Herbicidal substituted triazolinones
    62.
    发明授权
    Herbicidal substituted triazolinones 失效
    除草取代的三唑啉酮

    公开(公告)号:US5326877A

    公开(公告)日:1994-07-05

    申请号:US962442

    申请日:1992-10-16

    摘要: Herbicidally active substituted triazolinones of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, or represents tetrahydrofuranyl, tetrahydrofuranylalkyl, or represents in each case optionally substituted aralkyl or aryl,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, alkoxycarbonylalkyl, alkoxycarbonylalkenyl, alkylaminoalkyl, dialkylaminoalkyl, or represents in each case optionally substituted cycloalkyl, cycloalkylalkyl, cycloalkenyl or cycloalkenylalkyl, or represents optionally substituted heterocyclylalkyl, or represents in each case optionally substituted aralkyl, aroyl, aryl, aralkyloxy or aryloxy, or represents alkoxy, alkenyloxy or alkinyloxy,X represents oxygen or sulphur andY represents oxygen or sulphur.New intermediates therefor are also shown.

    摘要翻译: 式(I)的除草活性取代的三唑啉酮,其中R 1表示氢,烷基,烯基,炔基,卤代烷基,卤代烯基,卤代烯基,烷氧基烷基,环烷基,环烷基烷基,或代表四氢呋喃基,四氢呋喃基烷基,或表示在各种情况下任选取代 芳烷基或芳基,R 2表示氢,烷基,烯基,炔基,卤代烷基,卤代烯基,卤代烷基,氰基烷基,羟基烷基,烷氧基烷基,烷氧基羰基烷基,烷氧基羰基烯基,烷基氨基烷基,二烷基氨基烷基,或在每种情况下表示任选取代的环烷基,环烷基烷基,环烯基或环烯基烷基,或 或者表示任意取代的芳烷基,芳酰基,芳基,芳烷氧基或芳氧基,或表示烷氧基,烯氧基或烷氧基,X表示氧或硫,Y表示氧或硫。 还显示了其新的中间体。

    Preparation of 4-amino-1,2,4-triazol-5-ones
    65.
    发明授权
    Preparation of 4-amino-1,2,4-triazol-5-ones 失效
    制备4-氨基-1,2,4-三唑-5-酮

    公开(公告)号:US5153326A

    公开(公告)日:1992-10-06

    申请号:US690028

    申请日:1991-04-23

    IPC分类号: C07D249/12

    CPC分类号: C07D249/12

    摘要: A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (III)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.

    摘要翻译: 制备式(I)的4-氨基-1,2,4-三唑-5-酮的方法,其中R表示未取代或取代的烷基,烯基,环烯基,环烷基,芳烷基,芳基或杂环基 ,其包括使式(II)的碳二酰肼与式RC 3BOND N(III)的腈反应。式(II)的碳二酰肼可以通过使碳酸衍生物与肼反应而在预备阶段中制备 或水合肼。

    Rapidly crystallizing polyurethane systems
    66.
    发明授权
    Rapidly crystallizing polyurethane systems 失效
    快速结晶聚氨酯系统

    公开(公告)号:US5115073A

    公开(公告)日:1992-05-19

    申请号:US580717

    申请日:1990-09-11

    摘要: The present invention is directed to a polyurethane system containing isocyanate groups prepared by reactingA) 70 to 98 parts by weight of at least one polyester diol having a melting point of 30.degree. C. to 60.degree. C. and a molecular weight of 800 to 8,000,B) 2 to 30 parts by weight of at least one polyester diol having a melting point of 65.degree. C. to 150.degree. C. and a molecular weight of 600 to 8,000, andC) no more than 1 mole of a diol having a molecular weight of less than 600 per moles of A) plus B), with,D) at least one organic polyisocyanate, the ratio of isocyanate groups to hydroxyl groups is between 3:1 and 1.2:1.

    摘要翻译: 本发明涉及含有异氰酸酯基团的聚氨酯体系,其通过使A)70〜98重量份的至少一种熔点为30℃〜60℃,分子量为800〜 8,000,B)2〜30重量份的至少一种聚酯二醇,其熔点为65℃至150℃,分子量为600至8,000,C)不超过1摩尔的二醇 具有小于600摩尔A)+ B)的分子量,D)至少一种有机多异氰酸酯,异氰酸酯基与羟基的比例在3:1至1.2:1之间。

    Preparation of 4-amino-1,2,4-triazol-5-ones
    68.
    发明授权
    Preparation of 4-amino-1,2,4-triazol-5-ones 失效
    制备4-氨基-1,2,4-三唑-5-酮

    公开(公告)号:US5034538A

    公开(公告)日:1991-07-23

    申请号:US534402

    申请日:1990-06-06

    CPC分类号: C07D249/12

    摘要: A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which p0 R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (II)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.

    摘要翻译: 制备式(Ⅰ)的4-氨基-1,2,4-三唑-5-酮的方法,其中pO R表示未取代或取代的烷基,烯基,环烯基,环烷基,芳烷基,芳基或 杂环基,其包括使式II(II)的碳二酰肼与式RC 3BOND N(II)的腈反应。式(II)的碳二酰肼可以在预备阶段通过使碳酸衍生物与 肼或水合肼。

    Preparation of 4-amino-1,2,4-triazol-5-ones
    69.
    发明授权
    Preparation of 4-amino-1,2,4-triazol-5-ones 失效
    制备4-氨基-1,2,4-三唑-5-酮

    公开(公告)号:US4952701A

    公开(公告)日:1990-08-28

    申请号:US284965

    申请日:1988-12-15

    IPC分类号: C07D249/12 C07D271/10

    CPC分类号: C07D249/12

    摘要: A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which R is alkyl, comprising in a first step reacting phosgene with an acylhydrazide of the formula ##STR2## to produce an oxadiazolinone of the formula ##STR3## and in a second step reacting the oxadiazolinone with hydrazine hydrate.

    摘要翻译: 制备式(Ⅰ)的4-氨基-1,2,4-三唑-5-酮的方法,其中R是烷基,该方法包括在第一步中将光气与下式的酰基酰肼反应: (II)制备式(III)的恶二唑啉酮,第二步使恶二唑啉酮与水合肼反应。