Abstract: Phosphodiesterase (type III) inhibitors having the formula: ##STR1## which are useful in stimulating cardiac activity and in treating congestive heart failure and bronchoconstriction, pharmaceutical compositions including these inhibitors, and methods of using these compounds to produce phosphodiesterase (type III) inhibition in mammals.

Abstract: The invention relates to thiadiazinone derivatives that have utility as cardiac stimulants. A compound of the invention is 7-(1H-imidazol-1-yl)-9,9a-dihydroindeno[1,2-e][1,3,4]-thiadiazin-2(3H)-one .

Abstract: The compound of the formula ##STR1## wherein R.sup.1 is hydrogen, methoxy or trifluormethyl, R.sup.2 and R.sup.3 are the same or different and are each hydrogen or methyl, R.sup.4 is a fluorinated lower alkyl having 2 to 5 carbon atoms and 1 to 11 fluorine atoms and X.sup.- is a pharmaceutically acceptable anion, respectively, possesses both strong antisecretory activity and gastric mucosal protective activity, which is produced by reacting a pyridine derivative of the formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the same meaning as defined above, with an acid.

Abstract: Benzenesulfonamide compounds such as N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl-4 -oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide and N-[(4-methoxy-6-methyl-pyrimidin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl- 4-oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide, agricultural compositions containing them, and their herbicidal utility are disclosed.

Abstract: A phenylpiperazine derivative according to the present invention has the following general formula [I]: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen or alkoxy group having 1 to 3 carbon atoms, orR.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 together with carbon atoms to which they are attached form --O(CH.sub.2).sub.m O-- wherein m is an integer of 1 to 3, oreither R.sup.1 or R.sup.2 is amine residue selected from the group consisting of --NH.sub.2 , --NHSO.sub.2 CH.sub.3, --NHCOCH.sub.3 and --NHCONH.sub.2 and the other is hydrogen or alkoxy group of 1 to 3 carbon atoms and R.sup.3 is hydrogen;R.sup.4 and R.sup.5 are independently hydrogen or alkyl group of 1 to 3 carbon atoms;Y is --CO-- or --SO.sub.2 -- provided that at least one of R.sup.1 and R.sup.2 is not hydrogen when Y is --CO--; andn is an integer of 2 to 4.An acid addition salt of the phenylpiperazine derivative having the general formula [I] is included in the present invention.

Abstract: Benzenesulfonamide compounds such as N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl-4 -oxo-1-phenyl-indeno[1,2-C]-pyrazole-5-sulfonamide and N-[(4-methoxy-6-methyl-pyrimidin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl- 4-oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide, agricultural compositions containing them, and their herbicidal utility are disclosed.

Abstract: Novel compounds of the formula IIIa ##STR1## wherein R.sup.1a, R.sup.2a, R.sup.3a and R.sup.4a are the same or different and are hydrogen, an alkyl, alkoxy optionally completely or predominantly substituted by fluorine or chlorine, halogen, --CN, --CF.sub.3, --NO.sub.2, --COR, --COOR, aryl, aryloxy or arylalkoxy group, or adjacent groups R.sup.1a, R.sup.2a, R.sup.3a and R.sup.4a together with the adjacent carbon atoms in the benzimidazole ring form a 5-, 6- or 7-membered monocyclic ring or a 9-, 10- or 11-membered bicyclic ring, which rings may be saturated or unsaturated and may contain 0-3 heteroatoms selected from N and O and which rings may be optionally substituted with 1-4 substitutents selected from alkyl groups with 1-3 carbon atoms, halogen perferably F or Cl, alkylene radicals containing 4-5 carbon atoms giving spiro compounds, or two or four of these substituents together form one or two oxy groups ##STR2## whereby if R.sup.1a, R.sup.2a, R.sup.3a and R.sup.

Abstract: This invention relates to thiadiazinone derivatives which have inotropic and vasodilator activity. A specific compound of this invention is 7-acetamido-9,9a-dihydroindeno[1,2-e][1,3,4]thiadiazine-2(3H)-one.

Abstract: 1,2,4-Benzothiadiazine oxide derivatives of the general Formula I ##STR1## in which R.sup.1 represents an unsubstituted or substituted aryl radical;R.sup.2 and R.sup.5, which may be the same or different, and represent hydrogen, halogen, or a nitro group, andR.sup.3 represents a hydrogen atom or a hydroxy radical, an alkyl, alkoxy alkyl or alkoxy carbonyl radical with up to four carbon atoms, unsubstituted or substituted by halogen, hydroxy, amino, alkyl amino or dialkyl amino radicals, or a phenyl radical, unsubstituted or substituted by halogen,are described as having anxiolytic effects on the central nervous system.

Abstract: 1-Substituted-3-amino-6,7-dialkoxy-1H-1,2,4-benzothiadiazine-1-oxides, useful as hypotensive agents.