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127 条记录 (耗时 0.026 秒)

    Preparation of alkylated dodechydronaphto[2,1-b]furans
    84.
    发明授权
    Preparation of alkylated dodechydronaphto[2,1-b]furans 失效
    制备烷基化的dodechydronaphto [2,1-b]呋喃

    公开(公告)号：US4918205A

    公开(公告)日：1990-04-17

    申请号：US250077

    申请日：1988-09-28

    申请人： Walter Gramlich ,  Eckhard Hickmann ,  Rainer Becker ,  Gerald Lauterbach

    发明人： Walter Gramlich ,  Eckhard Hickmann ,  Rainer Becker ,  Gerald Lauterbach

    IPC分类号： C07B61/00 ,  B01J31/02 ,  B01J31/24 ,  C07D307/92 ,  C11B9/00

    CPC分类号： C07D307/92 ,  C11B9/0076

    摘要： Alkylated dodecahydronaphtho[2,1-b]furans of the general formula I ##STR1## where R.sup.1 and R.sup.2 are identical and each is hydrogen or methyl are prepared by reacting alkylated 2-hydroxydecahydronaphthalene-1-ethanol of the formula II ##STR2## where R.sup.1 and R.sup.2 are as defined above, with a sulfonyl chloride in the presence of basic catalysts by performing the cyclization in the presence of concentrated aqueous alkali metal hydroxides and a phase transfer catalyst, preferably a tetra-substituted ammonium or phosphonium salt, the sulfonyl chloride used preferably comprising a sulfonyl chloride of the general formula IIIR.sub.3 -SO.sub.2 Clwhere R.sup.3 is C.sub.1 -C.sub.3 -alkyl or phenyl which may be substituted in the para position by methyl, chlorine, bromine or nitro.

    摘要翻译： 通式Ⅰ的烷基化十​​二氢萘并[2,1-b]呋喃，其中R 1和R 2相同，各自为氢或甲基，是通过使式II的烷基化的2-羟基十氢化萘-1-乙醇 在碱性催化剂的存在下，通过在浓碱碱金属氢氧化物和相转移催化剂，优选四取代的铵或相互转移的催化剂存在下进行环化，其中R 1和R 2如上定义，与磺酰氯反应， 所用的磺酰氯优选包含通式IIIR 3 -SO 2 Cl的磺酰氯，其中R 3是C 1 -C 3 - 烷基或可以在对位被甲基，氯，溴或硝基取代的苯基。

    Preparation of alkoxy maleic anhydrides
    85.
    发明授权
    Preparation of alkoxy maleic anhydrides 失效
    制备烷氧基马来酸酐

    公开(公告)号：US4877887A

    公开(公告)日：1989-10-31

    申请号：US189297

    申请日：1988-05-02

    申请人： Rainer Becker ,  Wolfgang Rohr

    发明人： Rainer Becker ,  Wolfgang Rohr

    IPC分类号： C07D307/60 ,  C07C59/58 ,  C07D207/44 ,  C07D207/456 ,  C08F283/08

    CPC分类号： C07D207/456 ,  C07C59/58

    摘要： The invention relates to novel alkoxy substituted maleimides of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.8 -alkenyl, phenyl or phenylalkyl, and the organic radicals may furthermore carry inert substituents, and R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.1 -C.sub.4 -haloalkyl or C.sub.2 -C.sub.4 -haloalkenyl, and alkoxy-substituted maleic anhydrides of the formula II ##STR2## where R.sup.2 is C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.1 -C.sub.4 -haloalkyl or C.sub.2 -C.sub.4 -haloalkenyl and Z is hydrogen, halogen or a radical OR.sup.3, where R.sup.3 is C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.1 -C.sub.4 -haloalkyl or C.sub.2 -C.sub.4 -haloalkenyl.The invention further relates to processes for preparing such maleimides I and the corresponding maleic anhydrides II and their use as graft monomers in graft polymers based on polyphenylene ethers.

    摘要翻译： 本发明涉及式Ⅰ的新的烷氧基取代的马来酰亚胺，其中R 1是氢，C 1 -C 8 - 烷基，C 2 -C 8 - 烯基，苯基或苯基烷基，有机基团还可带有惰性取代基，R2和R3 C 1 -C 4 - 烷基，C 2 -C 4 - 烯基，C 1 -C 4 - 卤代烷基或C 2 -C 4 - 卤代烯基，以及式II其中R 2是C 1 -C 4 - 烷基的C 2 -C 4烷氧基取代的马来酸酐 C 4 - 烯基，C 1 -C 4 - 卤代烷基或C 2 -C 4 - 卤代烯基，Z是氢，卤素或基团OR 3，其中R 3是C 1 -C 4烷基，C 2 -C 4 - 链烯基，C 1 -C 4卤代烷基或C 2 -C 4 - C4-卤代链烯基。 本发明还涉及制备这种马来酰亚胺I和相应的马来酸酐II的方法及其作为基于聚苯醚的接枝聚合物中的接枝单体的用途。

    Pyrethroids and their use for controlling pests
    86.
    发明授权
    Pyrethroids and their use for controlling pests 失效
    拟除虫菊酯及其用于防治害虫的用途

    公开(公告)号：US4870100A

    公开(公告)日：1989-09-26

    申请号：US940649

    申请日：1986-12-11

    申请人： Bernd Wolf ,  Hans Theobald ,  Rainer Becker ,  Norbert Goetz ,  Walter Himmele ,  Rudolf Kropp

    发明人： Bernd Wolf ,  Hans Theobald ,  Rainer Becker ,  Norbert Goetz ,  Walter Himmele ,  Rudolf Kropp

    IPC分类号： A01N43/08 ,  A01N43/10 ,  A01N53/00 ,  A01N53/04 ,  A01N53/08 ,  C07C249/00 ,  C07D261/04 ,  C07D307/40 ,  C07D307/42 ,  C07D307/45 ,  C07D307/46 ,  C07D307/54 ,  C07D409/12

    CPC分类号： C07D307/42 ,  A01N43/08 ,  A01N53/00 ,  C07D261/04 ,  C07D307/46

    摘要： 2-benzylfuryl compounds of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different substituents and are each hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, haloalkylthio, alkenyl or haloalkenyl, each of not more than 6 carbon atoms, n being 1, 2 or 3 where R.sup.3 is not hydrogen, and R.sup.4 and R.sup.5 are each hydrogen or alkyl of not more than 6 carbon atoms, R is --CHO or CHR.sup.6 OA, R.sup.6 is hydrogen, cyano, alkyl, alkenyl, haloalkenyl or alkynyl, each of not more than 6 carbon atoms, or carboxamide, and A is either hydrogen or a radical of an acid typical for pyrethroids, with the proviso that R.sup.2 is not hydrogen, chlorine, bromine, methyl or methoxy when R.sup.1 is hydrogen or methyl and R.sup.3 and A are each hydrogen, and furthermore with the proviso that R.sup.1 and R.sup.2 are not methyl when A is a radical of tetramethylcyclopropanecarboxylic acid, and finally with the proviso that R.sup.2 is not methyl, chlorine, bromine or methoxy and R.sup.1 and R.sup.3 are not hydrogen when A is a radical of chrysanthemumic acid, their preparation and their use as intermediates for crop protection agents or as crop protection agents.

    摘要翻译： 通式I（I）的2-苄基呋喃基化合物，其中R 1，R 2和R 3是相同或不同的取代基，并且各自为氢，卤素，烷基，卤代烷基，烷氧基，卤代烷氧基，卤代烷硫基，烯基或卤代烯基， 大于6个碳原子，n为1,2或3，其中R3不是氢，R4和R5各自为氢或不超过6个碳原子的烷基，R为-CHO或CHR6OA，R6为氢，氰基，烷基 ，烯基，卤代烯基或炔基，各自不超过6个碳原子，或甲酰胺，A是氢或拟除虫菊酯典型的酸的基团，条件是R2不是氢，氯，溴，甲基或甲氧基 当R 1为氢或甲基且R 3和A各自为氢时，此外，当A为四甲基环丙烷羧酸基时，R 1和R 2不为甲基，最后条件是R 2不为甲基，氯，溴或 甲氧基，当A是基团时，R 1和R 3不是氢 菊花酸，它们的制备及其作为作物保护剂的中间体或作为作物保护剂的用途。

    Preparation of esters of tetrahydropyran-4-carboxylic acid
    89.
    发明授权
    Preparation of esters of tetrahydropyran-4-carboxylic acid 失效
    四氢吡喃-4-羧酸酯的制备

    公开(公告)号：US4837346A

    公开(公告)日：1989-06-06

    申请号：US170768

    申请日：1988-03-21

    申请人： Rainer Becker ,  Heinz Eckhardt ,  Rolf Fischer ,  Wolfgang Spiegler ,  Uwe Vagt

    发明人： Rainer Becker ,  Heinz Eckhardt ,  Rolf Fischer ,  Wolfgang Spiegler ,  Uwe Vagt

    IPC分类号： C07D309/08

    CPC分类号： C07D309/08

    摘要： A process for the preparation of esters of tetrahydropyran-4-carboxylic acid of the general formula I, where R.sup.1 is an alkyl, cycloalkyl, or aryl group, by treating butyrolactones of the general formula II, where R.sup.2 is a hydrogen atom, an alkyl group, or an acyl group --CO--R.sup.3, R.sup.3 being a hydrogen atom or an alkyl group with from 1 to 6 carbon atoms, with alcohols of the general formula III at temperatures of from 150.degree. C. to 400.degree. C. in the presence of acid catalysts. ##STR1##

    摘要翻译： 制备通式Ⅰ的四氢吡喃-4-羧酸的酯的方法，其中R1是烷基，环烷基或芳基，通过处理通式Ⅱ的丁内酯，其中R2是氢原子，烷基 基团或酰基-CO-R 3，R 3为氢原子或具有1至6个碳原子的烷基，与通式III的醇在150℃至400℃的温度下反应 存在酸催化剂。