholinyl radical or a 1-piperazinyl radical.

Abstract: The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,R.sub.2 denotes a hydrogen or halogen atom, a hydroxyl radical, an alkyl radical having 1 to 4 carbon atoms or an alkoxy radical containing 1 to 4 carbon atoms,R denotes a hydroxyl radical, a linear or branched alkoxy radical having 1 to 4 carbon atoms, a benzyloxy radical or a radical of general formula A: ##STR2## in which: X and Y, which may be identical or different, each denote a linear or branched alkyl radical containing 1 to 5 carbon atoms, a radical of general formula A.sub.

Abstract: The invention relates to the compounds selected from those of formula I ##STR1## in which, R.sub.1 and R.sub.2 form together and with the piperazine-2,6-dione radical to which they are attached a hexahydropyrazinoisoquinolinedione radical, a primidinyl radical or a phenyl radical optionally substituted by an alkyl radical of 1 to 4 carbon atoms or a trifluoromethyl radical,n is an integer from 2 to 4.

Abstract: The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,R.sub.2 denotes a hydrogen or halogen atom, a hydroxyl radical, an alkyl radical having 1 to 4 carbon atoms or an alkoxy radical containing 1 to 4 carbon atoms,R denotes a hydroxyl radical, a linear or branched alkoxy radical having 1 to 4 carbon atoms, a benzyloxy radical or a radical of general formula A: ##STR2## in which: X and Y, which may be identical or different, each denote a linear or branched alkyl radical containing 1 to 5 carbon atoms, a radical of general formula A.sub.

Abstract: The invention relates to 2,6-piperazinedione derivatives of general formula I ##STR1## in which: A and B each denote a methylene radical or a carbonyl radical with the proviso, however, that A and B never simultaneously denote the same radical,R.sub.1 denotes a diphenylmethyl radical optionally substituted on the benzene rings with a halogen atom, a cyclohexyl radical, a pyridylmethyl group, or a benzyl radical optionally substituted with a halogen atom or with an alkoxy radical containing from 1 to 4 carbon atoms,R.sub.2 denotes a pyrimidinyl radical or a phenyl radical optionally substituted with a halogen atom, with an alkyl radical having from 1 to 4 carbon atoms, with a trifluoromethyl radical or with an alkoxy radical containing from 1 to 4 carbon atoms,n is an integer from 2 to 4,and their addition salts with a pharmaceutically acceptable inorganic or organic acid.

Abstract: The invention relates to new acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone, of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen or halogen atom,R.sub.2 and R.sub.3, which may be identical or different, each denote a hydrogen atom or a linear or branched alkyl radical containing 1 to 4 carbon atoms, a benzyl radical optionally substituted with a halogen atom, with an alkoxy radical containing 1 to 4 carbon atoms or with an alkyl radical having 1 to 4 carbon atoms, or a 3,4-methylenedioxybenzyl radical, or form, together with the nitrogen to which they are attached, a 4-morpholinyl radical or a 1-piperazinyl radical.

Abstract: The invention relates to 2,3-dihydrobenzofuran derivatives of the general formula: ##STR1## in which: each of X.sub.1 and X.sub.2, which are identical or different, represents a hydrogen or halogen atom or an alkoxy radical containing from 1 to 4 carbon atoms,X.sub.3 represents a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms,Y represents a hydrogen atom or a hydroxy radical, each of R.sub.1 and R.sub.2, which are identical or different, represents an alkyl radical having from 1 to 4 carbon atoms,or R.sub.1 represents a methyl radical and R.sub.2 represents a phenylalkyl grouping or a 2-indanyl grouping, each of which may be substituted or unsubstituted,or R.sub.1 and R.sub.2 together form, with the nitrogen atom to which they are attached, a piperazinyl radical, a tetrahydroisoquinolyl radical, a morpholinyl radical or a tetrahydrothienopyridinyl radical.

Abstract: The invention relates to 2,3-dihydrobenzofuran derivatives of the general formula: ##STR1## in which: each of X.sub.1 and X.sub.2, which are identical or different, represents a hydrogen or halogen atom or an alkoxy radical containing from 1 to 4 carbon atoms,X.sub.3 represents a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms,Y represents a hydrogen atom or a hydroxy radical, each of R.sub.1 and R.sub.2, which are identical or different, represents an alkyl radical having from 1 to 4 carbon atoms,or R.sub.1 represents a methyl radical and R.sub.2 represents a phenylalkyl grouping or a 2-indanyl grouping, each of which may be substituted or unsubstituted,or R.sub.1 and R.sub.2 together form, with the nitrogen atom to which they are attached, a piperazinyl radical, a tetrahydroisoquinolyl radical, a morpholinyl radical or a tetrahydrothienopyridinyl radical. The compounds are useful in the treatment of hypertension.

Abstract: New oxaazaphosphorine compounds corresponding to the formula: ##STR1## in which R is alkyl, cycloalkyl or alkoxy,phenyl, phenylalkyl, phenoxy or thiophenoxy in which the phenyl ring may be substituted by alkyl or alkoxy or by halogen.mono- or di-alkylamino optionally mono- or di-substituted by halogen, orpyrrolidinyl, piperidyl or morpholinyl or optionally substituted piperazinyl.These compounds may be used for antineoplastic therapy especially in the treatment of tumors.

Abstract: New nitrosourea compounds that can be used as medicaments and correspond to the general formula I ##STR1## in which R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl,R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, thienyl, or phenyl which may carry substituents,R.sub.3 is hydrogen, C.sub.1 -C.sub.6 alkyl, or benzyl which may carry substituents, orR.sub.2 and R.sub.3 together represent --(CH.sub.2).sub.m --, m being 3 or 4.Pharmaceutical compositions; therapeutic administration especially for the treatment of tumours.

Abstract: This invention relates to the new papaverine carbanion of the formula: ##STR1## and to a preparation process of the same comprising reacting on papaverine, in a solvent, a slight excess of a highly basic agent.

Abstract: The drug contains an active substance consisting of 1-(3'-benzofuryl)-4-benzylpiperazine. In order to prepare the compound, a reaction is carried out with reflux between 3-coumaranone and N-benzylpiperazine in the presence of acetic acid and in an aromatic solvent.