会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 82. 发明授权
    • 생리활성을 가진 피리미딘 유도체 및 그 제조방법
    • 具有生理活性的吡啶并及其制备方法
    • KR1019900002060B1
    • 1990-03-31
    • KR1019870011154
    • 1987-10-06
    • 한국화학연구원
    • 황기준박승기공영대조광연
    • C07D239/32
    • 1=aryl sulfone, arylthio, alkylsulfone, alkylthio, alkyl carbonyl, dialkylphosphono; R2= amino, dialkylamino, lower alkyl, phenyl; R3=lower alkyl; R4= alkoxy, halogen-, nitro- substd. phenoxy, thiophenoxy, lower alkylthio; X=O,S) to prevent rice insect and acarid are prepd. Thus 10g (0.037 mol) 1-methoxycarbonyl-1-phenylsulfonyl-2-(N,Ndimethyl amino) ethene, 6.06g (0.022 mol) N,N-dimethyl guanidine sulfate and 3.52g (0.088 mol) NaOH in the mixed solvent of 60ml EtOH and 15ml H2O are stirred for 8 hr followed by removing solvent and recrystallizing with EtOH to give 7.8g I (R1=II; R2=N (CH3)2).
    • 1 =芳基砜,芳硫基,烷基砜,烷硫基,烷基羰基,二烷基膦酰基; R2 =氨基,二烷基氨基,低级烷基,苯基; R3 =低级烷基; R4 =烷氧基,卤素,硝基。 苯氧基,硫代苯氧基,低级烷硫基; X = O,S),以防止水稻昆虫和螨虫食用。 将10g(0.037mol)1-甲氧基羰基-1-苯基磺酰基-2-(N,N-二甲基氨基)乙烯,6.06g(0.022mol)N,N-二甲基硫酸胍和3.52g(0.088mol)NaOH在 将60ml EtOH和15ml H 2 O搅拌8小时,然后除去溶剂并用EtOH重结晶,得到7.8g I(R 1 = II; R 2 = N(CH 3)2)。
    • 83. 发明授权
    • 생리활성을 가진 피라졸 유도체 및 그 제조방법
    • 具有生理活性的吡唑衍生物及其制备方法
    • KR1019900002055B1
    • 1990-03-31
    • KR1019870011155
    • 1987-10-06
    • 한국화학연구원
    • 황기준박승기공영대안용준
    • C07D231/18
    • R1=arylsulfon, arylsulfide, alkylsulfon, alkylsulfide alkoxycarbonyl, dialkylphosphono; R2=H, lower alkyl, halogen-, nitro-, lower alkyl-substd. phenyl; R3= lower alkyl; R4=alkoxy, halogen-, nitro-substd. phenoxy, thiophenoxy, lower alkylthio; X=O,S) are prepd. Thus 1g (3.7m mol) 1methoxycarbonyl-1- phenylsulfonyl-2-(N,N-dimethyl amino) ethene in ethanol is cooled. 0.224ml (4.4 m mol) methylhydrizine is dropadded to the mixt. The reaction product is stirred for 9 hr followed by removing solvent to give I (R1=II, R2=H).
    • R1 =芳基砜,芳基硫醚,烷基磺酰基,烷基硫烷氧基羰基,二烷基膦酰基; R2 = H,低级烷基,卤素,硝基,低级烷基。 苯基; R3 =低级烷基; R4 =烷氧基,卤素 - ,硝基。 苯氧基,硫代苯氧基,低级烷硫基; X = O,S)。 因此,将1g(3.7m mol)乙醇中的1-甲氧基羰基-1-苯基磺酰基-2-(N,N-二甲基氨基)乙烯冷却。 将0.224ml(4.4m mol)甲基氢氯化物滴加到混合物中。 将反应产物搅拌9小时,然后除去溶剂,得到I(R 1 = II,R 2 = H)。