摘要:
New acylated 2-aminothiazole derivatives of the general formula (I), ##SPC1##whereinR.sup.1 stands for phenyl group or a pyridyl group,R.sup.2 stands for hydrogen or lower alkyl,R.sup.3 stands for hydrogen, a lower alkyl group or benzyl group, andR.sup.4 and R.sup.5 each represent hydrogen, a C.sub.1-8 alkyl group, allyl group, a hydroxyalkyl group, a C.sub.3-6 cycloalkyl group, .beta.-dimethylaminoethyl group, .beta.-diethylaminoethyl group, benzyl group, 2-furylmethyl group, or a phenyl group having optionally a halogen, methyl, methoxy or trifluoromethyl substituent, orR.sup.4 and R.sup.5 may form, together with the adjacent nitrogen atom, a 5 to 8 membered polymethyleneimino group, morpholino group, piperazino group, N-methylpiperazino group or N-phenylpiperazino group, the compounds of formula I are anticholinergics.
摘要:
3-(1-Pyrazolyl)-pyridazine derivatives of the formula I, or pharmaceutically acceptable acid addition salts thereof, which decrease high blood pressure and inhibit catabolism or prostaglandins, ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkyl,R.sup.2 is hydrogen, cyano, carboxyl, carbamoyl, carbaxoyl or C.sub.1-4 alkoxycarbonyl,R.sup.3 is hydrogen or chlorine or --NR.sup.4 NHR.sup.5 or NR.sup.6 R.sup.7, wherein R.sup.4 and R.sup.5 are each hydrogen or C.sub.1-4 alkyl, wherein R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-5 alkyl, C.sub.1-5 hydroxyalkyl, C.sub.3-7 cycloalkyl, phenyl or benzyl, or benzyl or phenylethyl substituted with one or two chlorine atoms or methoxy groups, or a furylmethyl, pyridylmethyl, pyrrolidine or piperazine ring, or when R.sup.7 is hydrogen, R.sup.6 is --(CH.sub.2).sub.n --NR.sup.4 R.sup.5 wherein n is an integer from 1 to 3.
摘要翻译:降低高血压并抑制分解代谢或前列腺素的式I的3-(1-吡唑基) - 哒嗪衍生物或其药学上可接受的酸加成盐,其中R 1是氢或C 1-4烷基, R2是氢,氰基,羧基,氨基甲酰基,碳酰基或C1-4烷氧基羰基,R3是氢或氯或-NR4NHR5或NR6R7,其中R4和R5分别是氢或C1-4烷基,其中R6和R7各自是氢或C1 或烷基,C 1-5羟基烷基,C 3-7环烷基,苯基或苄基,或被一个或两个氯原子或甲氧基取代的苄基或苯乙基,或呋喃基甲基,吡啶基甲基,吡咯烷或哌嗪环,或者当R7为氢时, R 6为 - (CH 2)n -NR 4 R 5,其中n为1至3的整数。
摘要:
Pyridazinylhydrazones capable of lowering blood pressure having the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, alkyl having from 1 to 4 carbon atoms, methoxy, hydroxyl, carbamoyl or cyano;R.sup.2 is morpholino; andK is a group having the formula ##STR2## wherein one of R.sup.3, R.sup.4, R.sup.5 or R.sup.6 is carboxyl or alkoxycarbonyl.
摘要:
The invention relates to compounds of general formula ##STR1## wherein R.sup.1 stands for a hydrogen atom or a C.sub.1-6 alkyl-, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group,R.sup.2 stands for a hydrogen, fluorine, chlorine or bromine atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a nitro or an --NR.sup.5 R.sup.6 group, wherein R.sup.5 and R.sup.6 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl or a C.sub.2-4 hydroxyalkyl group,R.sup.3 stands for a hydrogen atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group, a chlorine atom or a hydroxyl, amino or methoxy group,R.sup.4 stands for a carbamoyl, a cyano or an --NR.sup.7 --NHR.sup.8 group, wherein R.sup.7 and R.sup.8 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.1-4 alkoxycarbonyl or an --NR.sup.9 R.sup.10 group, wherein R.sup.9 and R.sup.10 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-5 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl, a phenyl or a benzyl group, or --NR.sup.9 R.sup.10 may represent a morpholine, piperidine or piperazine ring,and their pharmaceutically acceptable acid-addition salts. Furthermore, the invention relates to a process for preparing these compounds.The novel compounds of general formula I have valuable pharmacological properties. Thus they show a considerable hypotensive effect and are capable to inhibit enzymes regulating the catabolism of prostaglandins.
摘要:
Pyridazinylhydrazones capable of lowering blood pressure have the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, alkyl having from 1 to 4 carbon atoms, methoxy, hydroxyl, carbamoyl or cyano;R.sup.2 is chloro; andK is a group having the formula ##STR2## wherein one of R.sup.3, R.sup.4, R.sup.5 or R.sup.6 is carboxyl or alkoxycarbonyl.
摘要:
4-[(3,4-Dialkoxyphenyl)alkyl]-2-imidazolidinone derivatives having the formula I ##STR1## wherein R.sup.1 stands for a cycloalkyl group containing from 3 to 6 carbon atoms or benzyl group;R.sup.2 stands for hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms;R.sup.3 stands for hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms;R.sup.4 stands for hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms or an alkoxycarbonyl group containing from 1 to 4 carbon atoms; andR.sup.5 stands for hydrogen atom or an alkoxycarbonyl group containing from 1 to 4 carbon atoms,are prepared by(a) reducing a hydantoin derivative having the general formula II, wherein R.sup.1 and R.sup.2 are as defined above, with lithium aluminum hydride in a neutral organic solvent, or(b) hydrogenating catalytically an 1,3-dihydro-2H-imidazol-2-one derivative having the general formula III, wherein R.sup.1 and R.sup.3 are as defined above, while the meaning of R.sup.4 is hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, or(c) reacting a carbamate derivative having the general formula IV, wherein R.sup.1 is as defined above, while R.sup.6 stands for an alkyl group containing from 1 to 4 carbon atoms, with an organic or inorganic base.The compounds having the formula I possess valuable therapeutical properties, mainly anorexigenic activity.
摘要:
The invention relates to new 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-3,4-dihydro-5H-2,3-benzodiazepi ne of formula (1), optically active isomers and acid addition salts thereof as well as to pharmaceutical compositions containing these compounds. ##STR1## The new compounds of formula (I) can be prepared by reducing 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-5H-2,3-benzodiazepine of formula (II) with an inorganic or organic-inorganic and/or complex metal hydride and, if desired, separating the optically active forms of the compound of formula (I) thus-obtained and, if desired, converting the base or bases into acid addition salts or converting the salts into the free bases(s). ##STR2## The new compound of formula (I) possesses significant central nervous effects and can advantageously be used in the therapy.
摘要:
The invention relates to novel 3(2H)-pyridazinone-derivatives of the general formula (I), pharmaceutical compositions containing them and process for their preparation. In the general formula (I) ##STR1## stands for an ethyl or propyl group substituted by a terminal halogen atom or a hydroxyl or NR.sup.1 R.sup.2 group, whereinR.sup.1 represents hydrogen atom or an unsubstituted or optionally substituted benzyl group;R.sup.2 represents hydrogen atom or an unsubstituted or optionally substituted benzo[1,4]dioxan-2-yl-methyl or -ethyl group or a (CH.sub.2).sub.n --R.sup.3 group, whereinn is 2 or 3; andR.sup.3 stands for an unsubstituted or optionally substituted phenoxy or phenylthio group; andX stands for a hydrogen or halogen atom or an unsubstituted or optionally substituted, saturated or unsaturated 5- or 6-membered heterocyclic group containing a nitrogen atom and optionally an additional heteroatom, e.g. an oxygen, sulfur or nitrogen atom,with the proviso that R is different from an ethyl or propyl group substituted terminally by a hydroxyl group or halogen atom when X represents a hydrogen or chlorine atom.The compounds of general formula (I) selectively inhibit the adrenergic alpha.sub.1 receptors, have a calcium-antagonistic effect and exert blood pressure lowering action.
摘要:
This invention relates to new 1-(hydroxystyryl)-5H-2,3-benzodiazepine derivatives of the general formula (I) and to a process for the preparation thereof, furthermore to pharmaceutical compositions containing the same, ##STR1## wherein R stands for a hydrogen or halogen atom, or a C.sub.1-4 alkoxy group,R.sup.1 represents a hydrogen atom or a C.sub.1-4 alkyl group,R.sup.2 and R.sup.3 are identical and denote a C.sub.1-4 alkyl group, or combined they denote a methylene group.The compounds of the general formula (I) possess valuable positive inotropic (cardiotonic) potency, are capable to increase the myocardiac contractile force (heart performance in cardiac insufficiency), thus they can be applied in the therapy of chronic heart failure and coronary ailments.
摘要:
1-tert.-butylamino-3-(2,5-dichlorophenoxy)-2-propanol and its pharmaceutically acceptable acid addition salts possess hypotensive and bradycardizing effects. Thus they can be applied in human therapy for the treatment of hypertension and simultaneously also of tachycardia.