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152 条记录 (耗时 0.019 秒)

    Preparation of 3-aminopropionitriles
    2.
    发明授权
    Preparation of 3-aminopropionitriles 失效
    3-氨基丙腈的制备

    公开(公告)号：US5334745A

    公开(公告)日：1994-08-02

    申请号：US69129

    申请日：1993-05-28

    申请人： Martin Brudermueller ,  Tom Witzel ,  Franz Merger

    发明人： Martin Brudermueller ,  Tom Witzel ,  Franz Merger

    IPC分类号： C07C253/30

    CPC分类号： C07C253/30

    摘要： 3-Aminopropionitriles of the general formula I ##STR1## where R.sup.1,R.sup.2,R.sup.3,R.sup.4 and R.sup.5 independently of one another are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.8 -aminoalkyl, C.sub.1 -C.sub.8 -cyanoalkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.7 -C.sub.20 -aralkyl or aryl,are prepared by a process in which an amine of the general formula II ##STR2## is reacted with an acrylonitrile of the general formula III ##STR3## where the substituents have the abovementioned meanings, in a molar ratio of from 0.9:1 to 100:1 over a heterogeneous catalyst at from 40.degree. to 200.degree. C. and from 1 to 350 bar.

    摘要翻译： 其中R 1，R 2，R 3，R 4和R 5彼此独立地是通式I的化合物，其中R 1，R 2，R 3，R 4和R 5彼此独立地是氢，C 1 -C 20 - 烷基，C 1 -C 8 - 氨基烷基，C 1 -C 8 - 氰基烷基， C 3 -C 20 - 环烷基，C 7 -C 20 - 芳烷基或芳基，其中通式II的胺（II）与通式III的丙烯腈（III）反应的方法制备， 其中取代基具有上述含义，摩尔比为0.9:1至100:1，在多元催化剂中，在40至200℃和1至350巴。

    1,1'-bis(3-aminopropyl)-2,2'-diimidazole
    5.
    发明授权
    1,1'-bis(3-aminopropyl)-2,2'-diimidazole 失效
    1,1'-双（3-氨基丙基）-2,2'-二咪唑

    公开(公告)号：US5399705A

    公开(公告)日：1995-03-21

    申请号：US122806

    申请日：1993-09-16

    申请人： Franz Merger ,  Klaus Ebel ,  Martin Brudermueller

    发明人： Franz Merger ,  Klaus Ebel ,  Martin Brudermueller

    IPC分类号： C07D233/61 ,  C07D233/88 ,  C07D233/90 ,  C07D403/04

    CPC分类号： C07D233/90

    摘要： 1,1'-bis(3-aminopropyl)-2,2'-diimidazole of the formula I ##STR1## is prepared by a novel process in which 2,2'-diimidazole of the formula II ##STR2## is reacted with acrylonitrile of the formula III ##STR3## in the presence of basic catalysts at from 80.degree. to 150.degree. C., and hydrogenation is carried out with excess hydrogen in the presence of ammonia on catalysts which contain cobalt, nickel, ruthenium and/or noble metals at from 40.degree. to 200.degree. C. under from 10 to 200 bar.

    摘要翻译： 式I（I）的1,1'-双（3-氨基丙基）-2,2'-二咪唑通过新的方法制备，其中式II的2,2'-二咪唑 II）在碱性催化剂存在下在80-150℃下与式III的丙烯腈反应，并且在氨存在下用过量的氢气在含有钴的催化剂上进行氢化 ，镍，钌和/或贵金属，在40-200℃下，10-200巴。

    Preparation of 4-acetoxystyrene
    7.
    发明授权
    Preparation of 4-acetoxystyrene 失效
    4-乙酰氧基苯乙烯的制备

    公开(公告)号：US5380918A

    公开(公告)日：1995-01-10

    申请号：US126880

    申请日：1993-09-27

    申请人： Martin Brudermueller ,  Franz Merger

    发明人： Martin Brudermueller ,  Franz Merger

    IPC分类号： C07C67/297 ,  C07C69/157

    CPC分类号： C07C67/297

    摘要： 4-Acetoxystyrene of the formula I ##STR1## is prepared by a process in which a 1-(4-acetoxyphenyl)ethyl carboxylate of the formula II ##STR2## where R is C.sub.1 -C.sub.10 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, aryl or C.sub.7 -C.sub.10 -aralkyl, is converted in the presence of an acidic catalyst and of a polymerization inhibitor in an inert heat transfer medium at from 160.degree. to 250.degree. C. and from 0.1 to 300 mbar.

    摘要翻译： 通式Ⅰ（I）的4-乙酰氧基苯乙烯通过以下方法制备：其中R为C 1 -C 10 - 烷基，C 3 -C 6烷基的式（II）的1-（4-乙酰氧基苯基）乙基羧酸酯 -C 1-6 - 环烷基，芳基或C 7 -C 10 - 芳烷基在惰性传热介质中在酸性催化剂和阻聚剂的存在下在160-250℃和0.1至300毫巴条件下转化。

    Preparation of (107 -substituted urethano alkylcarboxylates)
    8.
    发明授权
    Preparation of (107 -substituted urethano alkylcarboxylates) 失效
    （w-取代的尿烷）烷基羧酸盐的制备

    公开(公告)号：US5300678A

    公开(公告)日：1994-04-05

    申请号：US14168

    申请日：1993-02-05

    申请人： Franz Merger ,  Martin Brudermueller

    发明人： Franz Merger ,  Martin Brudermueller

    IPC分类号： C07C269/00 ,  C07C271/22 ,  C07C261/00

    CPC分类号： C07C269/00

    摘要： A process for the preparation of a .omega.-(O-substituted urethano)alkylcarboxylate, wherein a lactam having from 4 to 9 ring members, which can have alkyl, alkenyl, cycloalkyl, or aralkyl groups containing up to 12 carbon atoms as substituents, is reacted with a carbonic diester of an alkanol, alkenol, cycloalkanol, or aralkanol containing up to 16 carbon atoms, at a temperature of from 25.degree. to 300.degree. C. in the presence of a catalytically effective amount of a base.

    摘要翻译： 制备ω-（O-取代的尿烷）烷基羧酸酯的方法，其中具有4至9个环成员的内酰胺可具有含有至多12个碳原子的烷基，烯基，环烷基或芳烷基作为取代基， 在含有最多16个碳原子的链烷醇，链烯醇，环烷醇或芳烷醇的碳酸二酯上，在催化有效量的碱的存在下，在25℃至300℃的温度下反应。

    Preparation of 4-halobenzyl alcohols
    9.
    发明授权
    Preparation of 4-halobenzyl alcohols 失效
    制备4-卤代苄醇

    公开(公告)号：US5254752A

    公开(公告)日：1993-10-19

    申请号：US960774

    申请日：1992-10-14

    申请人： Franz Merger ,  Martin Brudermueller ,  Martin Schmidt-Radde

    发明人： Franz Merger ,  Martin Brudermueller ,  Martin Schmidt-Radde

    IPC分类号： C07C29/141 ,  C07C29/145 ,  C07C33/46 ,  C07C41/18 ,  C07C43/174 ,  C07C27/04

    CPC分类号： C07C29/141 ,  C07C29/145 ,  C07C33/46

    摘要： The invention provides a process for the preparation of a 4-halobenzyl alcohol of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl, or C.sub.4 - to C.sub.30 -cycloalkylalkyl,R.sup.2 is C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl or C.sub.4 - to C.sub.30 -cycloalkylalkyl,X is halogen andm is 0 to 2,by reacting a haloaromatic carbonyl compound of the formula ##STR2## where R.sup.1, R.sup.2, X and m are as defined above, with hydrogen on a hydrogenation catalyst consisting essentially of copper oxide (I), copper oxide (II) and mixtures thereof in the presence of at least one primary, secondary or tertiary amine selected from the group consisting of acyclic, cyclic and heterocyclic aliphatic amines, in the presence or absence of an inert solvent, at from 50.degree. to 130.degree. C. and at from 10 to 200 bar.

    摘要翻译： 本发明提供制备式（I）的4-卤代苄醇的方法，其中R 1是氢，C 1 -C 20烷基，C 2 -C 20烷氧基烷基，C 3 -C 20环烷基或 C 4 -C 30 - 环烷基烷基，R 2是C 1〜C 20 - 烷基，C 2〜C 20 - 烷氧基烷基，C 3〜C 20 - 环烷基或C 4〜C 30 - 环烷基烷基，X是卤素，m是0〜2， 其中R1，R2，X和m如上所定义的式（II）的卤代芳基羰基化合物与氢在基本上由氧化铜（I），氧化铜（II）和它们的混合物组成的氢化催化剂上 在惰性溶剂存在或不存在下，在50-130℃和10-200℃下存在至少一种选自无环，环状和杂环脂族胺的伯，仲或叔胺 酒吧。

    Preparation of cyclopentanones
    10.
    发明授权
    Preparation of cyclopentanones 失效
    环戊酮的制备

    公开(公告)号：US5166447A

    公开(公告)日：1992-11-24

    申请号：US776688

    申请日：1991-10-15

    申请人： Franz Merger ,  Tom Witzel

    发明人： Franz Merger ,  Tom Witzel

    IPC分类号： C07C45/60 ,  C07C49/395 ,  C07C49/523

    CPC分类号： C07C49/395 ,  C07C45/60 ,  C07C49/523 ,  Y02P20/582

    摘要： Cyclopentanones of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each an organic radical or R.sup.1 or R.sup.2 may be hydrogen and R.sup.3 is hydrogen or formyl, are prepared by a process in which a 2-formyl-3,4-dihydropyran of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, a) where R.sup.3 is formyl, is converted in the presence of an acidic heterogeneous catalyst at from 50.degree. to 500.degree. C., andb) where R.sup.3 is hydrogen,b.sub.1) is reacted with water or an alcohol in the presence of an acidic heterogeneous catalyst at from 100.degree. to 500.degree. C. in the gas phase orb.sub.2) a compound II or an acrolein of the general formula III ##STR3## is reacted with water or with water in the presence of an acid or with an alcohol in the presence of an acid at from 150.degree. to 400.degree. C. in the liquid phase. Novel 2-formylcyclopentanones are obtained.

    摘要翻译： 其中R 1和R 2各自为有机基团或R 1或R 2可以是氢并且R 3为氢或甲酰基的通式I（I）的环戊烷酮通过其中2-甲酰基-3,4 - 二氢吡喃，其中R 1和R 2具有上述含义，a）其中R 3是甲酰基，在酸性多相催化剂存在下在50-500℃下转化，和 b）其中R3是氢，b1）在酸性非均相催化剂存在下，在气相中在100-500℃下与水或醇反应，或b2）化合物II或通式为的丙烯醛 在酸的存在下，在酸的存在下，在液相中，在150℃至400℃的条件下，将III（III）化合物与水或水在酸或醇的存在下反应。 得到新的2-甲酰基环戊烷酮。