Abstract: Heterocyclic derivatives, including derivatives of thieno[2,3-c]isoquinolin-3-one and their use in therapy as inhibitors of poly(ADP-ribose) polymers (PARP), for use in the prevention and treatment of tissue damage due to ischaemia and reperfusion, degenerative diseases, inflammatory diseases, tumour diseases, leukaemia and/or sarcoma.

Abstract: 5-Aminosalicylic acid derivatives acylated at the amino group with glutamic or aspartic acid and/or having the carboxy group involved in a peptide bond with the leucyl-prolyl residue are useful as pro-drugs of 5-aminosalicylic acid.

Abstract: Compounds of formula I: ##STR1## in which the various R groups have the meanings defined in the disclosure are useful as medicaments for the treatment of hepatobiliary diseases.

Abstract: Kynurenic acid derivatives useful as therapeutic agents in treating neurological disorders, for example, thiokynurenic acid, 7-chloro-thio-kynurenic acid, 7-trifluoromethyl-thiokynurenic acid, 7-methoxy-thiokynurenic acid and 5-fluoro-thiokynurenic acid.

Abstract: Compounds, compositions and methods are described for treating a CNS disorder such as a cognitive disorder, epilepsy, depression, Parkinson's disease, Alzheimer's disease, a neurodegenerative disease or neurotoxic injury. Compound of interest are 2-amino-4,5-methyleneadipic acid compounds and derivatives defined by the formula I: ##STR1## wherein R.sup.1 is selected from hydrido, alkyl, cycloalkyl, aralkyl, aryloxyalkyl, arylthioalkyl, ##STR2## with each of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being independently selected from hydrido, alkyl, cycloalkyl, aryl and aralkyl; wherein each of X and Y is independently selected from hydroxyl, alkoxy, alkylthio, amino and ##STR3## with each of R.sup.6 and R.sup.7 being independently selected from hydrido, alkyl, cycloalkyl, aryl and aralkyl; wherein any of R.sup.1 through R.sup.

Abstract: Compounds of general formula I ##STR1## wherein R.sub.1 is hydrogen or hydroxy, and the hydroxy group at the 7-position can be either in .alpha. or .beta. configuration, are valuable in human therapy. Compounds I can be prepared by fluorination of the suitably protected 6.alpha.-hydroxy-7-keto-derivatives.

Abstract: Compounds of general formula I ##STR1## wherein R.sub.1 is hydrogen or hydroxy, and the hydroxy group at the 7-position can be either in .alpha. or .beta. configuration, are valuable in human therapy. Compounds I can be prepared by reacting with succinic acid carboanions the corresponding derivatives which have previously been protected, and subsequently deprotecting and decarboxylating them.

Abstract: Bile acid derivatives of formula I ##STR1## wherein: R is hydrogen or hydroxy;X is a carboxy or a SO.sub.3 H group, have valuable pharmacologic properties.

Abstract: A compounds of general formula I ##STR1## wherein R.sub.1 is hydrogen or hydroxy, and the hydroxy group at the 7-position can be either in .alpha. or .beta. configuration, are valuable in human therapy. Compounds I can be prepared by fluorination of the suitably protected 6-hydroxy-7-keto-derivatives.

Abstract: Compounds of general formula I ##STR1## wherein R.sub.1 is hydrogen or hydroxy, and the hydroxy group at the 7-position can be either in .alpha. or .beta. configuration, are valuable in human therapy. Compounds I can be prepared by reacting with succinic acid carbonanions the corresponding derivatives which have previously been protected, and subsequently deprotecting and decarboxylating them.

Abstract: New derivatives of chenodeoxycholic, ursodeoxy cholic, cholic and ursocholic acids, bearing a methyl group in the side chain in an alfa position to the carboxylic group, the corresponding nor- and di-nor- derivatives, and the corresponding conjugates with taurine and glycine, are described.The compounds of the invention are prepared by methylation of the esters with methyl iodide in the presence of lithium-dialkylamides.

Abstract: Compounds of formula I ##STR1## wherein: R.sub.1 is hydrogen or hydroxy, and the methyl and hydroxy groups at 6- and 7-positions respectively can be either in .alpha. or .beta. configuration, are useful in human therapy. Compounds I are prepared by methylation of the corresponding appropriately protected 7-keto-derivatives.

Abstract: New derivatives of chenodeoxycholic, ursodeoxycholic, cholic and ursocholic acids, bearing a methyl group in the side chain, in an alfa position to the carboxylic group, the corresponding nor- and di-nor- derivatives, and the corresponding conjugates with taurine and glycine, are described.The compounds of the invention are prepared by methylation of the esters with methyl iodide in the presence of lithium-dialkylamides.

Abstract: New derivatives of chenodeoxycholic, ursodeoxycholic, cholic and ursocholic bile acids having in the side chain in the 19 position a cyclopropane ring are described together with taurine and glycine conjugated derivatives thereof.The compounds of the invention, prepared from suitable olephinic intermediates by reaction with alkyl diazoacetates or by Simmons-Smith reaction and optional conjugation with taurine or glycine, are endowed with interesting therapeutic properties.

Abstract: Derivatives of biliary acids having formula I ##STR1## wherein St has the meaning of the 17-etiocholanyl residue, having two or more hydroxyl groups both in the .alpha. and .beta. conformation, some of which being optionally replaced by keto groups, and their pharmaceutically acceptable salts with alkaline or alkali-earth metals, or with organic bases.