Abstract: The present invention relates to novel podophyllotoxin derivatives substituted in the 4-position by a substituted (poly)aminoalkylaminoacetamide chain, to their process of preparation and to their use as medicament as anticancer agents.

Abstract: The invention relates to a method for synthesizing 4?-amino-4?-demethyl-4-desoxypodophyllotoxin of formula (1), characterized by comprising the following successive steps: a) reacting, in a pure weak acid or in a mixture consisting of acid, water and of organic solvent, without another solvent, at a temperature higher than the ambient temperature, thiourea with 4?-halogenoacetamido-4?-demethyl-4-desoxypodophyllotoxin, and; b) recovering the 4?-amino-4?-demethyl-4-desoxypodophyllotoxin.

Abstract: The present invention relates to novel podophyllotoxin derivatives substituted in the 4-position by a substituted (poly)aminoalkylaminoacetamide chain, to their process of preparation and to their use as medicament as anticancer agents.

Abstract: The present invention describes a new process for the preparation of (poly)aminoalkylaminoacetamide compounds of epipodophyllotoxin useful for their applications in therapeutics as anticancer agents. This process comprises a step of condensation of a primary-amine-containing reactant, whose amine functions are not protected, with ?-chloroacetamido-4?-epipodophyllotoxin in a polar aprotic organic solvent.

Abstract: The invention relates to novel fluorescent derivatives of polyamines having a benzoxadiazole group, to a method for preparing the same and to the use thereof as diagnosis tools for emphasising the polyamine transport system in cancerous cells in order to adapt the treatment thereof, and thus for selecting patients carrying such tumours in order to adapt their treatment. The derivatives are of the formula (I) or a pharmaceutically acceptable salt thereof, in which: R1 is one or more NO2 groups in position 4 or 6, or a SO2Ph, SO2NMe2, SO2NH2 or SO3H group; R2 is hydrogen, C1-6 alkyl, benzyl, a perfluoroalkyl group; the values of a, b, c range from 2 to 5 independently from each other and represent alkylene chains separating the amino groups, and the values of d and e can independently be 0 or 1.

Abstract: The present invention relates to novel chromene or thiochromene carboxamide derivatives, the preparation of same, pharmaceutical compositions of same and the use of same as dopamine D3 ligands as a medicament for central nervous system disorders.

Abstract: The present invention relates to novel podophyllotoxin derivatives substituted in the 4-position by a substituted (poly)aminoalkylaminoacetamide chain, to their process of preparation and to their use as medicament as anticancer agents.

Abstract: The invention relates to a method for synthesizing 4?-amino-4?-demethyl-4-desoxypodophyllotoxin of formula (1), characterized by comprising the following successive steps: a) reacting, in a pure weak acid or in a mixture consisting of acid, water and of organic solvent, without another solvent, at a temperature higher than the ambient temperature, thiourea with 4?-halogenoacetamido-4?-demethyl-4-desoxypodophyllotoxin, and; b) recovering the 4?-amino-4?-demethyl-4-desoxypodophyllotoxin.

Abstract: The invention concerns compounds of general formula 1, wherein: A, B, D and E represent one or two nitrogen atoms, the others being carbon atoms; X represents a S or, a O, thereby forming a bicyclic fused heteroaromatic, such as thieno[2,3-b]pyridine, furo[2,3-b]pyridine, thieno[3,2-b]pyridine, furo[3,2-b]pyridine, thieno[2,3-b]pyrazine, furo[2,3-b]pyrazine, thieno[2,3-c]pyridine, furo[2,3-c]pyridine, thieno[3,2-c]pyridine and furo[3,2-c]pyridine; R1 represents a linear or branched C1-C6 alkoxy group, a linear or branched C1-C6 alkylthio group; R2 represents a linear, branched, cyclic C2-C8 group, a 2- or 3-thienylmethyl group, or a benzyl group optionally substituted by one or several halogens, F, Cl, Br, I, C1-C4alkyl, C1-C4 alkoxy, CF3, CN, NO2, OH; and their pharmaceutically acceptable salts. Said compounds are anti-dopaminergic agents.

Abstract: The invention relates to a crystalline compound of 4?-demethyl-4?-phosphate-2?,3?-bispentafluorophenoxyacetyl-4?,6?-ethylidene-?-D-epipodophyllotoxin glucoside in its free form or solvated with ethanol, advantageously provided in the form of a hemiethanolate solvate. The invention also relates to a method for preparing these compounds and to their use as an anticancer drug.

Abstract: The invention relates to compounds of general formula (1) in which R1=H, F or OCH3 and may occupy the 2, 3, 4 or 5 position on the aromatic carbocycle, R2=H or CH3, R3=H, CH3, OH or OCH3, R4=H and R3 and R4 together can be a carbonyl group (C=0), the addition salts and optionally the hydrates of additional salts with pharmaceutically-acceptable mineral or organic acids and the isomers and tautomers thereof.

Abstract: The invention concerns compounds of general formula 1, wherein: A, B, D and E represent one or two nitrogen atoms, the others being carbon atoms; X represents a S or, a O, thereby forming a bicyclic fused heteroaromatic, such as thieno[2,3-b]pyridine, furo[2,3-b]pyridine, thieno[3,2-b]pyridine, furo[3,2-b]pyridine, thieno[2,3-b]pyrazine, furo[2,3-b]pyrazine, thieno[2,3-c]pyridine, furo[2,3-c]pyridine, thieno[3,2-c]pyridine and furo[3,2-c]pyridine; R1 represents a linear or branched C1-C6 alkoxy group, a linear or branched C1-C6 alkylthio group; R2 represents a linear, branched, cyclic C2-C8 group, a 2- or 3- thienylmethyl group, or a benzyl group optionally substituted by one or several halogens, F, Cl, Br, I, C1-C4 alkyl, C1-C4 alkoxy, CF3, CN, NO2, OH; and their pharmaceutically acceptable salts. Said compounds are anti-dopaminergic agents.

Abstract: The present invention relates to novel fluorinated benzodioxane imidazoline derivatives, to their preparation and to their therapeutic applications. The invention is directed more particularly toward the compounds corresponding to the structure of general formula 1: in which: R represents a linear, branched or cyclized alkyl or alkenyl group containing 1 to 7 carbon atoms, or a benzyl group, and the fluorine atom can occupy position 5, 6, 7 or 8, in their racemic form and their dextrorotatory and levorotatory pure enantiomeric forms, and also the addition salts thereof.

Abstract: The invention concerns the use of efaroxan or therapeutically-acceptable salts, in its racemic form or in the form of an optically-active isomer, for treating Huntington's disease.

Abstract: Water-soluble derivatives of epipodophyllotoxin, process for their preparation and their use for the treatment of rheumatoid arthritis, complaints caused by human papilloma virus and cancer.

Abstract: A method for synthesizing a 4'-demethylepipodophyllotoxin of formula (II) from a podophyllotoxin of formula (I) by treating it with a pair of reagents, i.e. a strong acid and an aliphatic, aromatic or functionalized sulphide, in the present of an organic or inorganic acid, or in the presence of water with or without a water-miscible organic solvent.

Abstract: The invention pertains to novel azabicyclo-naphthalene-carboxamide derivatives, a method for preparing same and the use thereof as a medicament. The compounds of the invention are of formula (I).

Abstract: The present invention relates to the use of efaroxan and its derivatives for the preparation of a medicinal product intended for the treatment of Parkinson's disease.

Abstract: A method for preparing an optically pure 2-ethyl-2,3-dihydrobenzofurancarboxylic acid of formula II wherein R is a hydrogen atom, halogen, lower alkyl, lower alkoxy or hydroxy is described. ##STR1## The method comprises separating the racemic mixture by selective crystallization with the suitable optically pure enantiomer of 2-phenylglycinol, in a suitable solvent, whereafter the optically pure, crystallized acid of formula II is isolated and recovered. The invention also provides the optically pure 2-ethyl-2,3-dihydro-benzofurancarboxylic acid derivative thus obtained and the use thereof for the preparation of an optically pure derivative of efaroxan.

Abstract: The present invention relates to the use of efaroxan and derivatives for the treatment of Alzheimer's disease.