Abstract: Novel phenyl-substituted 1,4-dihydropyridines, prepared by reacting halogenophenyl-aldehydes with &bgr;-ketoesters, if appropriate with isolation of the ylidene compounds and enamines. The substances can be employed as active compounds in medicaments, in particular in cerebrally active compositions.

Abstract: Novel phenyl-substituted 1,4-dihydropyridines, prepared by reacting halogenophenyl-aldehydes with &bgr;-ketoesters, if appropriate with isolation of the ylidene compounds and enamines. The substances can be employed as active compounds in medicaments, in particular in cerebrally active compositions.

Abstract: Novel phenyl-substituted 1,4-dihydropyridines, prepared by reacting halogenophenyl-aldehydes with &bgr;-ketoesters, if appropriate with isolation of the ylidene compounds and enamines. The substances can be employed as active compounds in medicaments, in particular in cerebrally active compositions.

Abstract: The invention relates to the use of 5-substituted pyridine- and hexahydroquinoline-3-carboxylic acid derivatives, some of which are known, for the production of medicaments, in particular for the treatment of cerebral disorders.

Abstract: The present invention relates to the new use of 1,2-bridged 1,4-dihydropyridines which are known in some cases, of the general formula (I) ##STR1## in which R.sup.1 to R.sup.4 and a have the meaning indicated in the description, processes for their preparation and their use as medicaments, as selective potassium channel modulators, in particular for the treatment of the central nervous system.

Abstract: The present invention relates to new 2,3-bridged 1,4-dihydropyridines of the general formula (I), ##STR1## in which R, R.sup.1, R.sup.2, D and E have the meaning given in the description, processes for their preparation and their use as medicaments, preferably for treatment of the central nervous system.

Abstract: 4-Phenyl-3-substituted 1,4-dihydropyridine esters are prepared by reaction of benzaldehydes with ketoesters and enamines, if appropriate with isolation of the ylidene intermediate products, or by esterification of corresponding dihydropyridinecarboxylic acids with alcohols.The new 4-phenyl-3-substituted 1,4-dihydropyridine esters can be employed as active compounds in medicaments for the treatment of the central nervous system, in particular as cerebral therapeutics.

Abstract: 4-Heterocyclyl-substituted dihydropyridines are prepared by reacting appropriate aldehydes with .beta.-keto esters and aminocrotonic acid esters, or by esterifying 4-heterocyclyl-substituted dihydropyridinecarboxylic acids. The 4-heterocyclyl-substituted dihydropyridines can be employed in medicaments, in particular for the treatment of disorders of the central nervous system.

Abstract: The present invention relates to the new use of 1,2-bridged 1,4-dihydropyridines which are known in some cases, of the general formula (I) ##STR1## in which R.sup.1 to R.sup.4 and a have the meaning indicated in the description, processes for their preparation and their use as medicaments, as selective potassium channel modulators, in particular for the treatment of the central nervous system.

Abstract: Diseases characterized by disturbances of the serotoninergic system, psychoses and depression are treated by administration of an aminomethyl-chroman of the formula ##STR1##

Abstract: The present invention relates to the use of 1,4-dihydropyridine-3,5-dicarboxylic acid esters, some of which are known, of the general formula (I) ##STR1## in which A and R.sup.1 -R.sup.3 have the meaning given in the description, as medicaments, in particular for treatment of the central nervous system, and new selected active compounds.

Abstract: The present invention relates to a new highly selective process for the preparation of enantiomerically pure halogeno-phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic esters of the general formula (I) ##STR1## in which R.sup.1 to R.sup.3 have the meanings given in the description.

Abstract: The invention relates to the use of substituted 6-amino-4H-pyrans for the production of medicaments for the treatment of cerebral disorders, in particular of degenerative disorders such as dementia, and also for treatment of depressions and psychoses. New active compounds are prepared by reaction of the corresponding ylidene compounds with malononitrile.

Abstract: The invention relates to the use of N-substituted phenothiazines for the production of medicaments for the treatment of cerebral disorders. The invention likewise relates to novel active compounds which are prepared by reaction of phenothiazine with the appropriate acids, esters or amides or by reaction of the phenothiazinecarbonyl halides with amines. The active compounds are particularly suitable for the treatment of dementias and age-related leaning and memory disorders and depressions.

Abstract: The present invention relates to a new highly selective process for the preparation of enantiomerically pure halogeno-phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic esters of the general formula (I) ##STR1## in which R.sup.1 to R.sup.3 have the meanings given in the description.

Abstract: The substituted 4H-pyrans are prepared by reacting either aldehydes or ylidene compounds with suitably substituted .beta.-diketones. The substituted 4H-pyrans according to the invention are suitable as active compounds in medicaments, in particular for the treatment of disorders of the central nervous system.

Abstract: Dioxo-thiopyrano-pyridine-carboxylic acid derivatives are prepared by reacting appropriate aldehydes with aminocrotonic acid esters and tetrahydrothiopyran-3-one-1,1-dioxide and oxidizing the products thus obtained. The substances according to the invention can be employed as active substances in medicaments. They are selective modulators of the calcium-dependent potassium channels of high conductivity.

Abstract: 4-Phenyl-3-substituted 1,4-dihydropyridine esters are prepared by reaction of benzaldehydes with ketoesters and enamines, if appropriate with isolation of the ylidene intermediate products, or by esterification of corresponding dihydropyridinecarboxylic acids with alcohols.The new 4-phenyl-3-substituted 1,4-dihydropyridine esters can be employed as active compounds in medicaments for the treatment of the central nervous system, in particular as cerebral therapeutics.

Abstract: The invention relates to the use of acyl-substituted aminopyrans for the production of medicaments, in particular of medicaments for the treatment of disorders of the central nervous system.

Abstract: This invention relates to benzolididene compounds of the formula ##STR1## in which R.sup.2 represents the radical ##STR2## in which R.sup.4 and R.sup.5 are identical or different and denote halogen, cyano, ethinyl, trifluoromethoxy, methylthio, nitro, trifluoromethyl or straight-chain or branched alkyl, alkenyl, alkinyl or alkoxy having up to 4 carbon atoms, and one of the substituents optionally represents hydrogen,or a salt thereof.[...]..Iadd., andA represents hydrogen or straight-chain or branched alkyl having up to 8 carbon atoms, or represents phenyl or benzyl which are optionally substituted one to three times by identical or different substituents from the series consisting of hydroxyl, nitro, halogen, cyano, carboxyl, trifluoromethyl, trifluoromethoxy, straight-chain or branched alkoxy having up to 6 carbon atoms or by a group of the formula --NR.sup.6 R.sup.7 or --SO.sub.2 R.sup.8, in whichR.sup.6 and R.sup.