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    • 3. 发明授权
    • Process for the preparation of alkoxytriazolinones
    • 制备烷氧基三唑啉酮的方法
    • US5599945A
    • 1997-02-04
    • US528583
    • 1995-09-15
    • Heinz-J urgen WroblowskyKlaus K onig
    • Heinz-J urgen WroblowskyKlaus K onig
    • C07C281/04C07C281/16C07D249/12
    • C07D249/12C07C281/04
    • Alkoxytriazolinones of the formula (I), ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl,(which can be used as intermediates for the preparation of herbicidal active compounds) are obtained in good yields and in high purity by reacting iminocarbonic diesters (II) with carbazinic esters (III) ##STR2## in which R.sup.2 and R.sup.3 in each case represent, for example, alkyl or aryl, at -20.degree. C. to +120.degree. C. (1st step) and subjecting the semicarbazide derivatives (IV) formed in this process with elimination of R.sup.2 --OH ##STR3## to a cyclizing condensation reaction in the presence of a base at 20.degree. C. to 150.degree. C. with elimination of R.sup.3 --OH, if appropriate (2nd step) and, finally, by reacting the resulting 5-alkoxytriazolinones of the formula (V) with an alkylating agent of the formula R.sup.1 --X (VI) at 0.degree. C. to 150.degree. C., if appropriate in the presence of a base (3rd step: highly selective 4-alkylation).
    • 式(I)的烷氧基​​三唑啉酮,其中R 1和R 2彼此独立地表示,各自为任选取代的烷基,烯基,炔基,环烷基,环烷基烷基,芳基或芳基烷基(可用作中间体 用于制备除草活性化合物)以良好的产率和高纯度通过使亚氨基碳酸二酯(II)与咔嗪酯(III)反应获得,其中R 2和R 3在每种情况下表示例如烷基或芳基, 在-20℃至+ 120℃(第一步),并且在20℃下,在碱的存在下,将该方法中形成的氨基脲衍生物(Ⅳ)与R2-OH的反应进行环化缩合反应 如果合适(第二步),最后通过使得到的式(Ⅴ)所得的5-烷氧基三唑啉酮与式R 1 -X(Ⅵ)的烷基化剂反应, )在0℃至150℃下,如果合适,在碱的存在下(第3步) :高选择性4-烷基化)。
    • 4. 发明授权
    • Process for the preparation of alkoxytriazolinones
    • 制备烷氧基三唑啉酮的方法
    • US5606070A
    • 1997-02-25
    • US528585
    • 1995-09-15
    • Heinz-J urgen WroblowskyKlaus K onigJoachim KluthKlaus-Helmut M uller
    • Heinz-J urgen WroblowskyKlaus K onigJoachim KluthKlaus-Helmut M uller
    • C07D249/12
    • C07D249/12
    • Alkoxytriazolinones of the general formula (I), ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl,(which can be used as intermediates for the preparation of herbicidal active compounds) are obtained in very good yields and in high purity by reacting iminothiocarbonic diester (II) with carbazinic esters (III) ##STR2## in which R.sup.3 and R.sup.4 in each case represent, for example, alkyl or aryl, at -20.degree. C. to +50.degree. C. (1st step) and subjecting the semicarbazide derivatives (IV) formed in this process with elimination of R.sup.3 -SH ##STR3## to a cyclizing condensation reaction and if appropriate in the presence of a base at 20.degree. C. to 100.degree. C. with elimination of R.sup.4 --OH, if appropriate after intermediate isolation (2nd step).
    • 通式(I)的烷氧基​​三唑啉酮,其中R 1和R 2彼此独立地表示在各种情况下为任选取代的烷基,烯基,炔基,环烷基,环烷基烷基,芳基或芳烷基(其可以用作 用于制备除草活性化合物的中间体)以非常好的产率和高纯度通过亚氨基碳二酸酯(II)与咔嗪酸酯(III)反应获得,其中R 3和R 4在每种情况下代表例如烷基或 芳基,在-20℃至+ 50℃(第一步),并将在该过程中形成的氨基脲衍生物(IV)与R3-SH的消除进行环化缩合反应,并且如果在适当的情况下存在 的碱在20℃至100℃,如果适当,在中间分离(第二步)后消除R4-OH。
    • 7. 发明授权
    • Process for the preparation of alkoxytriazolinones
    • 制备烷氧基三唑啉酮的方法
    • US5594148A
    • 1997-01-14
    • US529185
    • 1995-09-15
    • Heinz-J urgen WroblowskyKlaus K onig
    • Heinz-J urgen WroblowskyKlaus K onig
    • C07C281/06C07D249/12
    • C07D249/12C07C281/06
    • Alkoxytriazolinones of the general formula (I), ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl,(which can be used as intermediates for the preparation of herbicidal active compounds) are obtained in very good yields and in high purity by reacting iminocarbonic diesters (II) with carbazinic esters (III) ##STR2## in which R.sup.3 and R.sup.4 in each case represent, for example, alkyl or aryl,at -20.degree. C. to +120.degree. C. (1st step) and subjecting the semicarbazide derivatives (IV) formed in this process with elimination of R.sup.3 -OH ##STR3## to a cyclizing condensation reaction in the presence of a base at +20.degree. C. to 100.degree. C. with elimination of R.sup.4 -OH, if appropriate after intermediate isolation (2nd step).
    • 通式(I)的烷氧基​​三唑啉酮,其中R 1和R 2彼此独立地表示在各种情况下为任选取代的烷基,烯基,炔基,环烷基,环烷基烷基,芳基或芳烷基(其可以用作 用于制备除草活性化合物的中间体)以非常好的产率和高纯度通过使亚氨基二碳酸二酯(II)与咔嗪酸酯(III)反应获得,其中R 3和R 4在每种情况下表示例如烷基或 芳基,在-20℃至+ 120℃(第一步),并在碱的存在下将在该方法中形成的氨基脲衍生物(IV)与R3-OH的消除进行环化缩合反应 在+20℃至100℃下,如果适当,在中间分离(第二步)后消除R4-OH。