摘要:
A novel 4-piperidinecarboxamide derivatives represented by the general formula (I): ##STR1## wherein each R.sup.1 and R.sup.2 represents a hydrogen atom, or R.sup.1 together with R.sup.2 represents a cyclopentanespiro or cyclohexanespiro group; R.sup.3 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aralkyl group or an indolylalkyl group; and n is an integer of 1 or 2;is disclosed herein. The novel compound is useful as the agent for improving the impaired brain fuction.
摘要:
Novel 4-aminopyridine derivatives represented by the general formula (I): ##STR1## wherein A and B independently represent ##STR2## and n is an integer of 1 or 2; as well as their pharmaceutically acceptable acid addition salts are disclosed herein. The novel compounds are useful as the agent for improving impaired brain function.
摘要:
There are disclosed a 9-acylamino-tetrahydroacridine derivative represented by the following formula (I): ##STR1## wherein R ##STR2## are as defined in the specification, its optical antipode or pharmaceutically acceptable acid addition salt thereof and a memory enhancing agent containing the same as an active ingredient.
摘要:
A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.
摘要:
A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.
摘要:
Ethanone oximes represented by the following general formula: ##STR1## wherein R.sup.1 represents a cycloalkyl group, aryl group, aralkyl group, aryloxy group, aralkyloxy group, arylthio group or aryl sulfonyl group, those groups being optionally substituted with a substituent selected from an alkyl group having 1 to 3 carbon atoms, an alkoxy group having 1 to 3 carbon atoms and a halogen atom, piperidino group, piperazino group, 4-alkyl substituted piperazino group, imidazolyl group 4-alkyl substituted imidazolyl group or substituted amino group,R.sup.2 represents a hydrogen atom or an alkoxy group having 1 to 3 carbon atoms, andR.sup.3 represents a piperidino group, piperazino group or 4-alkyl substituted piperazino group, orR.sup.1 and R.sup.2 together with a phenyl group to which they are attached may form a phenothiazin-2-yl group, N-acetyl-phenothiazin-2-yl group, thianthren-2-yl group, dibenzothiophen-3-yl group, dibenzofuran-3-yl group or a group of the formula: ##STR2## wherein R.sup.4 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, or a pharmaceutically acceptable acid addition salts thereof are disclosed. They are a potent antiulcer agent.
摘要:
Ethanone oximes represented by the following general formula: ##STR1## wherein R.sup.1 represents a cycloalkyl group, aryl group, aralkyl group, aryloxy group, aralkyloxy group, arylthio group or aryl sulfonyl group, those groups being optionally substituted with a substituent selected from an alkyl group having 1 to 3 carbon atoms, an alkoxy group having 1 to 3 carbon atoms and a halogen atom, piperidino group, piperazino group, 4-alkyl substituted piparazino group, imidazolyl group, 4-alkyl substituted imidazolyl group or substituted amino group,R.sup.2 represents a hydrogen atom or an alkoxy group having 1 to 3 carbon atoms, andR.sup.3 represents a piperidino group, piperazino group or 4-alkyl substituted piperazino group, orR.sup.1 and R.sup.2 together with a phenyl group to which they are attached may form a phenothiazin-2-yl group, N-acetyl-phenothiazin-2-yl group, thianthren-2-yl group, dibenzothiophen-3-yl group, dibenzofuran-3-yl group or a group of the formula: ##STR2## wherein R.sup.4 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, or a pharmaceutically acceptable acid addition salts thereof are disclosed. They are a potent antiulcer agent.
摘要:
This invention relates novel thieno[2,3-d]pyrimidine derivatives represented by the following general formula (I): ##STR1## or salts thereof; wherein R.sup.1 and R.sup.2 independently represent hydrogen, halogen or alkyl group having 1 to 6 carbon atoms; or R.sup.1 and R.sup.2 may concatenate to form a cycloalkylene group having 5 or 6 ring carbon atoms; R.sup.3 and R.sup.4 independently represent hydrogen or alkyl group having 1 to 6 carbon atoms; R.sup.5 represents a member selected from(1) hydrogen or alkyl having 1 to 6 carbon atoms,(2) ##STR2## in which m is an integer of from 1 to 3 and X represents halogen, or (3) ##STR3## in which R.sup.6 represents alkyl group having 1 to 6 carbon atoms; Ar represents substituted or unsubstituted phenyl, or 2- or 3-thienyl group; and n is 2 or 3. The derivatives of the invention can be used in the treatment of the various depression disease or the higher dysfunction of the brain.
摘要:
Disclosed herein are anxiolytic drugs containing as an active ingredient a piperazine derivative represented by the following general formula (I): ##STR1## wherein m represents an integer from 2 to 4,X represents ##STR2## Ar represents a pyridyl group, a pyrimidinyl group, or a phenyl group which may be substituted with halogen atom, trifluoromethyl group, alkoxy group or alkyl group, andR.sub.1, R.sub.2 and R.sub.3 which may be identical or different represent lower alkoxy groups, or R.sub.3 is a hydrogen atom and R.sub.1 when taken together with R.sub.2 forms ##STR3## (n=1, 2 or 3); and its acid addition salt.The anxiolytic drugs disclosed herein have the high binding capacities to 5-HT.sub.1A receptor which is one of the receptors for 5-hydroxytryptamine (5-HT), thereby exerting anxiolytic effects.
摘要:
A novel sulfone compound represented by the general formula (I) ##STR1## wherein R.sup.1 is cyclohexyl, phenyl; or a phenyl substituted with a group selected from nitro, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy and halogen; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are respectively hydrogen, halogen, cyano or carbonyl, wherein R.sup.1 and R.sup.2 may form an o-phenylene or an o-phenylene substituted with at least one group selected from nitro C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy and halogen; X is oxygen or methylene; Y is --(CH.sub.2).sub.n --, wherein n is an integer of 0, 5 or 6, or ##STR2## wherein m is an integer 1-3; R.sup.6 is hydrogen, C.sub.1 -C.sub.3 alkyl, .omega.-alkylaminoalkyl, wherein each alkyl has 1-3 carbon atoms, or .omega.-dialkylaminoalkyl, wherein each alkyl has 1-3 carbon atoms; R.sup.7 is hydrogen or C.sub.1 -C.sub.3 alkyl; and R.sup.6 and R.sup.7 may form a ring together with N, or ##STR3## wherein R.sup.8 is hydrogen, C.sub.1 -C.sub.3 hydroxyalkyl or phenyl; or a pharmaceutically acceptable salt thereof is disclosed. The compound has anti-ulcer effect.