Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: The invention relates to indole-derived compounds and to the use of said compounds for the preparation of a medicament that can be used to treat diseases related to the process of splicing pre-messenger RNAs in the cell, such as Frasier syndrome, frontotemporal dementia linked to chromosome 17 (a form of Parkinson's disease), Leigh syndrome (a type of encephalopathy), atypical cystic fibrosis, certain neuropathologies including Alzheimer's disease linked to a mutation in the Tau protein, muscle atorphy which affects the SMN (Survival of Motor Neuron) gene, depression linked to a serotonin splicing impairment, and certain cancers in which the global splicing process is affected (e.g. breast cancer, colon cancer and certain lymphomas), as well as viral diseases such as AIDS.

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: The present invention is concerned among others with compounds of formula (1), the N-oxides, the pharmaceutically acceptable addition salts, the quaternary amines and stereochemically isomeric forms thereof, wherein Q is halo, C1-6 alkyl or C2-6 alkenyl; X is (a-2) with q and r being O and Z being O, S or SO; R1 is aryl; R2 is selected from formyl; C1-6alkyloxycarbonylalkyl; Het2; Het2C1-6alkyl, C1-6alkylthio; C1-6alkyl optionally substituted with one or two substituents each independently selected from hydroxy, and halo; R3 is selected from formyl; C1-6alkyl optionally substituted with one or two C1-6alkyloxy; R4 is hydrogen, with HTV inhibiting properties

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: The present invention is concerned among others with compounds of formula (I), the N-oxides, the pharmaceutically acceptable addition salts, the quaternary amines and stereochemically isomeric forms thereof, wherein Q is halo, C1-6 alkyl or C2-6 alkenyl; X is (a-2) with q and r being O and Z being O, S or SO; R1 is aryl; R2 is selected from formyl; C1-6alkyloxycarbonylalkyl; Het2; Het2C1-6alkyl, C1-6alkylthio; C1-6alkyl optionally substituted with one or two substituents each independently selected from hydroxy, and halo; R3 is selected from formyl; C1-6alkyl optionally substituted with one or two C1-6alkyloxy; R1 is hydrogen, with HTV inhibiting properties.

Abstract: 3-(amino- or aminoalkyl) pyridinone derivatives having the formula (1) wherein Q, X, Y, and R3-R6 are as defined, which derivatives are useful for the treatment of HIV related diseases.

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: 3-(amino- or aminoalkyl) pyridinone derivatives having the formula (1) 1

Abstract: The present invention is concerned with 3-(amino- or aminoalkyl)pyridinone derivatives which inhibit the reverse transcriptase of the Human Immunodeficiency Virus (HIV). It relates moreover to the use of such compounds for treating HIV-related diseases. Furthermore it relates to a process for the preparation of these compounds.

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.

Abstract: The compounds of formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8 and A are as defined in the description, their optical isomers and N-oxides, and pharmaceutically acceptable addition salts thereof with an acid or base, and the use thereof as anti-tumor agents.

Abstract: Compounds of formula (3) in which:R.sub.1 and R.sub.2 independently represent an atom of hydrogen, an aliphatic group or an alkyloxyalkyl group in which the alkyl chains are from C.sub.1 to C.sub.4 or together form an aromatic ring;R.sub.3 represents:an atom of hydrogen, oran NHR.sub.5 group in which R.sub.5 represents an atom of hydrogen or a COR.sub.6 group in which R.sub.6 is an aliphatic or aromatic group, oran NO.sub.2 group ora COOR.sub.7 group in which R.sub.7 is an aliphatic group,R.sub.4 represents a phenyl or heterocyclic group.These compounds can be used in the treatment of illnesses linked to the HIV virus.

Abstract: The compounds of formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and A are as defined in the description, their optical isomers and N-oxides and addition salts thereof with a pharmaceutically acceptable acid or base, and their use as anti-tumour agents.

Abstract: New pyridobenzoindole derivatives of general formula (I), in which R is H or alkyl (1 or 2 C), alk is straight or branched alkylene (2 to 4 C), R.sub.1 denotes a hydrogen atom or an alkyl radical (1 or 2 C), R.sub.2 denotes a hydroxy or methoxy radical, and R.sub.3 is methyl or ethyl and their addition salts with acids, useful as antitumor agents.

Abstract: The present invention concerns derivatives of 5H-pyrido[4,3-b]-indole with the following general formula: ##STR1## in which n represents a whole number from 2 to 4, R.sub.1 represents hydrogen or a lower alkyl group; R.sub.2 represents hydrogen, a hydroxy group or a lower alkyloxy group; R.sub.3 and R.sub.4 represents hydrogen, a lower alkyl group or hydroxyalkyl group, R.sub.5 can be identical or different and represents hydrogen, a hydroxy group or a lower alkyl group, as well as the tautomeric forms and the addition salts with pharmaceutically acceptable mineral or organic acids.The invention also concerns their preparation process, and their use as medicaments.

Abstract: Pyrido (3,4', 4,5) furo (3,2-g) coumarins or pyrido (3,4-h) psoralens having formula I ##STR1## wherein R is a hydrogen radical or a lower alkyl group having from 1 to 4 carbon atoms and R" is a methyl group or a methoxy group. These compounds are photobiologically active and are useful or medicinals and pharmaceutical compositions in association with ultraviolet radiation for treating skin diseases and as cosmetic compositions for skin pigmentation.

Abstract: Monofunctional psoralen derivatives having the general formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group having from 1 to 4 atoms, preferably a methyl radical, or a lower alkoxy radical having from 1 to 4 carbon atoms, preferably a methoxy radical are described. The derivatives are photobiologically active and are useful in photochemical therapy and in cosmetics.