Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-08-10
1992-06-30
Shah, Mukund J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514258, 544117, 544281, A61K 31535, A61K 31495, C07D48704
Patent
active
051263408
ABSTRACT:
Novel compounds of the formula ##STR1## wherein n is an integer from 1 to 4 inclusive; R.sub.1 represents a mono- or disubstituent of hydrogen, lower alkyl(C.sub.1 -C.sub.3), lower alkoxy (C.sub.1 -C.sub.3), halogen, nitro or trifluoromethyl; R.sub.2 is cyano, carboxamido, ethyl carboxylate or halogen; R.sub.3 is hydrogen, straight or branched chain lower alkyl (C.sub.1 -C.sub.3), alkenyl (C.sub.2 -C.sub.3), alkynyl(C.sub.2 -C.sub.3), cycloalkyl(C.sub.3 -C.sub.6), hydroxyalkyl(C.sub.1 -C.sub.3), dimethylaminoalkyl(C.sub.1 -C.sub.3), ethylcarboxylate, alkyl(C.sub.1 -C.sub.13)carbonyl, 1-(methylethyl)acetamide, cyclohexylethyl, phenyl, mono- or disubstituted phenyl (wherein the phenyl substituent is halogen, trifluoromethyl, lower alkyl(C.sub.1 -C.sub.3) or lower alkoxy (C.sub.1 -C.sub.3)), benzyl, mono- or disubstituted benzyl (wherein the benzyl substituent is halogen, lower alkyl(C.sub.1 -C.sub.3), lower alkoxy(C.sub.1 -C.sub.3) or trifluoromethyl), benzoyl, 4-methoxybenzoyl, straight or branched chain alkyl(C.sub.2 -C.sub.3)phenyl, 4-chlorophenylphenylmethyl, 1,3-benzodioxol-5-ylmethyl, 1,3-benzodioxol-5-yl, 2-furanylcarbonyl, 2-pyrimidinyl, 2-pyridinyl, 4-morpholinyl-2-oxoethyl, 1-pyrrolidinyl-2-oxoethyl, bis(4-fluorophenyl)methyl, phenylcarboxamido, mono- and disubstituted phenylcarboximido (wherein the phenyl substituents is halogen, trifluoromethyl or lower alkyl (C.sub.1 -C.sub.3)), adamantanoyl, 3-phenoxypropyl, 5-chloro-2-methoxyphenylacetamide, (2-oxo-1-pyrrolidinyl)-2-butynyl, phenylmethylcarboxylate, or (2-phenyl-2H-1,2,3-triazol-4-yl)methyl; R.sub.4 and R.sub.5 are independently hydrogen or lower alkyl(C.sub.1 -C.sub.3); the dotted line between positions 6 and 7 of the pyrimidine ring represents the presence or absence of a double bond; and the pharmacologically acceptable salts thereof; methods of producing them; therapeutic compositions containing them; and methods of using them to treat anxiety, hypertension, depression, senile dementia, cognitive defects and other neural behavior problems in warm-blooded animals.
REFERENCES:
patent: 4448962 (1984-05-01), Irikura et al.
patent: 4963553 (1990-10-01), Tseng et al.
Brabander Herbert J.
Epstein Joseph W.
Tseng Shin S.
American Cyanamid Company
Bernhardt F.
Jackson H. G.
Shah Mukund J.
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