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:
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.
摘要:
The present invention provides diphosphonates of the general formula: ##STR1## wherein Het is 1,2,3-triazole, or 1,2,4-triazole radical, which is optionally substituted by alkyl, alkoxy, halogen, hydroxyl, carboxyl, an amino group optionally substituted by alkyl or acyl radicals or is a benzyl radical optionally substituted by alkyl, nitro, amino or aminoalkyl, A is a straight-chained or branched, saturated or unsaturated hydrocarbon chain containing 2 to 8 carbon atoms, X is a hydrogen atom, optionally substituted by acyl, or an amino group optionally substituted by alkyl or acyl radicals and R is a hydrogen atom or an alkyl radical; and the pharmacologically acceptable salts thereof.The present invention also provides processes for the preparation of these diphosphonates and pharmaceutical compositions containing them.
摘要:
The present invention produces alkyldiphosphonic acid derivative of the general formula: ##STR1## wherein Het is a heteroaromatic five-membered ring containing to 3 heteroatoms which can be partly hydrogenated and optionally substituted one or more times by alkyl, alkoxy, phenyl, cyclohexyl, cyclohexylmethyl, halogen or amino, and two adjacent alkyl substituents can together also form a ring, Y is a hydrogen atom or a lower alkyl radical, X is a hydrogen atom, a hydroxyl group or an amino group optionally substituted by lower alkyl and R is a hydrogen atom or a lower alkyl radical, with the proviso that Het is not a pyrazole ring; as well as the pharmacologically acceptable salts thereof.The present invention also provides processes for the prepearation of these compounds and pharmaceutical compositions containing them useful for the treatment or prophylaxis of calcium metabolism disturbances or disease as for example osteoporosis, Bechterew's disease, bone metastases, urolithiasis, heterotropic ossifications, rheumatoid arthritis osteoarthritis or degenerative arthrosis.
摘要:
The present invention provides phospholipids of the general formula: ##STR1## wherein X is a valency bond, an oxygen or sulphur atom or a sulfonyl, sulfinyl, phenylene, cycloaklylene, carbonylamino, aminocarbonyl, ureido or carbonyl group, R.sub.1 is a hydrogen atom or a straight-chained or branched, saturated or unsaturated aliphatic hydrocarbon radical containing up to 18 carbon atoms, which is optionally substituted one or more times by halogen, alkoxy, alkylthio, alkanesulfinyl, alkanesulfonyl, carbalkoxy or phenyl, R.sub.2 is a straight-chained or branched, saturated or unsaturated divalent aliphatic hydrocarbon radical containing up to 18 carbon atoms, which is optionally substituted one or more times by halogen, alkoxy, alkylthio, alkanesulphinyl, alkanesulphonyl, carbalkoxy or phenyl, Y is an oxygen atom or a --O--CO--O--, --O--CO--NH-- or --O--CS--NH-- group, R.sub.3 is a straight-chained or branched, saturated or unsaturated divalent aliphatic hydrocarbon radical containing 2 to 8 carbon atoms, which can also be part of a cycloalkane ring system and is optionally substituted one or more times by hydroxyl, halogen, alkylthio, alkanesulphinyl, alkanesulfonyl, nitrile, alkoxycarbonyl, carboxamido optionally substituted by alkyl radicals, cycoalkyl, optionally substituted phenyl or alkoxy, which in turn is optionally substituted by phenyl, hydroxyl, alkoxy, alkylthio, alkanesulfinyl, alkanesulfonyl, optionally acylated amino, alkoxycarbonyl, nitrile or carboxamido optionally substituted by alkyl radicals, Z is an oxygen or sulfur atom, R.sub.4 is a straight-chained or branched alkylene radical containing 2 to 5 carbon atoms and R.sub.5 is a hydrogen atom or a lower alkyl radical, with the proviso that when X is a valency bond, R.sub.1 and R.sub.2 together represent an unsubstituted, straight-chained or branched, saturated or unsaturated divalent aliphatic hydrocarbon chain containing up to 18 carbon atoms, Y, R.sub.4 and R.sub.5 have the above-given meanings and Z is an oxygen atom, R.sub.3 cannot be a propylene or 2-methylpropylene chain optionally substituted by hydroxyl, alkoxy or benzyloxy and with the proviso that when X is a valency bond, R.sub.1 and R.sub.2 together signify an alkyl radical containing up to 18 carbon atoms and substituted by halogen or phenyl, Y and Z are oxygen atoms and R.sub.4 and R.sub.5 have the above-given meanings, R.sub.3 cannot be a propylene or 2-hydroxypropylene chain; and the pharmacologically acceptable salts thereof.The invention also provides pharmaceutical compositions containing such compounds, having cancerostatic action without inducing thrombocyte aggregation.
摘要:
The present invention provides diphosphonic acid derivatives of the general formula: ##STR1## according to claim 1. These compounds are useful for the treatment or prophylaxis of calcium metabolism disturbance or disease.
摘要:
The present invention provides 1-Hydroxy-3-(N-methyl-N-propylamino)propane-1,1-diphosphonic acid of formula ##STR1## wherein R is hydrogen or C.sub.1 -C.sub.4 alkyl and the pharmacologically acceptable salts thereof.The present invention also provides processes for the preparation of a diphosphonic acid of formula I and pharmaceutical compositions containing it for the treatment of diseases of the calcium metabolism.
摘要:
The present invention provides diphosphonates of the general formula: ##STR1## wherein Het is an imidazole, oxazole, isoxazole, thiazole, pyridine, 1,2,3-triazole, 1,2,4-triazole or benzimidazole radical, which is optionally substituted by alkyl, alkoxy, halogen, hydroxyl, carboxyl, an amino group optionally substituted by alkyl or alkanoyl radicals or a benzyl radical optionally substituted by alkyl, nitro, amino or aminoalkyl, A is a straight-chained or branched, saturated or unsaturated hydrocarbon chain containing 2 to 8 carbon atoms, X is a hydrogen atom, optionally substituted by alkanoyl, or an amino group optionally substituted by alkyl or alkanoyl radicals and R is a hydrogen atom or an alkyl radical; and the pharmacologically acceptable salts thereof.The present invention also provides processes for the preparation of these diphosphonates and pharmaceutical compositions containing them.
摘要:
The present invention provides diphosphonic acid derivatives of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another or also together, signify hydrogen atoms or lower alkyl radicals, whereby R.sub.1 and X or R.sub.3 and Y or R.sub.4 and Z, together with the nitrogen atom to which they are attached, can form a five- or six-membered ring, X and Y, which can be the same or different, represent a straight-chained or branched alkylene chain with up to 6 carbon atoms which can optionally be substituted by aromatic or heteroaromatic radicals, Z is a straight-chained or branched alkylene chain with up to 6 carbon atoms, which can be interrupted by heteroatoms and can optionally also be substituted by aromatic or heteroaromatic radicals, n is 0, 1 or 2 and A is a hydrogen atom or a hydroxyl group, and the pharmacologically acceptable salts thereof. The present invention also provides processes for the preparation of these new diphosphonic acid derivatives and pharmaceutical compositions containing them for the treatment of calcium metabolism disturbances.