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    • 2. 发明授权
    • Process for preparing 1,2,4-triazole derivatives
    • 制备1,2,4-三唑衍生物的方法
    • US4123437A
    • 1978-10-31
    • US773026
    • 1977-02-28
    • Beat BohnerDag DawesWilly Meyer
    • Beat BohnerDag DawesWilly Meyer
    • C07D249/12C07F9/6518C07F9/65
    • C07F9/65183C07D249/12
    • 1,2,4-TRIAZOLE DERIVATIVES WHICH HAVE PARTICULAR IMPORTANCE AS INTERMEDIATES FOR, E.G., THE PREPARATION OF ACTIVE SUBSTANCES FOR PEST CONTROL, CORRESPONDING TO THE FORMULA ##STR1## wherein R.sup.1 represents an unsubstituted or substituted alkyl, alkenyl, or alkynyl, naphthyl, benzyl, phenylethyl, ##STR2## or phenylpropyl radical, or a mono or polycyclic cycloalkyl radical which can be bound by way of an alkylene bridge member, or a substituted phenyl radical,And new processes for the preparation of compounds of the formula ##STR3## wherein R represents hydrogen, an optionally substituted alkyl, alkenyl or alkynyl radical, an optionally substituted phenyl, naphthyl, benzyl, phenylethyl or phenylpropyl radical, a mono- or polycyclic cycloalkyl radical which can be bound by way of an alkylene bridge member and/or be substituted by alkyl, or a partially hydrogenated naphthyl radical, which processes are performed by addition to a hydrazine of the formulaR -- NH--NH.sub.2or to a hydrazone of the formula ##STR4## wherein R has the above given meaning, R.sub.1 represents hydrogen or lower alkyl and R.sub.2 represents lower alkyl, of an alkoxy-carbonyl-isothiocyanate of the formulaalkyl--O--CO--NCSand subsequent closure of the triazole ring in the resulting thiosemicarbazide of the formula ##STR5## by the splitting-off of an alkanol (alkyl--OH), are disclosed.
    • 具有特异性重要性的1,2,4-三唑衍生物作为EG的中间体,用于制备用于病虫害控制的活性物质,对应于本发明的化合物,其中R 1表示未取代或取代的烷基,烯基或炔基,萘基, 苄基,苯基乙基,苯丙基或可以通过亚烷基桥基或取代的苯基结合的单环或多环环烷基,以及用于制备化合物的新方法 其中R表示氢,任选取代的烷基,烯基或炔基,任选取代的苯基,萘基,苄基,苯基乙基或苯基丙基,可以通过亚烷基桥连接体和/或 被烷基或部分氢化的萘基取代,该方法通过加入式R-NH-NH 2的肼或加成式的腙进行 其中R具有上述给定含义,R 1表示氢或低级烷基,R 2表示低级烷基,式ALKYL-O-CO-NCS的烷氧羰基 - 异硫氰酸酯,随后在三 公开了通过分解链烷醇(烷基-OH)得到的式“IMAGE”的氨基硫脲。