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    • 4. 发明授权
    • Process for producing 1,2,4-triazolin-5-one derivatives, and
intermediates therefor
    • 制备1,2,4-三唑啉-5-酮衍生物的方法及其中间体
    • US4845232A
    • 1989-07-04
    • US923935
    • 1986-10-24
    • Hisanori MatsuiKeiji SutohMoriharu YamamotoKazuhiro TakagiKunihiro YabutaniKuniaki TaninakaMitsuru Kajioka
    • Hisanori MatsuiKeiji SutohMoriharu YamamotoKazuhiro TakagiKunihiro YabutaniKuniaki TaninakaMitsuru Kajioka
    • C07D249/12
    • C07D249/12
    • A process for producing 1,2,4-triazolin-5-one derivatives represented by the general formula (I) ##STR1## wherein R is a haloalkyl group of 1 to 5 carbon atoms and R.sup.1 is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an alkyl group of 1 to 6 carbon atoms having halogen atom substituents, a cycloalkyl group of 3 to 6 carbon atoms, a cycloalkyl group of 3 to 6 carbon atoms having halogen atom substituents, a cyanoalkyl group of 2 to 4 carbon atoms, an alkenyl group of w to 6 carbon atoms, an alkynyl group of 2 to 6 carbon atoms, a lower alkoxyalkyl group of 2 to 6 carbon atoms, a lower alkylthioalkyl group of 2 to 8 carbon atoms, a lower alkylsufinylalkyl group of 2 to 6 carbon atoms, a lower alkylsufonylalkyl group of 2 to 6 carbon atoms, a lower alkoxyalkoxyalkyl group of 3 to 8 carbon atoms, a hydroxycarbonylalkyl group of 2 to 3 carbon atoms, a lower alkoxycarbonylalkyl group of 3 to 6 carbon atoms, a benzylgroup, a benzyl group having 1 to 2 substituents (selected from a halogen atom, a lower alkyl group of 1 to 3 carbon atoms, a lower alkoxy group of 1 to 3 carbon atoms, a nitro group, a lower alkoxycarbonyl group of 2 to 4 carbon atoms, a hydroxycarbonyl group and a phenoxy group), an alpha-methylbenzyl group or a phenethyl group.
    • 一种由通式(I)表示的1,2,4-三唑啉-5-酮衍生物的方法,其中R是1至5个碳原子的卤代烷基,R 1是氢原子, 具有1至6个碳原子的烷基,具有卤素原子取代基的1至6个碳原子的烷基,3至6个碳原子的环烷基,具有卤素原子取代基的3至6个碳原子的环烷基,氰基烷基 2至4个碳原子的链烯基,2至6个碳原子的炔基,2至6个碳原子的低级烷氧基烷基,2至8个碳原子的低级烷硫基烷基, 2至6个碳原子的低级烷基磺酰基烷基,2至6个碳原子的低级烷基磺酰基烷基,3至8个碳原子的低级烷氧基烷氧基烷基,2至3个碳原子的羟基羰基烷基,3至6个低级烷氧基羰基烷基 碳原子,苄基,具有1〜2个取代基的苄基(选自a 卤素原子,1〜3个碳原子的低级烷基,1〜3个碳原子的低级烷氧基,硝基,2〜4个碳原子的低级烷氧基羰基,羟基羰基和苯氧基), α-甲基苄基或苯乙基。