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    • 1. 发明授权
    • Method for producing 3-halo-1,2-benzisothiazoles
    • 3-卤代-1,2-苯并异噻唑的制备方法
    • US08664404B2
    • 2014-03-04
    • US13634450
    • 2011-03-14
    • Shigeki SakaueSachio Iida
    • Shigeki SakaueSachio Iida
    • C07D275/04
    • C07D275/04
    • A method for producing a 3-halo-1,2-benzisothiazole represented by the general formula (2): wherein R1 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 5 carbon atoms, a nitro group or a halogen atom, and X is a halogen atom, the method characterized by reacting a 1,2-benzisothiazol-3-one represented by the general formula (1): wherein R1 is the same group as the R1 defined in the above general formula (2), with a thionyl halide in a polar solvent. The 3-halo-1,2-benzisothiazole obtainable according to the method of the present invention is suitably used as production raw materials and the like for a medicament and the like.
    • 由通式(2)表示的3-卤代-1,2-苯并异噻唑的制造方法:其中,R1是氢原子,碳原子数1〜4的烷基,碳原子数1〜4的烷氧基, 具有2至5个碳原子的烷氧基羰基,硝基或卤素原子,X是卤素原子,其特征在于使由通式(1)表示的1,2-苯并异噻唑-3-酮:其中 R1与上述通式(2)中定义的R 1相同,在极性溶剂中与亚硫酰卤反应。 根据本发明方法获得的3-卤代-1,2-苯并异噻唑适合用作药物等的生产原料等。
    • 4. 发明申请
    • METHOD FOR PRODUCING 3-HALO-1,2-BENZISOTHIAZOLES
    • 3-HALO-1,2-BENZISOTHIAZOLES的生产方法
    • US20130005983A1
    • 2013-01-03
    • US13634450
    • 2011-03-14
    • Shigeki SakaueSachio Iida
    • Shigeki SakaueSachio Iida
    • C07D275/04
    • C07D275/04
    • A method for producing a 3-halo-1,2-benzisothiazole represented by the general formula (2): wherein R1 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 5 carbon atoms, a nitro group or a halogen atom, and X is a halogen atom, the method characterized by reacting a 1,2-benzisothiazol-3-one represented by the general formula (1): wherein R1 is the same group as the R1 defined in the above general formula (2), with a thionyl halide in a polar solvent. The 3-halo-1,2-benzisothiazole obtainable according to the method of the present invention is suitably used as production raw materials and the like for a medicament and the like.
    • 由通式(2)表示的3-卤代-1,2-苯并异噻唑的制造方法:其中,R1是氢原子,碳原子数1〜4的烷基,碳原子数1〜4的烷氧基, 具有2至5个碳原子的烷氧基羰基,硝基或卤素原子,X是卤素原子,其特征在于使由通式(1)表示的1,2-苯并异噻唑-3-酮:其中 R1与上述通式(2)中定义的R 1相同,在极性溶剂中与亚硫酰卤反应。 根据本发明方法获得的3-卤代-1,2-苯并异噻唑适合用作药物等的生产原料等。
    • 8. 发明授权
    • Processes for producing isothiazole derivatives
    • 异噻唑衍生物的制备方法
    • US5856504A
    • 1999-01-05
    • US836697
    • 1997-05-19
    • Hirokazu KaganoHiroshi GodaMikio YamamotoShigeki SakaueMiki Toudou
    • Hirokazu KaganoHiroshi GodaMikio YamamotoShigeki SakaueMiki Toudou
    • C07D275/04
    • C07D275/04
    • A method for producing a 1,2-benzisothiazole characterized by treating a 2-(alkylthio)benzaldehyde oxime with a halogen compound; a method for producing a 3-halo-1,2-benzisothiazole characterized by treating a 1,2-benzisothiazole with a halogenating agent; and a method for producing a 1-(1,2-benzisothiazol-3-yl)piperazine characterized by reacting the obtained 3-halo-1,2-benzisothiazoles with a piperazine. By the method of the present invention, 1,2-benzisothiazoles and 3-halo-1,2-benzisothiazoles, which are useful as intermediates for pharmaceutical compositions such as psychotropic agents, and 1-(1,2-benzisothiazole-3-yl)piperazines synthesized therefrom can be obtained in a high yield without using expensive starting materials by shorter and simpler process than conventional methods.
    • PCT No.PCT / JP95 / 02484第 371日期1997年5月19日 102(e)日期1997年5月19日PCT提交1995年12月4日PCT公布。 第WO96 / 17834号公报 日期1996年6月13日制备1,2-苯并异噻唑的方法,其特征在于用卤素化合物处理2-(烷硫基)苯甲醛肟; 其特征在于用卤化剂处理1,2-苯并异噻唑的3-卤代-1,2-苯并异噻唑的制备方法。 以及1-(1,2-苯并异噻唑-3-基)哌嗪的制造方法,其特征在于使得到的3-卤代-1,2-苯并异噻唑与哌嗪反应。 通过本发明的方法,1,2-苯并异噻唑和3-卤代-1,2-苯并异噻唑可用作药物组合物如精神药物的中间体和1-(1,2-苯并异噻唑-3-基 )哌嗪可以通过比常规方法更短和更简单的方法以高产率获得而不使用昂贵的起始原料。