摘要:
Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, an optionally substituted aromatic hydrocarbon radical, an aralkyl radical or an optionally substituted aliphatic hydrocarbon radical having up to 45 C atoms,R.sup.2 is an optionally substituted aromatic hydrocarbon radical, an aralkyl radical or an optionally substituted aliphatic hydrocarbon radical having 5-50 C atoms,X is O, S, NH or NR, R being an alkyl radical having up to 20 C atoms, andZ is a glycosyl radical bonded via the anomeric carbon atom,or pharmaceutically acceptable salts thereof stimulate the immune system.
摘要:
Compounds of the formula ##STR1## in which X is hydrogen or the radical --CH.sub.2 OR.sup.5,three of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or ##STR2## and the fourth is ##STR3## Z each independently is oxygen, sulphur, NH or CH.sub.2, and R.sup.1, R.sup.6 and R.sup.7 each independently is an optionally substituted hydrocarbon radical having up to 50 carbon atoms,stimulate the immune system's response and antibody production.
摘要:
Compounds of the formula ##STR1## in which X is hydrogen or the radical CH.sub.2 OR.sup.5,R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or the radical ##STR2## Y is oxygen, sulphur, NH or CH.sub.2, and R.sup.1 and R.sup.6 each independently is an optionally substituted hydrocarbon radical having up to 50 carbon atoms, with the proviso that at least one of the radicals R.sup.1 and/or R.sup.6 contains between 9 to 50 carbon atoms,some of which are known, stimulate the immune system's response and antibody production.
摘要:
Novel compounds of the formula ##STR1## in which X is hydrogen or --CH.sub.2 --OR.sup.5,Z represents OR.sup.4, NH.sub.2 or ##STR2## R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or ##STR3## at least one of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being ##STR4## Y and W each independently is oxygen, sulphur, NH or CH.sub.2, and R.sup.1, R.sup.6, R.sup.7 and R.sup.8 each independently is an optionally substituted hydrocarbon radical with up to 50 C atoms,stimulate the immune system.
摘要:
Compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or an optionally substituted, straight-chain or branched alkyl or mono- or poly-unsaturated alkenyl radical with in each case up to 30 C atoms,X represents CH.sub.2, O, S or NR,whereinR denotes hydrogen or an alkyl group with up to 20 C atoms, andR.sup.2 represents hydrogen or an optionally substituted, straight-chain or branched, saturated or mono- or poly-unsaturated hydrocarbon radical with up to 30 C atoms,or pharmaceutically acceptable salts thereof, stimulate the immune system and help fight infection.
摘要:
Compounds of the formula ##STR1## in which R.sup.1 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms,X represents --CH.sub.2 --, --O-- or --NH--,R.sup.2 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms,R.sup.3, R.sup.4 and R.sup.5, independently of one another, denotes hydrogen or acyl--CO--R.sup.6, R.sup.6 being an alkyl radical having up to 10 carbon atoms,R.sup.7 denotes hydrogen, C.sub.1 -C.sub.7 -alkyl-, hydroxymethyl, 1-hydroxyethyl, mercaptomethyl, 2-(methylthio)-ethyl, 3-aminopropyl, 3-ureidopropyl, 3-guanidyl-propyl, 4-aminobutyl, carboxymethyl, carbamylmethyl, 2-carboxyethyl, 2-carbamoylethyl, benzyl, 4-hydroxybenzyl, 3-indolylmethyl or 4-imidazolylmethyl, andR.sup.8 represents hydrogen or methyl, andR.sup.9 represents hydrogen, acetyl, benzoyl, trichloroacetyl, trifluoroacetyl, methoxycarbonyl, t-butyloxycarbonyl or benzyloxycarbonyl andR.sup.7 and R.sup.8 together can denote --CH.sub.2 --CH.sub.2 --CH.sub.2, and pharmaceutically acceptable salts thereof stimulate the immune system and can be used in conjuction with antibiotics and vaccines. New intermediates are also shown.
摘要:
The invention relates to sisomicin derivatives of formula (I) and methods for their preparation. Also included in the invention are compositions containing said sisomicin derivatives and the use of said derivatives and compositions for the treatment of bacterial infections.
摘要:
1-Cyclopropylquinolone-3-carboxylic acids of the formula ##STR1## in which R.sup.1 is hydrogen, methyl, ethyl or .beta.-hydroxyethyl, andR.sup.2 is hydrogen, chlorine or fluorineor salts thereof stimulate the immune system, especially in conjunction with an antigen.
摘要:
Pseudotrisaccharides of the sisomycin type are provided which are effective an antibacterial agents, particularly against gram-negative microorganisms. The invention also includes methods for the manufacture of the pseudotrisaccharides, compositions containing said pseudotrisaccharides and methods for the treatment of warm-blooded animals using said compounds and compositions.
摘要:
The invention relates to sisomicin derivatives defined below in Formula (I) and a process for the preparation of said derivatives. Also included in the invention are compositions containing said derivatives and methods for using said derivatives and compositions. ##STR1##