摘要:
A polycyclic aromatic compound having the formula ##STR1## and its salts have useful therapeutic and cosmetic action particularly in psoriasis. In the formula,X represents --CH.dbd.CH--, O or S,R.sub.1 represents hydrogen, branched alkyl having 3-15 carbon atoms, alkoxy having 1-6 carbon atoms or 1-adamantyl, R.sub.2 represents hydroxy, hydrogen, linear or branched alkyl having 1-15 carbon atoms Or alkoxy having 1-6 carbon atoms, with the proviso that R.sub.1 and R.sub.2 are not simultaneously hydrogen, or R.sub.1 and R.sub.2 together with the adjacent carbon atoms of the naphthalene ring form a 5 or 6 chain ring optionally substituted by at least one lower alkyl radical, or interrupted by an oxygen atom,R.sub.3 represents --CH.sub.2 OH or --COR.sub.4, or --CH.sub.3 when R.sub.1 and R.sub.2 taken together form a 5 or 6 chain ring,R.sub.4 represents --OR.sub.5 or ##STR2## R.sub.5 represents hydrogen, alkyl having 1-20 carbon atoms, monohydroxyalkyl, polyhydroxyalkyl, aryl or aralkyl optionally substituted, or the residue of a sugar or the radical ##STR3## p is 1, 2 or 3, r' and r" represent hydrogen, lower alkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl optionally substituted or the residue of an amino acid or the residue of an amino sugar, or taken together form a heterocycle.
摘要:
Bi-aromatic esters have the formula ##STR1## wherein R.sub.1 represents H, OH, --CH.sub.3, --CH.sub.2 OH, --CH(OH)CH.sub.3, --COOR.sub.9, ##STR2## or SO.sub.2 R.sub.10 ; R.sub.9 represents H, C.sub.1 -C.sub.6 alkyl or mono or polyhydroxyalkyl; R.sub.10 represents OH, C.sub.1 -C.sub.6 alkyl or ##STR3## r' and r" represent H, C.sub.1 -C.sub.6 alkyl, aryl, aralkyl, mono or polyhydroxyalkyl, or r' and r" taken together form a heterocycle; R.sub.2 represents H, C.sub.1 -C.sub.6 alkyl, OR.sub.9, F or --CF.sub.3 ; R.sub.3, R.sub.4 and R.sub.5 represent H, F, OH, --CH.sub.3, --OCH.sub.3, --CF.sub.3, --COOH or --CH.sub.2 OH; R.sub.6 and R.sub.8 represent H, .alpha.-substituted C.sub.3 -C.sub.15 alkyl, .alpha., .alpha.'-disubstituted C.sub.4 -C.sub.12 alkyl, C.sub.3 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.12 mono or polycyclic cycloalkyl whose linking carbon is trisubstituted, --SR.sub.11, --SO.sub.2 R.sub.11 or --SOR.sub.11 ; R.sub.11 represents C.sub.1 -C.sub.6 alkyl or cycloalkyl; R.sub.6 and R.sub.8 cannot simultaneously represent H; R.sub.7 represents H, C.sub.1 -C.sub.6 alkyl, alkenyl, alkenyloxy, OR.sub.12 or SR.sub.13 ; R.sub.12 represents H, C.sub.1 -C.sub.6 alkyl or alkenyl; R.sub.3 represents H, C1-C.sub.6 alkyl or aralkyl; with the proviso that when R.sub.1 represents ##STR4## and R.sub.2 represents H then: (i) either R.sub.3 and R.sub.4 are other than H or --CH.sub.3, (ii) or R.sub.7 is other than OR.sub.12 and R.sub.6 or R.sub.8 is cycloalkyl having more than 7 carbon atoms, (iii) or R.sub.7 is OR.sub.12 but R.sub.6 and R.sub.8 are other than H, (iv) or R.sub.7 is OR.sub.12 but R.sub.5 is other than H.The bi-aromatic esters are employed in human and veterinary medicine and in cosmetic compositions.
摘要:
Benzimidazole derivatives having general formula (I), wherein R.sub.1 and R.sub.2 are a hydrogen atom, a lower alkyl radical, an OR.sub.4 radical, a lower fluoroalkyl radical or a halogen atom; R.sub.3 is a hydrogen atom, a lower alkyl radical, a halogen, a hydroxyl or a lower alkoxy radical having 1-6 carbon atoms; R.sub.4 is a hydrogen atom, a lower alkyl radical, a benzyl radical or a (II) radical, PO.sub.3 H, SO.sub.3 H or an aminoacid residue; R.sub.7 is a lower alkyl radical, a lower alkoxy radical having 1-6 carbon atoms, a --(CH.sub.2).sub.n --COOH radical where n=1-6, or the radical (III), where r' and r" are a hydrogen atom or a lower alkyl radical, or form, together with the nitrogen atom, a 5 or 6-membered heterocyclic ring optionally interrupted by a heteroatom; R.sub.5 and R.sub.6 are different and represent the OR.sub.8 radical or a mono or polycyclic cycloalkyl radical having 5-12 carbon atoms bound to the phenyl core by a tertiary carbon; R.sub.8 is a hydrogen atom, a lower alkyl radical, an acyl radical having 2-7 carbon atoms, a benzyl radical optionally substituted by one or more halogen atoms, or a benzoyl radical; and salts of said compounds obtained by adding a pharmaceutically acceptable acid or base. Said compounds may be used therapeutically, in particular in relation to inflammatory and/or immunoallergic conditions, and cosmetically to provide body and hair care.
摘要:
Di(aromatic) compounds corresponding to the following formula: ##STR1## in which: Ar represents either ##STR2## X represents a divalent radical, Z represents O, S or a divalent radical,and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 represent a hydrogen atom or various organic radicals, and the salts of the compounds of formula (I) when R.sub.1 is a carboxylic acid function.Use in human and veterinary medicine and in cosmetics.
摘要:
A pharmaceutical or cosmetic composition is disclosed comprising in combination a retinoid and a sterol capable of inhibiting the biosynthesis of cholesterol resulting in a synergistic effect in the treatment of disorders of epidermic keratinization, proliferation and/or sebaceous function.
摘要:
A pharmaceutical or cosmetic composition comprising in combination, a retinoid and a sterol inhibits the biosynthesis of cholesterol, is disclosed wherein a synergistic effect, principally in the treatment of disorders of epidermic keratinization, disorders of epidermic or epithelial proliferation and/or disorders of sebaceous function, is exhibited.
摘要:
The present invention relates to new aromatic compounds, to their preparation and to their use in human and veterinary medicine and in cosmetic compositions.
摘要:
The present invention relates to new polycyclic aromatic derivatives, to processes for their preparation and to their use in therapeutic and cosmetic formulations.
摘要:
6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid marked with tritium; its preparation; and its use as a radioactive marker, in the titration of nuclear receptors of retinoids in the presence of contaminating CRABP, or in the measurement of the affinity of retinoids for these nuclear receptors.
摘要:
Di(aromatic) compounds corresponding to the following formula: ##STR1## in which: Ar represents either ##STR2## n=1 or 2 or: ##STR3## X represents a divalent radical, Z represents O, S or a divalent radical, and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 represent a hydrogen atom or various organic radicals, and the salts of the compounds of formula (I) when R.sub.1 is a carboxylic acid function.Use in human and veterinary medicine and in cosmetics.