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    • 107. 发明申请
    • Use of sulfonylureas
    • 磺酰脲类的使用
    • US20050233908A1
    • 2005-10-20
    • US11090424
    • 2005-03-25
    • Martin HillsHansjorg KrahmerChristian WaldraffHansjorg DietrichDieter FeuchtKlaus-Helmut MullerUlrich Philipp
    • Martin HillsHansjorg KrahmerChristian WaldraffHansjorg DietrichDieter FeuchtKlaus-Helmut MullerUlrich Philipp
    • A01N47/36A01N43/72A01N43/78
    • A01N47/36
    • The invention relates to the use of compounds of the formula (I) and salts thereof for the selective control of unwanted vegetation in leguminous plants or for the non-selective control of unwanted vegetation in which A is nitrogen or a CR11 grouping, where R11 is hydrogen, alkyl, halogen or haloalkyl, R1 is hydrogen optionally substituted radical from the group consisting of alkyl alkoxy, alkoxyalkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aralkyl and aryl, R2 hydrogen, halogen or is in each case optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino having in each case 1 to 6 carbon atoms, R3 is hydrogen, halogen or is in each case optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino having in each case 1 to 6 carbon atoms, R4—R7 independently of one another are hydrogen, halogen, cyano, thiocyanato or are in each case optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl having in each case 1 to 3 carbon atoms, R8 is hydrogen, halogen, cyano, thiocyanato or is in each case optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl having in each case 1 to 3 carbon atoms, where in the radicals mentioned above the alkyl and alkylene groups may each contain 1 to 6 carbon atoms, the alkenyl and alkynyl groups may each contain 2 to 6 carbon atoms the cycloalkyl groups may each contain 3 to 6 carbon atoms and the aryl groups may each contain 6 or 10 carbon atoms.
    • 本发明涉及式(I)化合物及其盐在豆科植物中选择性控制不想要的植物或非选择性控制不需要的植物的用途,其中A是氮或CR 11, 其中R 11是氢,烷基,卤素或卤代烷基,R 1是从烷基烷氧基,烷氧基烷基,链烯基,烷基, 炔基,环烷基,环烷基烷基,芳烷基和芳基,R 2 O,卤素或在各种情况下任选为卤素取代的烷基,烷氧基,烷硫基,烷基氨基或二烷基氨基,其各自为1至6个碳原子, R 3是氢,卤素或在每种情况下任选是卤素取代的烷基,烷氧基,烷硫基,烷基氨基或二烷基氨基,其各自为1至6个碳原子,R 4为 -R 7彼此独立地是氢,卤素,氰基,氰硫基,或者在每种情况下都是卤素 取代烷基,烷氧基,烷硫基,烷基亚磺酰基,烷基磺酰基,烷基氨基,烷基羰基,烷氧基羰基,在每种情况下为1至3个碳原子的烷基氨基羰基,R 8为氢,卤素,氰基,氰硫基,或在每种情况下 任选的卤素取代的烷基,烷氧基,烷硫基,烷基亚磺酰基,烷基磺酰基,烷基氨基,烷基羰基,烷氧基羰基,烷基氨基羰基,各自为1至3个碳原子,其中在上述烷基和亚烷基基团中各自可含有1至6个碳原子 ,烯基和炔基各自可以含有2至6个碳原子,环烷基各自可以含有3至6个碳原子,芳基可以各自含有6或10个碳原子。
    • 110. 发明授权
    • Process for preparing difluoromethoxyarenes and difluoromethylthioarenes
    • 制备二氟甲氧基亚芳基和二氟甲硫基芳烃的方法
    • US5463138A
    • 1995-10-31
    • US245330
    • 1994-05-18
    • Klaus-Helmut Muller
    • Klaus-Helmut Muller
    • B01J23/02B01J31/02C07B41/04C07B61/00C07C41/16C07C43/225C07C45/64C07C45/71C07C49/84C07C201/12C07C205/37C07C319/14C07C323/09C07C323/22C07C41/01
    • C07C319/14C07B41/04C07C201/12C07C41/16C07C45/71
    • Difluoromethoxyarenes and difluoromethylthioarenes of the general formula (I),Ar--Q--CHF.sub.2 (I)in whichAr represents optionally substituted aryl, andQ represents oxygen or sulphur,(which can be used as intermediates for preparing biologically active products) are obtained in very good yields and in a high degree of purity by reacting hydroxyarenes or mercaptoarenes of the general formulaAr--Q--H (II)with chlorodifluoromethane (ClCHF.sub.2) in the presence of an aqueous alkali metal hydroxide or alkaline earth metal hydroxide at temperatures of between 20.degree. C. and 120.degree. C.,the reaction being carried out in the presence of a phase-transfer catalyst from the group comprising the tetrasubstituted ammonium salts and phosphonium salts, and in the presence of a non-polar or moderately polar solvent from the group comprising the aliphatic or alicyclic hydrocarbons or from the group comprising the aromatic hydrocarbons, which are optionally substituted by chlorine, or from the group comprising the branched alkyl ethers.
    • 获得通式(I)的二氟甲氧基亚芳基和二氟甲硫基芳烃,其中Ar表示任选取代的芳基,Q表示氧或硫的Ar-Q-CHF 2(I)(其可用作制备生物活性产物的中间体) 在碱金属氢氧化物或碱土金属氢氧化物水溶液的存在下,在20℃的温度下,使通式为Ar-QH(II)的羟基芳烃或巯基芳烃与氯二氟甲烷(ClCHF 2)反应,得到非常好的收率和高纯度 该反应在相转移催化剂存在下进行,所述相转移催化剂由四取代铵盐和鏻盐组成,并且在非极性或中等极性溶剂存在下, 包括脂族或脂环烃或由任选被氯取代的芳族烃基组成的组中,或由包含的基团组成 支链烷基醚。