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:
A complex based on anthralin and a sterol, characterized in that its melting point is 10 to 25 degrees Celsius lower than that of the constituent of the complex melting at the lowest temperature and that the proportion of anthralin varies between 10 and 90 mol %.
摘要:
A benzonaphthalene compound has the formula ##STR1## wherein R.sub.1 represents ##STR2## or (ii) --CH.sub.2 OH; R.sub.6 represents ##STR3## or OR.sub.7 wherein R.sub.7 represents hydrogen, alkyl having 1-20 carbon atoms, monohydroxyalkyl or polyhydroxyalkyl, r' or r" represent hydrogen, lower alkyl, mono or polyhydroxyalkyl, aryl or a residue of an amino acid or a sugar, or together form a heterocycle; R.sub.2 represents hydrogen, alkyl having 1-15 carbon atoms, alkoxy having 1-4 carbon atoms or a cycloaliphatic radical; R.sub.3 represents hydrogen, hydroxy, alkyl having 1-4 carbon atoms, alkoxy having 1-10 carbon atoms, a cycloaliphatic radical, a thiocycloaliphatic radical or --O--Si(CH.sub.3).sub.2 --R.sub.8 wherein R.sub.8 represents lower alkyl; and R.sub.4 and R.sub.5 represent hydrogen, lower alkyl, hydroxy or lower acyloxy.This compound is useful in the topical and systemic treatment of dermatologic diseases and in the treatment of the degeneration of conjunctive tissues. The compound also possesses anti-tumor acitivity.
摘要:
A stable hydrocortisone-based composition comprises hydrocortisone solubilized in a mixture of an aliphatic alcohol, propyleneglycol and dimethyl coco-benzylammonium chloride.
摘要:
The invention relates to a compound of formula (I) ##STR1## in which formula: R.sub.1, R.sub.3 and R.sub.4 denote, independently of each other a hydrogen atom, a C.sub.1 -C.sub.8 alkyl radical, a C.sub.1 -C.sub.8 alkoxy radical, a C.sub.1 -C.sub.8 acryloxy radical or a hydroxy ra dical;R, R' and R" denote, independently of each other, either one of the meanings given above for R.sub.1, R.sub.3 and R.sub.4, or a halogen atom, or a primary, secondary or tertiary amino radical,A having various meanings.The invention also relates to a process for the preparation of compounds of formula (I) and to medicinal and cosmetic compositions in which they are present.
摘要:
A series of novel 7-(D-.alpha.-acylaminoarylacetamido)-.DELTA..sup.3 -cephem derivatives have been prepared wherein the acyl moiety contains an epoxy group immediately adjacent to the carbonyl carbon atom. These compounds are useful as antibacterial agents for the treatment of diseases caused by Gram-negative and Gram-positive bacteria. Preferred members include 7-[D-.alpha.-(cis-2-carboxyoxiran-3-carboxamido)phenylacetamido]-3-(1-methyl-1,2,3,4-tetrazol-5-ylthiomethyl)-.alpha..sup.3 -cephem-4-carboxylic acid and 7-[D-.alpha.-(cis-2-carboxyoxiran-3-carboxamido)phenylacetamido]cephalosporanic acid. Alternate methods of preparation are provided for these compounds and the principal synthetic route is described in detail.
摘要:
A series of novel 7-(D-.alpha.-acylaminoarylacetamido)-.DELTA..sup.3 -cephem derivatives have been prepared wherein the acyl moiety contains an epoxy group immediately adjacent to the carbonyl carbon atom. These compounds are useful as antibacterial agents for the treatment of diseases caused by Gram-negative and Gram-positive bacteria. Preferred members include 7-[D-.alpha.-(cis-2-carboxyoxiran-3-carboxamido)phenylacetamido]-3-(1-methyl-1,2,3,4-tetrazol-5-ylthiomethyl)-.DELTA..sup.3 -cephem-4-carboxylic acid and 7-[D.alpha.-(cis-2-carboxyoxiran-3-carboxamido)phenylacetamido]cephalosporanic acid. Alternate methods of preparation are provided for these compounds and the principal synthetic route is described in detail.
摘要:
Aromatic heterocyclic derivatives have the formula ##STR1## wherein R.sub.1 represents (i)--CH.sub.3, (ii)--CH.sub.2 OH or (iii) ##STR2## wherein R.sub.3 represents hydrogen, --OR.sub.4 wherein R.sub.4 represents hydrogen, alkyl having 1-20 carbon atoms or mono- or polyhydroxyalkyl or R.sub.3 represents ##STR3## wherein r' and r" represent hydrogen, lower alkyl or together form a heterocycle, R.sub.2 represents hydrogen or --CH.sub.3 and Ar represents ##STR4## wherein R.sub.6 is hydrogen or alkyl having 1-10 carbon atoms and R.sub.7 represents alkyl having 4-12 carbon atoms or cycloalkyl, Y is CH or a nitrogen atom and X represents oxygen, sulfur or --N--R.sub.8 when R.sub.8 represents hydrogen, lower alkyl or lower alkoxycarbonyl, with the proviso that (i) when Y is CH and X is oxygen or sulfur Ar is other than C and (ii) when Y is nitrogen and X is oxygen, Ar is other than (C) or (D) in which R.sub.6 is alkyl having 1-4 carbon atoms and R.sub.7 is branched alkyl having 4-12 atoms.
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 monoor 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, C.sub.1 -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:
2-adamantyl-4-isothiazoline-3-one has the formula ##STR1## wherein R.sub.1 and R.sub.2, each independently, represent hydrogen or halogen,or R.sub.1 and R.sub.2, taken together, form a polymethylene chain having 3-4 carbon atoms, optionally substituted by lower alkyl or halogen,or R.sub.1 and R.sub.2, taken together, form a pyridine ring with the double bond of the 4-isothiazoline-3-one ring andAda represents 1'-adamantyl, 2'-adamantyl or 1'-adamantyl methyl, and its mineral or organic acid salt.The compound is useful as an antibacteria, antialgae or antifungus agent in various industrial fields.