摘要:
New dye-polysaccharide and dye-cyclosaccharide conjugates and their use as a diagnostic agent especially for determining the glomerular filtration rate in humans.
摘要:
Compounds of the formula I ##STR1## in which R signifies a possibly substituted amino group of the general formula --NR.sup.1 R.sup.2, whereby, independently of one another, R.sup.1 and R.sup.2 each signify hydrogen, lower alkyl, lower alkenyl or lower alkynyl or R represents a saturated, unsaturated or aromatic heterocyclic ring which can possibly be substituted once or twice by lower alkyl or halogen, alk signifies a valency bond, a methylene, a saturated or unsaturated, straight-chained or branched alkylene chain with 2-6 carbon atoms and R.sup.3, R.sup.4 and R.sup.5, in each case independently of one another, signify hydrogen, lower alkyl or benzyl, as well as their pharmacologically acceptable salts and enantiomers, whereby, for the case that R.sup.3 =R.sup.4 =R.sup.5 =CH.sub.3 and alk signifies a valency bond, R cannot be the dimethylamino group, processes for their preparation and medicaments which contain these compounds for the treatment of calcium metabolism diseases.
摘要:
The present invention provides a method of inhibiting protein kinase C in a mammal having a tumor system which contains protein kinase C, which mammal is undergoing cytostatic therapy. The method comprises administering to the mammal a protein kinase C inhibitor.
摘要:
The present invention provides disphosphonates of the general formula: ##STR1## wherein R.sub.1 is a straight-chain or branched, saturated or unsaturated aliphatic hydrocarbon radical of 1-9 carbon atoms which is optionally substituted by phenyl or cyclohexyl, R.sub.2 is cyclohexyl or cyclohexylmethyl, benzyl or a straight-chained or branched, saturated or unsaturated aliphatic hydrocarbon of 4 to 18 carbon atoms which is optionally substituted by phenyl or oxygen wherein the oxygen can be esterified or etherified, R.sub.3 is hydrogen or a straight-chain or branched alkyl of 1-4 carbon atoms, X is a straight-chain or branched alkylene chain of 1-6 carbon atoms and Y is hydrogen, hydroxyl or an amino group optionally substituted by alkyl radicals of 1-6 carbon atoms; as well as the pharmacologically acceptable salts thereof.The present invention also provides processes for the preparation of these diphosphonic acid derivatives and pharmaceutical compositions containing them for the prophyllaxis treatment of diseases or disturbances of calcium metabolism such as osteoporsis, Pagets disease, Bechterew's disease, bone metastases, urolithiasis, heterotropic ossifications, rheumatoid arthritis, osteoarthritis and degenerative arthrosis.
摘要:
2-Substituted-1-aziridine-carboxylic acid esters exhibiting immuno-stimulant activity and of the formula ##STR1## wherein X is a carbamoyl or alkoxycarbonyl radical, andR.sup.1 is an aliphatic hydrocarbon radical optionally substituted by halogen, alkoxy, amino, carbamoyloxy, cycloalkyl, hydroxyl, an imido or heterocyclic radical, cycloalkyl; or aryl, aralkyl, aryloxyalkyl or arylthioalkyl wherein the aryl moiety is optionally substituted by halogen, alkyl, alkoxy, hydroxyl, amino, nitro, cyano, acyl, carbalkoxy, thioalkyl, alkylsulphonyl, phenyl or trifluoromethyl. Counterparts where X is --CN and R.sup.1 is as above, except for ethyl, are also new.
摘要:
Aziridine-2-carboxylic acid derivatives of the formula ##STR1## wherein X is a carboxyl, nitrile, alkoxycarbonyl or carbamoyl group, andR and R.sup.1 are various organic radicals, or pharmacologically acceptable salts thereof, exhibit marked immunostimulant activity, especially in conjunction with added chemotherapeutic agents such as a penicillin, a cephalosporin, a nitrofuran or chloramphenicol. Those compounds are new where X is a cyano group or an alkoxycarbonyl radical and R.sub.1 is a hydrogen atom, but R' is not an unsubstituted alkyl radical or an alkyl radical substituted by hydroxyl, alkoxy, dialkylamino, phenyl, 4-chlorophenyl or 4-methoxyphenyl or a vinyl radical substituted by a phenyl or methyl radical, or a cycloalkyl radical, a phenyl a 4-chlorophenyl, a 4-methoxyphenyl, an s-triazinyl or a pyridinyl radical; or where X is a carbamoyl group and R.sub.1 is a hydrogen atom, R' is not an unsubstituted cyclohexyl, alkyl or benzyl radical; or where X is a cyano group or an alkoxycarbonyl radical and R.sub.1 is a phenyl radical, R' is not an isopropyl, cyclohexyl, phenyl, benzyl or p-chlorobenzyl radical; or where R.sub.1 is a methyl radical, R.sup.1 is not a benzyl, p-chloro- or p- methoxybenzyl radical.
摘要:
The present invention provides [3-(C.sub.16 -C.sub.18)-alkaesulphinyl- and -sulphonyl-2-methoxy-methylpropyl]-(2-trimethylammonioethyl) phosphates having superior anti-tumor activity.
摘要:
Compounds of the formula I ##STR1## in which R can be hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.1 hydrogen, C.sub.1 -C.sub.6 -alkyl, aryl, aryl-C.sub.1 -C.sub.4 -alkyl, amino-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylamino-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.6 -dialkylamino-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.7 -alkenyl, R.sup.2 R.sup.1 or C.sub.2 -C.sub.7 -alkenyl, C.sub.1 -C.sub.6 -alkylmercapto, C.sub.1 -C.sub.6 -alkoxy, phenoxy-C.sub.1 -C.sub.4 -alkyl,amino, C.sub.1 -C.sub.4 -alkylamino, di-C.sub.1 -C.sub.4 -alkylamino, morpholino, thiomorpholino, pyrrolidino, piperidino, hexamethyleneimino, pyrasolino, imidazolino, n 0, 1 or 2 and R.sup.1 and R.sup.2, together with the carbon and the nitrogen atom to which they are attached, can form a heterocyclic five-, six- or seven-membered ring with 1-4 heteroatoms, whereby the heteroatoms can be the same or different and signify oxygen, nitrogen or sulphur and the annelated ring can possibly be substituted by one or more C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylmercapto groups, hydroxyl, amino, nitro, halogen or halomethyl, as well as their pharmacologically acceptable salts, processes for their preparation, as well as medicaments which contain these compounds for the treatment of calcium metabolism disturbances.
摘要:
The present invention provides compounds of the formula: ##STR1## The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them useful in treatment and prophylaxis of disorders of calcium metabolism.
摘要:
Diphosphonate compounds, processes for their preparation and pharmaceutical compositions containing them and being useful for treating calcium metabolism disorders. The diphosphonates are of the formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen, acyl or alkyl which can be substituted by aryl, R.sub.3 and R.sub.4 are hydrogen or alkyl or R.sub.3 and R.sub.4 together represent lower alkylene, R.sub.5 is a hydrogen atom or alkyl, X is a valency bond or alkylene, Y is a valency bond, alkylene or substituted alkylene, Z is hydrogen, hydroxyl or amino group optionally substituted by alkyl and n is 1, 2 or 3; and including the pharmacologically acceptable salts thereof.