Abstract: The present invention relates to a compound of following formula (I): or to a pharmaceutically acceptable salt thereof, as well as to pharmaceutical compositions including same and to the use thereof as a drug, in particular for treating a proliferative disease such as cancer.

Abstract: The invention concerns a triterpene alkaloid of general formula (I). The invention also concerns a method for making same and use thereof as medicine.

Abstract: Disclosed are compounds that exhibit high transport across the intestinal wall of an animal. The compounds may optionally be linked to drugs that are poorly absorbed or poorly transported across the intestinal wall after oral administration to provide for enhanced therapeutic, and optionally prolonged therapeutic, systemic blood concentrations of the drugs upon oral administration of the drug-compound conjugate. Also disclosed are pharmaceutical compositions containing and methods of using such compounds.

Abstract: The invention relates to a method of preparation of a soluble formulation of water-insoluble pentacyclic and tetracyclic terpenoids, wherein the water-insoluble terpenoid having a free carboxylic, hydroxy or amino functional group is derivatized on this functional group with a substituent selected from the group comprising substituents of general formula Xa bound to the hydroxy group of the terpenoid, wherein Xa is —OC—R—COOH, substituents of general formula Xa bound to the amino group of the terpenoid, wherein Xa is —OC—R—COOH, quarternary ammonium substituents of general formula Xb bound to the carboxy group of the terpenoid, wherein Xb is —(CH2)nN+R3Y—, quarternary ammonium substituents of general formula Xc bound to the carboxy group of the terpenoid, wherein Xc je —(CH2)nR+Y—, substituents of general formula Xd bound to the carboxy group of the terpenoid, wherein Xd represents —R—COOH, glycosylic substituents Xe bound by alpha or beta glycosidic bond to the hydroxy group or to the carboxy group of the te

Abstract: An improved process and composition are disclosed for isolation of steroids containing a 5,7-diene functionality from a sterol mixture that comprises formation of a Diels-Alder reaction product of the ster-5,7-dienol in the presence of at least a catalytic amount of an ethylenically unsaturated C12-C24 fatty carboxylic acid.

Abstract: A process for the production of a compound of formula (II), which comprises reacting an epoxy compound of formula (I) with an alcohol, wherein the reaction is carried out under a basic condition. ##STR1## R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are as defined in the specification. The compounds are useful intermediates for the production of vitamin D.sub.3 derivatives.

Abstract: There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R.sup.1 is a hydroxy-substituted lower alkyl group which may have substituent(s), X is oxygen atom and the like, Y is oxygen atom and the like, and Z is a methylene group which may have substituent(s), which is useful as a synthetic intermediate of the 1.beta.-methylcarbapenem-type antibacterial agent.

Abstract: Novel antihypercholesterolemic agents are provided. An exemplary group of compounds has the structural formula (I) ##STR1## wherein R is a C-17 side chain, R.sup.1 is --OH, .dbd.O, or the like, and X and Y are N, N.fwdarw.O, CH, C--OH, C--OCH.sub.3 or C--Z. Methods of using the compound of formula (I) or other novel oxysterol analogs to treat hypercholesterolemia are provided, as are pharmaceutical compositions containing the compounds.

Abstract: There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R.sup.1 is a hydroxy-substituted lower alkyl group which may have substituent(s), X is oxygen atom and the like, Y is oxygen atom and the like, and Z is a methylene group which may have substituent(s), which is useful as a synthetic intermediate of the 1.beta.-methylcarbapenem-type antibacterial agent.