摘要:
The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.
摘要:
The invention relates to bicyclic heterocyclic compounds of general formula ##STR1## wherein A to F, Y.sub.1 and Y.sub.2 are defined as in claim 1, the tautomers thereof, the stereoisomers thereof including their mixtures, and salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them as well as new intermediate products of general formula Ia.
摘要:
The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
摘要:
The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
摘要:
The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
摘要:
Compounds of the formula ##STR1## wherein A is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --NH--CO--, --CH.sub.2 --CO-- or ##STR2## where R.sub.7 is alkyl of 1 to 3 carbon atoms, andB is methylene, carbonyl or thiocarbonyl, orA is --CO--CO--, --N.dbd.CH--, ##STR3## where R.sub.8 is hydrogen or alkyl of 1 to 3 carbon atoms substituted by a phenyl, methoxyphenyl or dimethoxyphenyl, andB is methylene;E is n-alkylene of 2 to 4 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, 2-hydroxy-n-propylene, 2-hydroxy-n-butylene or 3-hydroxy-n-butylene;G is n-alkylene of 1 to 5 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, wherein one methylene group of an n-alkylene of 2 to 5 carbon atoms can be replaced by a carbonyl group, with the proviso that B represents a methylene or carbonyl group, or methylene-n-hydroxy-alkylene of 1 to 4 carbon atoms, where the methylene group is attached to the nitrogen atom; andR.sub.1 to R.sub.5 are simple substituents of various types;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.
摘要:
This invention relates to novel indole derivatives of the formula ##STR1## wherein A represents a --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, ##STR2## group and B represents a methylene, carbonyl, or thiocarbonyl group or A represents a --CO--CO-- or ##STR3## group and B represents a methylene group, E represents an alkylene group or a 2-hydroxy-n-propylene, 2-hydroxy-n-butylene, or 3-hydroxy-n-butylene group,G represents an alkylene group,R.sub.1 represents a hydrogen, chlorine, or bromine atom or a trifluoromethyl, nitro, amino, alkylamino, dialkylamino, alkyl, hydroxyl, alkoxy, or phenylalkoxy group,R.sub.2 represents a hydrogen, chlorine, or bromine atom or a hydroxyl, alkoxy, phenylalkoxy, or alkyl group orR.sub.1 and R.sub.2 together represent an alkylenedioxy group,R.sub.3 represents a hydrogen, chlorine, or bromine atom or an alkyl group,R.sub.4 represents a hydrogen atom or an alkyl or phenylalkyl group,R.sub.5 represents a hydrogen, fluorine, chlorine, or bromine atom or an alkyl, hydroxyl, alkoxy, or phenylalkoxy group,R.sub.6 represents a hydrogen atom or an alkoxy group, andR.sub.7 represents a hydrogen atom or an alkenyl, alkyl or phenylalkyl group,and the acid additional salts thereof. These compounds, which may be obtained by use of known methods, have valuable pharmacological properties, particularly a heart rate-lowering activity.
摘要:
Compounds of the formula ##STR1## wherein A is ##STR2## where R.sub.1 is hydrogen or alkyl of 1 to 3 carbon atoms; R.sub.2 is alkoxy of 1 to 3 carbon atoms;R.sub.3 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.2, methylenedioxy or ethylenedioxy;R.sub.4 is hydrogen, alkyl of 1 to 3 carbon atoms or benzyl;R.sub.5 is hydrogen or alkyl of 1 to 3 carbon atoms;R.sub.6 is hydrogen or alkoxy of 1 to 3 carbon atoms;R.sub.7 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.6, methylenedioxy or ethylenedioxy; andN is 2 or 3;And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as heart rate reducers and mild antihypertensives.This invention relates to novel N-(phenylalkylaminoalkyl)-substituted quinazolinones and phthalazinones and nontoxic acid addition salts thereof, as well as to various methods of preparing these compounds.More particularly, the present invention relates to a novel class of N-substituted quinazolinones and phthalazinones represented by the formula ##STR3## wherein A is ##STR4## where R.sub.1 is hydrogen or alkyl of 1 to 3 carbon atoms; R.sub.2 is alkoxy of 1 to 3 carbon atoms;R.sub.3 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.2, methylenedioxy or ethylenedioxy;R.sub.4 is hydrogen, alkyl of 1 to 3 carbon atoms or benzyl;R.sub.5 is hydrogen or alkyl of 1 to 3 carbon atoms;R.sub.6 is hydrogen or alkoxy of 1 to 3 carbon atoms;R.sub.7 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.6, methylenedioxy or ethylenedioxy; andN is 2 or 3;Or a non-toxic, pharmacologically acceptable acid addition salt thereof.A preferred sub-genus thereunder is constituted by compounds of the formula I whereR.sub.1 and R.sub.5 are each hydrogen, methyl, ethyl, n-propyl or isopropyl;R.sub.4 is hydrogen, methyl, ethyl, n-propyl, isopropyl or benzyl;R.sub.2, r.sub.3 and R.sub.7 are each methoxy, ethoxy, n-propoxy or isopropoxy;R.sub.6 is hydrogen, methoxy, ethoxy, n-propoxy or isopropoxy;R.sub.2 and R.sub.3, together with each other, are methylenedioxy or ethylenedioxy;R.sub.6 and R.sub.7, together with each other, are methylenedioxy or ethylenedioxy; andn is 2 or 3;and non-toxic, pharmacologically acceptable acid addition salts thereof.A further, especially preferred sub-genus thereunder is constituted by compounds of the formula I whereR.sub.2 and R.sub.3 are methoxy in the 6- and 7-position, respectively, or, together with each other, methylenedioxy or ethylenedioxy;R.sub.4 is hydrogen or methyl;R.sub.5 is hydrogen;R.sub.6 is hydrogen or methoxy in the 3-position;R.sub.7 is methoxy in the 4-position or, together with R.sub.6, methylenedioxy or ethylenedioxy; andn is 2 or 3;and non-toxic, pharmacologically acceptable acid addition salts thereof.The compounds embraced by formula I may be prepared by the following methods:Method ABy reacting a compound of the formula ##STR5## wherein R.sub.2, R.sub.3, A and n have the same meanings as in formula I, andZ is a leaving-group, such as chlorine, bromine, iodine, alkylsulfonyloxy or arylsulfonyloxy,with a phenylalkylamine of the formula ##STR6## wherein R.sub.4, R.sub.5, R.sub.6 and R.sub.7 have the same meanings as in formula I.The reaction is carried out in an inert solvent, such as ether, tetrahydrofuran, methylformamide, dimethylformamide, dimethylsulfoxide, chlorobenzene or benzene, and depending upon the reactivity of substituent Z, at a temperature between -50 and +250.degree. C, but preferably at the boiling point of the particular solvent which is used. The presence of an acid-binding agent, such as an alkali metal alcoholate, an alkali metal hydroxide, an alkali metal carbonate, especially potassium carbonate, or a tertiary organic base, particularly triethylamine or pyridine, or of a reaction accelerator, such as potassium iodide, is of advantage.Method BBy reacting a compound of the formula ##STR7## wherein A, R.sub.2 and R.sub.3 have the same meanings as in formula I, with a phenylalkylamine of the formula ##STR8## wherein R.sub.4, R.sub.5, R.sub.6 and n have the same meanings as in formula I, andZ has the same meanings as in formula II.The reaction is carried out in an inert solvent, such as acetone, dimethylformamide, dimethylsulfoxide or chlorobenzene, and, depending upon the reactivity of substituent Z, at a temperature between 0 and 150.degree. C, but preferably at the boiling point of the particular solvent which is used. The presence of an acid-binding agent, such as an alkali metal alcoholate, an alkali metal hydroxide, an alkali metal carbonate, especially potassium carbonate, an alkali metal amide or a tertiary organic base, particularly triethylamine or pyridine, or of a reaction accelerator, such as potassium iodide, is of advantage.Method CBy reacting an aldehyde of the formula ##STR9## wherein R.sub.2, R.sub.3, A and n have the same meanings as in formula I, or an acetal thereof, with an amine of the formula III in the presence of catalytically activated hydrogen.The reductive amination is carried out with hydrogen in the presence of a hydrogenation catalyst, such as palladized charcoal, at a hydrogen pressure of 5 atmospheres, in a solvent, such as methanol, ethanol or dioxane, and at a temperature between 0 and 100.degree. C, but preferably between 20 and 80.degree. C.Method DBy reacting an amine of the formula ##STR10## wherein R.sub.2, R.sub.3, R.sub.4, A and n have the same meanings as in formula I, with a phenylalkyl compound of the formula ##STR11## wherein R.sub.5, R.sub.6 and R.sub.7 have the same meanings as in formula I, andZ has the same meanings as in formula II.The reaction is carried out in an inert solvent, such as acetone, methylene chloride, dimethylformamide, dimethylsulfoxide or chlorobenzene, and, depending upon the reactivity of substituent Z, at a temperature between 0 and 150.degree. C, but preferably at the boiling point of the particular solvent which is used. The presence of an acid-binding agent, such as an alkali metal alcoholate, an alkali metal hydroxide, an alkali metal carbonate, especially potassium carbonate, or a tertiary organic base, particularly triethylamine or pyridine, or of a reaction accelerator, such as potassium iodide, is of advantage.Method EFor the preparation of a quinazolinone derivative of the formula I, by reacting a benzoxazin-4-one of the formula ##STR12## wherein R.sub.1, R.sub.2 and R.sub.3 have the same meanings as in formula I, with an alkylenediamine of the formula wherein R.sub.4, R.sub.5, R.sub.6 and R.sub.7 have the same meanings as in formula I.The reaction is advantageously carried out in a solvent, such as benzene, dioxane, a lower alkanoic acid such as glacial acetic acid, or dimethylformamide, and optionally in the presence of an acid catalyst at a temperature between 50 and 150.degree. C, but preferably at the boiling point of the particular solvent which is used. The preferred solvent is glacial acetic acid. The reaction may, however, also be performed without a solvent.If the end product of methods A through E is a compound of the formula I wherein R.sub.4 is benzyl, the same may be de-benzylated to yield the corresponding compound wherein R.sub.4 is hydrogen. The de-benzylation is preferably effected by means of catalytic hydrogenation, for example with hydrogen in the presence of a catalyst such as palladized charcoal, in a solvent such as ethanol or ethylacetate, at a temperature between 25 and 75.degree. C and at a hydrogen pressure of 1 to 7 atmospheres.On the other hand, if the end product of methods A through E is a compound of the formula I wherein R.sub.4 is hydrogen; the same may be alkylated at the bridge nitrogen atom to form the corresponding compound where R.sub.4 is alkyl. The alkylation is carried out with a conventional alkylating agent, for example with an alkyl halide such as methyl iodide, ethyl iodide or isopropyl bromide, or with a dialkylsulfate such a dimethylsulfate, in a solvent such as acetone, dimethylformamide or dioxane, optionally in the presence of an inorganic or tertiary organic base, at a temperature between 0 and 50.degree. C. A methylation may also be effected by reaction with a mixture of formaldehyde and formic acid, preferably at the boiling point of said mixture.The compounds embraced by formula I are organic bases and therefore form acid addition salts with inorganic or organic acids. Examples of non-toxic, pharmacologically acceptable acid addition salts are those formed with hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, lactic acid, tartaric acid, maleic acid, 8-chlorotheophylline or the like.The starting compounds of the formulas II through X are either described in the literature or may be prepared by known methods, as described in the examples below.
摘要翻译:其中A是其中R 1是氢或1至3个碳原子的烷基的式“IMAGE”的化合物; R 2是1至3个碳原子的烷氧基; R3为1〜3个碳原子的烷氧基,或与R2一起亚甲二氧基或亚乙二氧基; R4是氢,1至3个碳原子的烷基或苄基; R5是氢或1〜3个碳原子的烷基; R6是氢或1〜3个碳原子的烷氧基; R 7为1〜3个碳原子的烷氧基,或与R6一起亚甲二氧基或亚乙二氧基; 和N IS 2 OR 3; 和非毒性,药理学上可接受的酸添加量; 化合物作为其有效的有效的H
摘要:
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or phenyl,R.sub.2 is hydrogen, chlorine or methoxy,R.sub.3 is hydrogen or methoxy,R.sub.2 and R.sub.3, together with each other, are methylenedioxy or ethylenedioxy,R.sub.4 and R.sub.5 are each hydrogen or lower alkyl,R.sub.6 is hydrogen or lower alkoxy,R.sub.7 is lower alkoxy,R.sub.6 and R.sub.7, together with each other, are methylenedioxy or ethylenedioxy,X is carbonyl or sulfonyl, andn is 2 or 3,And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful for slowing the heart rate.
摘要:
Compounds of the formula ##STR1## wherein A and B, which may be identical to or different from each other, are each straight alkylene of 2 to 4 carbon atoms which may have a methyl or phenyl substituent attached thereto,R.sub.1, r.sub.2, r.sub.3 and R.sub.4, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, hydroxyl, amino, nitro, acetylamino, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or (alkyl of 1 to 3 carbon atoms)thio,R.sub.5, r.sub.6, r.sub.7 and R.sub.8, which may be identical to or different from each other, are each hydrogen, alkyl of 1 to 4 carbon atoms, phenyl-(alkyl of 1 to 4 carbon atoms) or methoxyphenyl-(alkyl of 1 to 4 carbon atoms), orR.sub.5 and R.sub.6, together with each other, are straight alkylene of 2 to 5 carbon atoms, orR.sub.7 and R.sub.8, together with each other, are straight alkylene of 2 to 5 carbon atoms, andR.sub.9 is hydrogen, alkyl of 1 to 6 carbon atoms or phenyl-(alkyl of 1 to 6 carbon atoms),And non-toxic, pharmaceutically acceptable acid addition salts thereof; the compounds as well as the salts are useful as antiarrhythmics.