Abstract: A novel compound useful as an intermediate for synthesizing pesticides and medicine of the formula: ##STR1## in which: R is perfluoroalkyl, R.sup.1 is hydrogen, alkyl or optionally substituted phenyl, or a salt thereof.

Abstract: A novel herbicidal compound of the formula: ##STR1## in which R is OH, C.sub.1 -C.sub.3 alkoxy or R.sup.3 -N-R.sup.4 ; R.sub.f is C.sub.1 -C.sub.3 perfluoroalkyl; R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl or optionally substituted phenyl; R.sup.2 is hydrogen or C.sub.1 -C.sub.3 alkyl; n is an integer of 0 to 2; R.sup.3 is hydrogen or C.sub.1 -C.sub.3 alkyl; R.sup.4 is C.sub.1 -C.sub.6 alkyl, optionally substituted phenylalkyl where alkyl contains 1 to 3 carbons or optionally substituted phenyl; or R.sup.3 and R.sup.4 together with the nitrogen atom to which they are attached form a cyclic amino group; or a salt thereof. A process for preparing the compound (I) and a herbicide containing the compound (I) are also disclosed.

Abstract: A novel compound useful as an intermediate for synthesizing pesticides and medicines of the formula: ##STR1## in which: R is alkyl having plural florines; R.sup.1 is hydrogen, alkyl, halogen or optionally substituted phenyl; and R.sup.2 is hydrogen or alkyl, or a salt thereof.

Abstract: Herbicidal compounds represented by the formula: ##STR1## wherein R is t-butyl; R.sup.1 is hydrogen or methyl; R.sup.2 is alkyl (C.sub.2 to C.sub.6), alkenyl (C.sub.3 to C.sub.4) or cyclopropyl; and X is hydrogen or halogen; and herbicidal compositions containing them.

Abstract: 3-Amino-5-t-butylisoxazole is prepared by reacting pivaloylacetonitrile with hydroxylamine in aqueous medium under basic conditions and treating the reaction products with an acid. The process is economical and industrial.

Abstract: 3-Isoxazolylurea derivatives of the formula: ##STR1## (wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl, or C.sub.6 -C.sub.8 aryl; R.sup.1 represents hydrogen or C.sub.1 -C.sub.6 alkyl; R.sup.2 represents C.sub.1 -C.sub.6 alkyl, C.sub.6 -C.sub.8 aralkyl, or C.sub.6 -C.sub.8 aryl; or ##STR2## represents pyrrolidino, piperidino, morpholino, or 4-alkylpiperazino; X represents hydrogen or halogen; or R and X may optionally form C.sub.3 -C.sub.5 alkylene), are prepared by reacting a carboxamide of the formula: ##STR3## (wherein R and X each is as defined above) with an amine of the formula:R.sup.1 --NH--R.sup.2(wherein R.sup.1 and R.sup.2 each is as defined above) in the presence of an alkaline hypohalite and an alkaline hydroxide in an inert solvent medium.

Abstract: Cyanopinacolone is produced by reacting pinacolone with about 1.0 to about 1.2 molar equivalents of chlorine in methanol and further reacting the resulting monochloropinacolone with about 1.0 to about 1.2 molar equivalents of an alkali metal cyanide in methanol.

Abstract: Isoxazole derivatives represented by the formula: ##STR1## wherein R represents hydrogen, alkyl group, or aryl group, R.sup.1 represents hydrogen, or alkyl group, R.sup.2 represents acyl group, a ##STR2## group [R.sup.3 and R.sup.4 each represent hydrogen, alkyl group, alkenyl group, alkynyl group, aralkyl group, aryl group, alkoxy group, or alkylthio group; or optionally R.sup.3 and R.sup.4 are combined with each other directly or indirectly including another hetero atom (nitrogen, oxygen, or sulfur) to form a nitrogen-containing ring], or a--CO--Y--R.sup.5group [R.sup.

Abstract: Isoxazole derivatives represented by the formula: ##STR1## wherein R represents hydrogen, alkyl group, or aryl group, R.sup.1 represents hydrogen, or alkyl group, R.sup.2 represents acyl group, a ##STR2## group [R.sup.3 and R.sup.4 each represent hydrogen, alkyl group, alkenyl group, alkynyl group, aralkyl group, aryl group, alkoxy group, or alkylthio group; or optionally R.sup.3 and R.sup.4 are combined with each other directly or indirectly including another hetero atom (nitrogen, oxygen, or sulfur) to form a nitrogen-containing ring], or a --CO--Y--R.sup.5 group[R.sup.

Abstract: Isoxazole derivatives represented by the formula: ##STR1## wherein R represents hydrogen, alkyl group, or aryl group, R.sup.1 represents hydrogen, or alkyl group, R.sup.2 represents acyl group, a ##STR2## group [R.sup.3 and R.sup.4 each represent hydrogen, alkyl group, alkenyl group, alkynyl group, aralkyl group, aryl group, alkoxy group, or alkylthio group; or optionally R.sup.3 and R.sup.4 are combined with each other directly or indirectly including another hetero atom (nitrogen, oxygen, or sulfur) to form a nitrogen-containing ring], or a --CO--Y--R.sup.5 group [R.sup.

Abstract: 3-ALKYLISOXAZOLE DERIVATIVES REPRESENTED BY THE FORMULA: ##STR1## wherein R represents C.sub.3 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, R.sup.1 represents hydrogen or C.sub.1 -C.sub.6 alkyl, R.sup.2 represents ##STR2## [in which R.sup.3 and R.sup.4 each represent hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.7 alkenyl, C.sub.1 -C.sub.6 alkoxy, C.sub.2 -C.sub.7 alkoxycarbonyl or C.sub.1 -C.sub.6 alkylthio, or ##STR3## represents morpholino, pyrrolidino or piperidino, and Y represents oxygen or sulfur] or --CO--Y--R.sup.5 [in which R.sup.5 represents C.sub.1 -C.sub.6 alkyl and Y is as defined above] and X represents hydrogen, halogen or C.sub.1 -C.sub.6 alkyl, or R and X are combined to form C.sub.3 -C.sub.6 alkylene, being useful as herbicides, are prepared by several routes.

Abstract: Isoxazole derivatives represented by the formula: ##STR1## are prepared; wherein R.sup.1 and R.sup.2 each is hydrogen atom, alkyl group of 1 to 8 carbon atoms, or cycloalkyl group of 3 to 10 carbon atoms; R.sup.3 and R.sup.4 each is hydrogen atom, alkyl group of 1 to 8 carbon atoms, cycloalkyl group of 3 to 10 carbon atoms, or phenyl group; or the groupIs morpholino group; and Y is oxo group, thioxo group or imino group; being useful as a hypoglycemic and/or a blood free-fatty-acid normalizing antidiabetic agent.