Method for production of aryl-substituted annelated pyrimidines
    41.
    发明申请
    Method for production of aryl-substituted annelated pyrimidines 审中-公开
    芳基取代的环状嘧啶的制备方法

    公开(公告)号:US20100087640A1

    公开(公告)日:2010-04-08

    申请号:US12521877

    申请日:2008-01-10

    IPC分类号: C07D487/04

    CPC分类号: C07D487/04

    摘要: The present invention relates to a process for preparing aryl-substituted fused pyrimidines of the general formula (I) in which L1 to L5 are H, halogen, CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy etc.; Y1 to Y3 are C—RY or N; RY is H or optionally substituted C1-C4-alkyl or two adjacent RY together form a ring; X is OH, Cl or Br; which comprises (i) the reaction of a 2-phenylmalonate with a compound (III) or a tautomer thereof, in the presence of a suitable base, where the alcohol, released during the reaction, of the formula R—OH is continuously removed from the reaction mixture under reduced pressure; giving a compound of the formula (I) or a salt thereof in which X is OH, and, if X in the compounds of the general formula (I) is chlorine or bromine, (ii) the reaction of the compounds of the formula (I) obtained in step (i) or the salts with a halogenating agent.

    摘要翻译: 本发明涉及制备通式(I)的芳基取代的稠合嘧啶的方法,其中L 1至L 5为H,卤素,CN,NO 2,C 1 -C 4烷基,C 1 -C 4卤代烷基,C 1 -C 4 - 烷氧基,C1-C4-卤代烷氧基等; Y1至Y3为C-RY或N; RY为H或任选取代的C 1 -C 4烷基或两个相邻的RY一起形成环; X是OH,Cl或Br; 其包括(i)2-苯基丙二酸酯与化合物(III)或其互变异构体在合适的碱的存在下反应,其中反应期间释放的醇与式R-OH的连续从 减压下的反应混合物; 得到其中X是OH的式(I)化合物或其盐,并且如果通式(I)的化合物中的X是氯或溴,则(ii)式(I)化合物 I)或与卤化剂的盐。

    Method for the production of benzophenonen
    44.
    发明申请
    Method for the production of benzophenonen 有权
    二苯甲酮生产方法

    公开(公告)号:US20060009659A1

    公开(公告)日:2006-01-12

    申请号:US10535710

    申请日:2003-12-01

    IPC分类号: C07C45/46

    摘要: A process for preparing benzophenones of the formula I, where X may be chlorine, hydroxyl, methoxy or C1-C6-alkylcarbonyloxy, and Y may be chlorine or bromine, by reacting an acid chloride of the formula II where X and Y are as defined above with 3,4,5-trimethoxytoluene, which comprises carrying out the reaction in the presence of a) an aromatic hydrocarbon as a diluent and b) from 0.01 to 0.2 mol % of an iron catalyst, based on the acid chloride, c) at a temperature between 60° C. and the boiling point of the particular diluent.

    摘要翻译: 制备式I的二苯甲酮的方法,其中X可以是氯,羟基,甲氧基或C 1 -C 6 - 烷基羰氧基,Y可以是氯或溴, 通过使式II的酰氯与其中X和Y如上所定义的酰氯与3,4,5-三甲氧基甲苯反应,其包括在a)芳族烃作为稀释剂存在下进行反应,和b)从0.01至 0.2mol%的铁催化剂,基于酰氯,c)在60℃和特定稀释剂的沸点之间的温度下。

    Process for the preparation of O-substituted hydroxylammonium salts
    46.
    发明授权
    Process for the preparation of O-substituted hydroxylammonium salts 失效
    制备O-取代羟基铵盐的方法

    公开(公告)号:US5585520A

    公开(公告)日:1996-12-17

    申请号:US592351

    申请日:1996-01-11

    IPC分类号: C07C239/20 C07C213/00

    CPC分类号: C07C239/20

    摘要: Preparation of O-substituted hydroxylammonium salts IR.sup.1 --CHX--O--NH.sub.2.HL (I)(L=halogen, hydrogensulfate; X=H, alkyl; R.sup.1 =unsubst. or subst. phenyl, thienyl, furanyl, pyrrolyl or --CR.sup.2 .dbd.CR.sup.3 R.sup.4 ; R.sup.2, R.sup.3, R.sup.4 =H, halogen or alkyl) by reaction of an acetone oxime O-allyl or --O--benzyl ether II ##STR1## with water and a mineral acid H--L with continuous removal of the acetone formed in this process, by carrying out the hydrolysis batchwise at 0.degree.-50.degree. C. and under a pressure of 10-500 mbar is described.The O-substituted hydroxylammonium salts I are intermediates for plant protection agents and pharmaceuticals.

    摘要翻译: PCT No.PCT / EP94 / 02239 Sec。 371日期1996年1月11日 102(e)日期1996年1月11日PCT提交1994年7月8日PCT公布。 第WO95 / 04032号公报。 日期:1995年2月9日O-取代羟基铵盐IR1-CHX-O-NH2HL(I)(L =卤素,硫酸氢盐; X = H,烷基; R1 =未取代的苯基,噻吩基,呋喃基, 吡咯基或-CR2 = CR3R4; R2,R3,R4 = H,卤素或烷基),通过丙酮肟O-烯丙基或-O-苄基醚II(II)与水和无机酸HL与连续 描述了在该方法中形成的丙酮的去除方法,在0-50℃和10-500mbar的压力下间歇地进行水解。 O-取代的羟基铵盐I是植物保护剂和药物的中间体。

    Preparation of halomethylbenzoyl cyanides and novel halomethylbenzoyl
cyanides
    48.
    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。

    Plant growth regulators containing oxalic acid derivatives
    49.
    发明授权
    Plant growth regulators containing oxalic acid derivatives 失效
    含草酸衍生物的植物生长调节剂

    公开(公告)号:US5199968A

    公开(公告)日:1993-04-06

    申请号:US848503

    申请日:1992-03-09

    IPC分类号: A01N43/44 C07D205/04

    CPC分类号: C07D205/04 A01N43/44

    摘要: Oxalic acid derivatives of the formula IA--CO--COO--Y--X--D Iwhere A is an unsubstituted or substituted azetidine ring which is bonded via its nitrogen atom, Y is unsubstituted or substituted alkylene, X is oxygen or sulfur and D is unsubstituted or substituted alkyl or alkenyl or is monocyclic or polycyclic unsubstituted or substituted cycloalkyl, cycloalkylmethyl, cycloalkenyl or cycloalkenylmethyl or unsubstituted or substituted phenyl, phenylalkyl or phenylalkenyl, their preparation and growth regulators containing them.

    摘要翻译: 式I A-CO-COO-YX-DI的草酸衍生物,其中A是通过其氮原子键合的未取代或取代的氮杂环丁烷环,Y是未取代或取代的亚烷基,X是氧或硫,D是未取代的或未取代的 取代的烷基或链烯基或是单环或多环未取代或取代的环烷基,环烷基甲基,环烯基或环烯基甲基或未取代或取代的苯基,苯基烷基或苯基烯基,它们的制备和生长调节剂含有它们。