Preparation of
cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny)-3-(halophenyl) oxirane
    3.
    发明授权
    Preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny)-3-(halophenyl) oxirane 失效
    顺式-2-(1H-1,2,4-三唑-1-基甲基)-2-(卤代苯基)-3-(卤苯基)环氧乙烷的制备

    公开(公告)号:US5245042A

    公开(公告)日:1993-09-14

    申请号:US874227

    申请日:1992-04-27

    IPC分类号: C07D249/08 C07D521/00

    摘要: A process is described for the preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halophenyl)-3-(halophenyl)oxirane I ##STR1## by epoxidizing Z-3-(1H-1,2,4-triazol-1-yl)-2-(halophenyl)-1-halophenyl)propene II, ##STR2## where halogen is in each case fluorine, chlorine or bromine, which comprises reacting the crude product of the epoxidation with one or more reducing agents, which are added to the reaction mixture in a considerable excess over the amount necessary to destroy any peroxide compounds present.

    摘要翻译: 描述了通过环氧化Z-3-(1H-1,2,4-三唑-1-基甲基)-2-(卤代苯基)-3-(卤代苯基)环氧乙烷I (1H-1,2,4-三唑-1-基)-2-(卤代苯基)-1-卤代苯基)丙烯II,其中卤素在各种情况下为氟,氯或溴,其包括使粗产物 与一种或多种还原剂进行环氧化反应,其以相当多的过量加入反应混合物中超过破坏存在的任何过氧化物化合物所需的量。

    Method for drying phenoxymethylbenzoic acids
    5.
    发明授权
    Method for drying phenoxymethylbenzoic acids 失效
    苯氧基甲基苯甲酸的干燥方法

    公开(公告)号:US06737544B1

    公开(公告)日:2004-05-18

    申请号:US09787613

    申请日:2001-03-20

    IPC分类号: C07C6500

    CPC分类号: C07C51/43 C07C65/24

    摘要: A process for drying phenoxymethylbenzoic acids of the general formula I where X, Y, m and n have the following meanings: X, Y halogen or a C-organic radical, m a value from 0 to 4 and n a value from 0 to 5 which comprises drying the water- and/or solvent-wet phenoxymethylbenzoic acids at a temperature in the range from 1° to 25° C. above their melting point under the reaction conditions used.

    摘要翻译: 用于干燥通式I的苯氧基甲基苯甲酸的方法,其中X,Y,m和n具有以下含义:X,Y卤素或C - 有机基团,ma值为0至4,值为0至5,其包括干燥 水和/或溶剂 - 湿的苯氧基甲基苯甲酸,在所用反应条件下,在其熔点以上1℃至25℃的温度范围内。

    Preparation of .alpha.,.beta.-unsaturated carbonyl compounds
    7.
    发明授权
    Preparation of .alpha.,.beta.-unsaturated carbonyl compounds 失效
    (ALPHA),(BETA) - 饱和碳化合物的制备

    公开(公告)号:US5169958A

    公开(公告)日:1992-12-08

    申请号:US769022

    申请日:1991-10-01

    摘要: A process for the preparation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or aryloxy,R.sup.2 is aryl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen andR.sup.3 is tetrahydrofuranyl or aryl which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen, which comprises reacting 3-amino-2-propen-1-ones of the formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, and R.sup.4 and R.sup.5 are, independently of one another, hydrogen, C.sub.1 -C.sub.10 -alkyl or aryl, with a magnesium halide of the formula IIIR.sup.3 --Mg--Y (III) where Y is halogen, at from -20.degree. to 100.degree. C., and novel .alpha.,.beta.-unsaturated carbonyl compounds and novel 3-amino-2-propen-1-ones are described.

    摘要翻译: 制备式I的α,β-不饱和羰基化合物的方法,其中R1是氢,C1-C10-烷基,C1-C10-烷氧基或芳氧基,R2是未取代或取代的芳基 C1-C4-烷基,C1-C4-烷氧基,三氟甲基和/或卤素,R3是被C1-C4-烷基,C1-C4-烷氧基,三氟甲基和/或卤素取代的四氢呋喃基或芳基,其包括使3 - 氨基-2-丙烯-1-酮,其中R 1和R 2具有上述含义,并且R 4和R 5彼此独立地为氢,C 1 -C 10 - 烷基或芳基, 与式III的卤化镁R3-Mg-Y(III)其中Y是卤素,在-20℃至100℃,和新的α,β-不饱和羰基化合物和新的3-氨基-2-丙烯 描述-1。

    Preparation of halomethylbenzoyl cyanides and novel halomethylbenzoyl
cyanides
    9.
    发明授权
    Preparation of halomethylbenzoyl cyanides and novel halomethylbenzoyl cyanides 失效
    制备卤代甲基苯甲酰氰和新的卤代甲基苯甲酰氰

    公开(公告)号:US5446199A

    公开(公告)日:1995-08-29

    申请号:US216416

    申请日:1994-03-23

    CPC分类号: C07C255/40 C07C253/14

    摘要: A process for preparing halomethylbenzoyl cyanides IPh-CO-CN I(Ph=phenyl radical substituted by chloromethyl or bromomethyl which, if desired, can additionally carry 1-4 further radicals) by reacting halomethylbenzoyl chlorides IIPh-CO-Cl IIwith an alkali metal cyanide or transition metal cyanide, if appropriate in an organic diluent, and novel halomethylbenzoyl cyanides I' ##STR1## (X=halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, CF.sub.3, C.sub.1 -C.sub.5 -alkyl-(C.sub.1 -C.sub.5 -alkyl)hydroxyimino or C.sub.1 -C.sub.5 -alkyl-(C.sub.2 -C.sub.5 -alkenyl)hydroxyimino; m=0 to 4 and Y=chloromethyl or bromomethyl) are described.The halomethylbenzoyl cyanides I are important intermediates for the synthesis of plant protection agents.

    摘要翻译: 制备卤代甲基苯甲酰基氰化物I Ph-CO-CNI(Ph =被氯甲基或溴甲基取代的苯基,如果需要,还可以另外携带1-4个基团),卤代甲基苯甲酰氯II Ph-CO-ClII与碱金属 氰化物或过渡金属氰化物,如果合适,在有机稀释剂中,和新的卤代甲基苯甲酰氰I'(X =卤素,C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基,CF 3,C 1 -C 5烷基 - ( C 1 -C 5 - 烷基)羟基亚氨基或C 1 -C 5 - 烷基 - (C 2 -C 5 - 烯基)羟基亚氨基; m = 0至4,Y =氯甲基或溴甲基)。 卤代甲基苯甲酰氰I是合成植物保护剂的重要中间体。