劳森试剂 、 3H-吡唑-3-酮,5-(4-氯苯基)-2,4-二氢-2-丙基- 在
silica gel 、 ethyl acetate n-hexane 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以to give 1.0 g of the object compound as a yellow oil (yield 94%)的产率得到3-(4-chlorophenyl)-1-propyl-4, 5-dihydropyrazole-5-thione
参考文献:
名称:
4, 5-dihydropyrazole-5-thione derivatives and miticides comprising the
4,5-DIHYDROPYRAZOLE-5-THIONE DERIVATIVES AND ACARICIDE CONTAINING THE SAME
申请人:OTSUKA KAGAKU KABUSHIKI KAISHA
公开号:EP0751130A1
公开(公告)日:1997-01-02
The object of the present invention is to provide a novel 4, 5-dihydropyrazole-5-thione derivative which exerts remarkably potent miticidal activity. The 4, 5-dihydropyrazole-5-thione derivative of the present invention is represented by the general formula
wherein R1 represents a straight- or branched-chain alkyl group having 1 to 12 carbon atoms or the like; R2 and R3 represent a lower alkyl group or the like; X represents a halogen atom or the like, n is 0 or an integer of 1 to 3; and A represents (̵C or (̵N.
4, 5-dihydropyrazole-5-thione derivatives and miticides comprising the
申请人:Otsuka Kagaku Kabushiki Kaisha
公开号:US05639776A1
公开(公告)日:1997-06-17
The object of the present invention is to provide a novel 4, 5-dihydropyrazole-5-thione derivative which exerts remarkably potent miticidal activity. The 4, 5-dihydropyrazole-5-thione derivative of the present invention is represented by the general formula ##STR1## wherein R.sup.1 represents a straight- or branched-chain alkyl group having 1 to 12 carbon atoms or the like; R.sup.2 and R.sup.3 represent a lower alkyl group or the like; X represents a halogen atom or the like, n is 0 or an integer of 1 to 3; and A represents .paren open-st.C.paren close-st. or .paren open-st.N.paren close-st..