Patent ID: 6239284
Filing Date: 2001-05-29
Classification: A61P,C07C,C07D,C07F

Abstract:
An aromatic tetracyclic compound of the retinoid type having the formula: ##STR72##in which:R.sub.1 is selected from the group consisting of a hydrogen atom, a lower alkyl group, --PO.sub.3 H.sub.2, --CH.sub.2 OH, --OH, --CHO, --COOH, --COR.sub.8, --CH.sub.2 OCOR.sub.9, --SH, --S-alkyl, --NH.sub.2, --NHCOOR.sub.10, p-hydroxyphenylaminocarbonyl, tetrazol-5-yl-aminocarbonyl, tetrazol-5-yl, 5-trifluoromethyl-tetrazoyl, and their salts with physiologically tolerated acids, where R.sub.10 is a lower alkyl or aralkyl group and R.sub.8 and R.sub.9 are selected from the group consisting ofa hydrogen atom, an --OH group, a lower alkyl group, --OR.sub.11, where R.sub.11 represents an alkyl group, which is branched or unbrancbed, having from 1 to 20 carbon atoms, an alkenyl group which is branched or unbranched, having from 2 to 20 carbon atoms, an aryl or aralkyl group andan amine group of formula: ##STR73##in which r and r' are identical or different and represent a hydrogen atom, a lower alkyl group, an aryl or aralkyl group, an .alpha.-aminoacid group, a sugar group or a heterocyclic group in which r and r' taken together form a heterocyclic ring;R.sub.2 is selected from the group consisting of a hydrogen atom, a halogen atom, a lower alkyl group, --COOH, OR.sub.11, --SR.sub.11, --(CF.sub.2).sub.n CF.sub.3 where n is a whole number between 0 and 10, or a OCOR.sub.12 group, their salts with physiologically tolerated acids, and an amine group of formula: ##STR74##in which r and r' have the same meaning as above, and R.sub.12 represents a hydrogen atom, a lower alkyl group, a fluoroalkyl group having 1 to 6 carbon atoms and from 3 to 7 fluorine atoms, an aryl group or an aralkyl group;R.sub.3 is selected from the group consisting of a hydrogen atom, a lower alkyl group, a halogen atom, a fluoroalkyl group having from 1 to 6 carbon atoms and from 3 to 7 fluorine atoms, or --OR.sub.13 where R.sub.13 represents a hydrogen atom, a lower alkyl group, an aryl group, an aralkyl group, or a trifluoromethyl group;X.sub.1 is selected from the group consisting of an atom of carbon, an atom of oxygen and an atom of sulfur;R.sub.5 and R.sub.6 are:methyl or ethyl groups, when X.sub.1 is an atom of carbon,do not exist when X.sub.1 is an atom of oxygen or an atom of sulfur,one or two atoms of oxygen when X.sub.1 is an atom of sulfur in the form of a sulphoxide --SO-- or a sulphone --SO.sub.2 --R.sub.4 is selected from the group consisting of a hydrogen atom, a halogen atom, a trifluoromethyl group, an aryl group, an aralkyl group, and a lower alkyl group, unsubstituted or substituted with a hydroxyl group, one or more atoms of fluorine, a lower alkoxy group or by --(C.dbd.O)R.sub.14 in which R.sub.14 represents a hydrogen atom, a lower group, a hydroxyl group, a lower alkoxy group or an amine group of formula: ##STR75##in which r and r' have the same meaning as above;X.sub.2 and X.sub.3, identical or different, represent an atom of carbon, an atom of oxygen or an atom of nitrogen, or X.sub.2 -X.sub.3 is a single atom of sulfur, oxygen or nitrogen, wherein the nucleus carrying X.sub.2 and X.sub.3 is selected from the group consisting of a benzene, pyridine, thiophene, furane, and pyrrole nucleus;R.sub.7 is selected from the group consisting of a hydrogen atom, a trifluoromethyl group, a lower alkyl group, unsubstituted or substituted with one or more atoms of fluorine, and --OR.sub.15 where R.sub.15 represents a hydrogen atom or a lower alkyl group;X.sub.4 represents a carbon atom or a nitrogen atom;X.sub.5 is selected from the group consisting of a carbon, oxygen, sulfur, nitrogen atom, --S--, --SO--, --SO.sub.2 --, --NR.sub.16 -- where R.sub.16 represents a hydrogen atom or a lower alkyl group, and --COR.sub.17 -- or --CO.sub.2 R.sub.17 -- where R.sub.17 is a lower alkyl group or a benzyl group; andn is 0 or 1.