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## 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 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:
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:
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 represents an optionally substituted, straight-chain or branched, saturated, monounsaturated or polyunsaturated alkyl radical, an optionally substituted, saturated or one- or polyunsaturated cycloalkyl radical or an optionally substituted aryl radical or aralkyl radical,X represents CH.sub.2, O, S, NH or N-alkyl with up to 20 C atoms,R.sup.2 has the meaning of R.sup.1, and can represent hydrogen if X denotes CH.sub.2, the radicals R.sup.3 independently of one another represent hydrogen, an acyl radical or alkyl radical with in each case up to 20 C atoms, a silyl radical and/or a phosphoric acid or phosphoric acid ester radical andR.sup.4 denotes hydrogen, methyl or --CH.sub.2 --OR.sup.3, with the proviso that one of the radicals R.sup.3 always represents a phosphoric acid or phosphoric acid ester radical, which stimulate a patient's immune system and are thereby effective in combating viral disease and bacterial infection.
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:
A N-glycosylamide derivative of the formula (I) ##STR1## in which R.sup.1 denotes hydrogen or a saturated or mono- or polyunsaturated alkyl radical with one to 50 carbon atoms,R.sup.2 denotes hydrogen or a saturated or mono- or polyunsaturated alkyl radical with one to 50 carbon atoms,R.sup.3 denotes hydrogen or an acyl radical with up to 20 carbon atoms,R.sup.4 denotes hydrogen or an alkyl radical with up to 4 carbon atoms andR.sup.5 and R.sup.6 independently of one another denote hydrogen or an acyl radical with up to 10 carbon atoms or a saturated or an unsaturated alkyl radical or an aralkyl radical with up to 10 carbon atoms, orR.sup.5 l and R.sup.6 together denote a grouping ##STR2## wherein R.sup.7 and R.sup.8 independently of one another denote hydrogen or lower alkyl with up to 5 carbon atoms or an unsubstituted or substituted aryl radical with up to 10 C atoms in the aromatic part. The N-glycosylamide derivatives exhibiting a broad defense-increasing action in the body.
摘要:
The invention relates to new N-glycosylamides of the general formula I ##STR1## in which R.sup.1 denotes a saturated alkyl radical or a singly, doubly or triply unsaturated alkenyl radical having up to 50 carbon atoms,R.sup.2 denotes a saturated alkyl radical or a singly, doubly or triply unsaturated alkenyl radical having up to 50 carbon atoms,A represents --CO-- or represents a group ##STR2## in which R.sup.3 represents hydrogen, C.sub.1 -C.sub.7 alkyl, hydroxymethyl, 1-hydroxyethyl, mercaptomethyl, 2-methylthioethyl, 3-aminopropyl, 2-ureidopropyl, 3-guanidylpropyl, 4-aminobutyl, carboxymethyl, carbamoylmethyl, 2-carboxyethyl, 2-carbamoylethyl, benzyl, 4-hydroxybenzyl, 3-indolylmethyl or 4-imidazolylmethyl, andn represents 0 to 10,and which are substituted in the sugar residue with an amino acid residue, as well as process for their preparation and their use as medicaments.