摘要:
A thiazetoquinoline-3-carboxylic acid derivative represented by the general formula (I) ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl group; R.sub.2 is a fluorine atom or a chlorine atom; R.sub.3 is a hydrogen atom, a lower alkyl group, a lower alkanoyl group, a halogenated lower alkanoyl, or alkoxycarbonyl group; and R.sub.4 is a hydrogen atom or a lower alkyl group, and a pharmacologically acceptable salt thereof, a process for preparation thereof, a pharmaceutical composition comprising the same, and a method for the treatment of an infectious disease by administering the same, are disclosed.
摘要:
The invention is concerned with the novel piperazinylquinoline-3-carboxylic acids represented by formula (I) ##STR1## or a pharmacologically-acceptable salt thereof, a process for the preparation of them, and a pharmaceutical composition which contains these new compounds as active ingredient and can be used as the therapeutic agent against bacteria.
摘要:
Novel alpha-aminoalkyl-alpha-alkylphenylacetonitrile derivatives useful for treatment of cartino vaso diseases, a peripheral circulatory insufficiency and cerebral circulation failure are disclosed.
摘要:
A piperidine derivative represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom or a lower alkyl group; X represents --CH.dbd.CH--, --CH.sub.2 CH.sub.2 --, or --CH.sub.2 O--; Y represents an alkylene group having 1 to 5 carbon atoms which may be optionally substituted with a lower alkyl group, or Y represents an --A--O--B-- group wherein A and B are the same or different and each independently represented an alkylene group having 1 to 3 carbon atoms which may be optionally substituted with a lower alkyl group is disclosed. Also disclosed are a pharmacologically acceptable salt of a compound of formula (I), a method for preparation of a compound of formula (I), an antihistaminic and antiallergic agent comprising a compound of formula (I), a pharmaceutical composition comprising a compound of formula (I), and a method for the treatment of an allergic disease by administering a compound of formula (I).
摘要:
Novel polycyclic compounds represented by the following formula: A--(CH.sub.2).sub.n --COOR.sup.1, wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; n represents an integer of from 0 to 5; and A is a group represented by the following formula: ##STR1## wherein X represents a hydrogen atom or a halogen atom; and Y represents a methylene group, an oxygen atom, or a sulfur atom, or A is a group represented by the following formula: ##STR2## and pharmacologically acceptable salts thereof are disclosed. Also disclosed are a method for preparing the same, a pharmaceutical composition comprising the same, an antiallergic agent and an agent for bronchial asthma comprising the same, and a method for treatment of an allergic disease or bronchial asthma comprising the step of administering the same.
摘要:
A piperidine derivative represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each independently represents a hydrogen atom, a halogen atom, a lower alkyl group, or a lower alkoxy group; R.sub.3 represents a hydrogen atom or a lower alkyl group; X represents an oxygen atom or a sulfur atom; Y represents an alkylene group having 1 to 7 carbon atoms which may be optionally substituted with a lower alkyl group, or Y represents an --A--O--B-- group wherein A and B are the same or different and each independently represents an alkylene group having 1 to 3 carbon atoms which may be optionally substituted with a lower alkyl group is disclosed. Also disclosed are a pharmacologically acceptable salt of a compound of formula (I), an antihistaminic and antiallergic agent comprising a compound of formula (I), a pharmaceutical composition comprising a compound of formula (I), and a method for the treatment of an allergic disease by administering a compound of formula (I).
摘要:
Tricyclic compounds represented by the following formula: ##STR1## wherein X represents --CH.dbd.CH--, --CH.sub.2 O--, or --O--;R.sup.1 represents a lower alkyl group,R.sup.2 represents a hydrogen atom or a lower alkyl group; andn represents an integer of from 1 to 5, pharmacologically acceptable salts thereof, and a method for preparing the same. The present compounds have anti-allergic and anti-histaminic activities and reduced side effects, and are useful as anti-allergic agents and anti-histaminic agents.
摘要:
Derivatives of N-substituted flavone-8-carboxamides represented by general formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, a methyl group or an ethyl group, R.sub.2 represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group, a halogen atom or a nitro group, R.sub.3 represents a hydrogen atom or a lower alkyl group, k represents 0, 1, 2, or 3, m represents 0 or 1; X and Y, which must be different, represent a hydrogen atom or methyl group. A represents an amino group having the formula ##STR2## wherein, R.sub.4 and R.sub.5, which may be the same or different, represent a lower alkyl group or a cyclic amino group together with the nitrogen atom and with or without an oxygen atom, R.sub.6 represents a lower alkyl group and n represents 2 or 3, are disclosed, as well as pharmaceutical compositions thereof and method of treating therewith.The N-substituted flavone-8-carboxamides derivatives are useful as agents for treatment of dysurea.
摘要:
Phenoxyethylamine derivatives represented by the general formula (I): ##STR1## wherein R.sub.1 and R.sub.5 represent lower-alkyl, R.sub.2 and R.sub.3, which may be the same or different, each represents hydrogen or lower-alkyl, or ##STR2## represents a 5- or 6-membered ring system which may include nitrogen, oxygen or sulfur as a ring membered atom, R.sub.4 represents hydrogen or lower-alkyl, and n represents an integer selected from 1 to 3, their optical isomers and pharmacologically-acceptable acid addition salts, which exhibit excellent .alpha..sub.1 -blocking activity, a process for their preparation, pharmaceutical compositions thereof, and a method for the treatment of a subject afflicted with hypertension or dysuria by administrating such a compound, are all disclosed.
摘要:
Certain 4'-alkyl-2-methyl-3-pyrrolidinopropiophenones, acid addition salts thereof, their method of preparation, pharmaceutical compositions embodying the same, and a method of muscle relaxation therewith, are disclosed.