摘要:
Optically active substituted 3-aminosydnonimines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, wherein R.sup.1 denotes, for example, the radical R.sup.3 (R.sup.4)N-,R.sup.2 denotes the radical 1-methoxyethyl (--CH(CH.sub.3)OCH.sub.3), acetoxy-phenyl-methyl (--CH(C.sub.6 H.sub.5)O--COCH.sub.3), 1-(ethoxycarbonyl)-ethoxy (--O--CH.sub.3)CO.sub.2 C.sub.2 H.sub.5),R.sup.3 denotes alkyl(C.sub.1 -C.sub.4) andR.sup.4 denotes for example alkyl(C.sub.1 -C.sub.4),possess valuable pharmaceutical properties.
摘要翻译:通式Ⅰ的光学活性的取代的3-氨基二氨基亚胺及其药学上可接受的酸加成盐,其中R1表示例如基团R3(R4)N-,R2表示基团1-甲氧基乙基(-CH( CH 3)OCH 3),乙酰氧基 - 苯基 - 甲基(-CH(C 6 H 5)O-COCH 3),1-(乙氧基羰基) - 乙氧基(-O-CH 3)CO 2 C 2 H 5),R 3表示烷基(C 1 -C 4) 烷基(C1-C4)具有有价值的药物性质。
摘要:
This invention relates to certain 4-acyl-piperazine-1-acetamides. These compounds are useful as memory and learning enhancers and for the treatment and prevention of cerebral insufficiency.
摘要:
Substituted 4,5-dihydro-3(2H)-pyridazinones of the formula I ##STR1## wherein R, for example, denotes a radical of the formula ##STR2## R.sup.1 and R.sup.2, for example, denote hydrogen or methyl, R.sup.3, for example, denotes 2-methoxy-ethoxy, 3-pyridyl-methoxy, amino-carbonyl-methoxy, hydroxy-carbonyl-methoxy, methyl-thio, (2-methoxy-ethyl)-amino-carbonyl-methoxy, 3-pyridyl-methyl or 5-methyl-1,3,4-oxadiazol-2-yl and R.sup.4, for example, denotes hydrogen, have useful pharmacological properties and can therefore be used for the preparation of pharmacological products.
摘要:
Tetrahydropyridazinones of the formula I ##STR1## wherein R denotes an optionally substituted carbocyclic or heterocyclic radical, R.sup.1 denotes hydrogen; alkyl; aralkyl, which is optionally substituted in the aryl part; or acyl, and R.sup.2 denotes hydrogen; alkyl, which can optionally be substituted; or optionally substituted phenyl; and their acid addition compounds, if these can be prepared.The tetrahydropyridazinone derivatives of the formula I according to the invention and their physiologically acceptable salts exhibit useful pharmacological actions.
摘要:
Optically active substituted 1,4-dihydropyridines of the formula I having calcium antogonistic properties: ##STR1## wherein R denotes alkyl with 1 to 5 C atoms, alkoxy-alkyl with 1 to 4 C atoms, in the alkoxy part and 2 to 4 C atoms in the alkyl part, dialkylaminioalkyl with a total of 3 to 6 C atoms each of the alkyl groups as substituents on the amino group having 1 to 3 C atoms, or --CH(CH.sub.3)CO.sub.2 R.sup.5 in the optically active (R)-forms,R.sup.1 denotes phenyl which is monosubstituted by cyano, nitro or chlorine or is disubstituted by chlorine, R.sup.2 denotes oxadiazolyl, or an oxadiaxolyl which is substituted by methyl, ethyl, i-propyl, tert.-butyl, benzyl, methylthio, i-propylthio, aminocarbonylthio or methoxymethyl,R.sup.5 denotes alkyl with 1 to 4 C atoms, and acid-addition salts thereof, and acid addition salts thereof.
摘要:
1,4-dihydropyridines of the formula I ##STR1## wherein R.sup.1 denotes optionally substituted phenyl, pyridyl or thienyl, R.sup.2 denotes optionally substituted oxadiazolyl, thiadiazolyl or thiazolyl and R.sup.3 denotes hydrogen or --COOH, their preparation by a modified Hantzsch synthesis and their use as a calcium-agonist in pharmacy.
摘要:
2,5-Dimethylpyrrole derivatives of the formula I ##STR1## in which R denotes alkyl which is substituted by --NH.sub.2, acylamino of the formula--NH--CX--R.sup.1or by an optionally substituted heterocycle having 1 hetero member; or denotes an optionally substituted heterocycle having 1 member, and X and R.sup.1 have the meanings givenand their pharmacologically acceptable acid addition salts, their preparation by reaction of amines of the formula IIR--NH.sub.2 (II)with acetonylacetone or by acylating N-aminoalkyl-2,5-dimethylpyrroles, and their use as pharmaceutical active compounds.
摘要:
1,4-dihydropyridines of the formula I ##STR1## in which R denotes, for example, --CO.sub.2 R.sup.3 or cyano, R.sup.1 denotes, for example, an optionally substituted phenyl, pyridyl or thienyl, R.sup.2 denotes the radical of a 5-membered, optionally substituted, ring having at least one double bond and at least 2 heteroatoms or heteroatom groups from the series comprising O, N, NH and S, and R.sup.3 denotes, for example, alkyl or alkoxyalkyl, and their acid addition salts, have valuable pharmacological properties.
摘要翻译:其中R表示例如-CO 2 R 3或氰基,R 1表示例如可以具有取代基的苯基,吡啶基或噻吩基的式I的(I)的1,4-二氢吡啶基,R 2表示5 含有O,N,NH和S的系列中至少有一个双键和至少两个杂原子或杂原子的环,任选取代的环,R3表示例如烷基或烷氧基烷基,及其酸加成盐, 具有宝贵的药理性质。
摘要:
Organic nitrates, processes for their preparation and their use in the treatment of vascular diseases and in particular in the treatment of angina.The said nitrates correspond to the following formula I:R--CO--(A).sub.n --Y--B (I)in which:R represents, in particular, a sulphur-containing radical and a sulphur-containing amino acid residue; A represents, in particular, a CH.sub.2 group or a substituted amino acid; n is 0 or 1 or greater than 1; Y represents an oxygen atom or an NH group and B represents, in particular, a 1,4:3,6-dianhydro hexitol mononitrate radical, an itol nitrate radical or an inositol radical.The said organic nitrates are prepared by reacting:I. either a thio acid of the type R--COOH, in which R has the same meaning as above, with a derivative of formula II: (A).sub.n --Y--B, in which A, Y, B and n have the same meaning as above,II. or a derivative of formula III: R--CO--(A).sub.n, in which R, A and n have the same meaning as above, with a derivative of formula Y--B, in which Y and B have the same meaning as above, in an appropriate solvent and under non-epimerising conditions.