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155 条记录 (耗时 0.031 秒)

    Preparation of silicon-containing vinyl ethers and vinyl thioethers
    32.
    发明授权
    Preparation of silicon-containing vinyl ethers and vinyl thioethers 失效
    含硅乙烯基醚和乙烯基硫醚的制备

    公开(公告)号：US5587503A

    公开(公告)日：1996-12-24

    申请号：US518718

    申请日：1995-08-24

    申请人： Marc Heider ,  Jochem Henkelmann ,  Michael Karcher

    发明人： Marc Heider ,  Jochem Henkelmann ,  Michael Karcher

    IPC分类号： C07F7/08 ,  C07F7/18

    CPC分类号： C07F7/1892 ,  C07F7/083

    摘要： Process for preparing silicon-containing vinyl ethers and vinyl thioethers of the general formula I ##STR1## where the variables have the following meanings: X is oxygen or sulfur,R.sup.1 is C.sub.1 -C.sub.20 -alkylene, C.sub.3 -C.sub.12 -cycloalkylene or C.sub.6 -C.sub.10 -arylene,R.sup.2, R.sup.3 and R.sup.4 are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.1 -C.sub.12 -alkoxy, phenoxy, heteroaryl or together with R.sup.1 form a C.sub.3 -C.sub.12 -cycle,by reaction of silicon-containing alcohols or thiols of the general formula II ##STR2## where the variables have the meaning indicated above, with acetylene, by carrying out the reaction in phenyl methyl sulfoxide, dimethyl sulfoxide, sulfolane or hexamethylphosphoramide in the presence of an alkali metal hydroxide.

    摘要翻译： 制备通式I的含硅乙烯基醚和乙烯基硫醚的方法意义：X是氧或硫，R1是C1-C20亚烷基，C3-C12-亚环烷基或C6-C10-亚芳基，R2，R3和R4 C 1 -C 20烷基，C 3 -C 12 - 环烷基，C 1 -C 12 - 烷氧基，苯氧基，杂芳基或与R 1一起形成C 3 -C 12环，通过使通式II的含硅醇或硫醇反应 通过在碱金属氢氧化物的存在下在苯基甲基亚砜，二甲基亚砜，环丁砜或六甲基磷酰胺中进行反应，其中变量具有上述含义的乙炔。

    Selective hydrogenation of aromatic groups in the presence of epoxy groups
    33.
    发明授权
    Selective hydrogenation of aromatic groups in the presence of epoxy groups 失效
    在环氧基存在下选择性氢化芳基

    公开(公告)号：US5530147A

    公开(公告)日：1996-06-25

    申请号：US422905

    申请日：1995-04-17

    申请人： Thomas Wettling ,  Ludwig Schuster ,  Jochem Henkelmann

    发明人： Thomas Wettling ,  Ludwig Schuster ,  Jochem Henkelmann

    IPC分类号： B01J23/46 ,  C07B35/02 ,  C07D301/00 ,  C07D303/24 ,  C08G59/14 ,  C08G59/68 ,  C07D303/23

    CPC分类号： C07D303/24 ,  C07D301/00 ,  C08G59/1405

    摘要： A process for the selective hydrogenation of aromatic groups of organic molecules carrying at least one aromatic group and one epoxy group with hydrogen in the presence of a ruthenium-containing catalyst, in which a homogeneous ruthenium catalyst is used which can be prepared by reducing the ruthenium compound with a metal having a redox potential of from -0.75 to 2.5 V, a boron hydride, an aluminum hydride, an aluminum alkyl compound, a lithium alkyl compound, or a lithium aryl compound in the presence of an ether.

    摘要翻译： 在含钌催化剂的存在下，使用含有钌的催化剂存在下，用氢气携带至少一个芳基和一个环氧基的有机分子的芳族基团的选择性氢化的方法，其中使用均匀的钌催化剂，其可以通过还原钌来制备 在乙醚存在下与氧化还原电位为-0.75至2.5V的金属，硼氢化物，氢化铝，烷基铝化合物，烷基锂化合物或锂芳基化合物的化合物。

    Preparation of aryl chloroformates
    34.
    发明授权
    Preparation of aryl chloroformates 失效
    氯甲酸芳基酯的制备

    公开(公告)号：US5274164A

    公开(公告)日：1993-12-28

    申请号：US975693

    申请日：1992-11-13

    申请人： Thomas Wettling ,  Jochem Henkelmann ,  Irene Troetsch-Schaller ,  Hermann Koehler

    发明人： Thomas Wettling ,  Jochem Henkelmann ,  Irene Troetsch-Schaller ,  Hermann Koehler

    IPC分类号： C07C68/02 ,  C07C69/96

    CPC分类号： C07C68/02

    摘要： A process for the preparation of aromatic aryl chloroformates of the general formula I ##STR1## in which Ar denotes an aryl radical optionally mono- to penta-substituted by C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.3 -C.sub.8 -alkyl-cycloalkyl, C.sub.1 -C.sub.20 -haloalkyl, C.sub.1 -C.sub.20 -alkoxy, C.sub.1 -C.sub.20 -alkylthio, halo, cyano, C.sub.2 -C.sub.20 -alkylcarbonyloxy, C.sub.3 -C.sub.20 -carboalkoxy, formyl, C.sub.2 -C.sub.20 -dialkylamino, aryl, aryloxy, arylthio, aroyl, C.sub.7 -C.sub.20 -aralkyl, C.sub.7 -C.sub.20 -aralkoxy, arylsulfonyl and/or C.sub.7 -C.sub.20 -aralkylthio and/or optionally mono- or di-substituted by chloroformyl and/or nitro, from phosgene and phenols of the general formula IIAr--OH (II),in which Ar has the meanings stated above and optionally carries one or two hydroxy groups, wherein the reaction is carried out at a temperature of from 60.degree. to 180.degree. C. in the presence of an organic phosphorus compound of the general formula III ##STR2## in which at least one of the radicals R.sup.1, R.sup.2, and R.sup.3 stands, irrespective of the others, for --NR.sup.5 R.sup.6 or --O--R.sup.7 andR.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 independently denote C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, halo, aryl, or C.sub.7 -C.sub.20 -aralkyl and R.sup.1 and R.sup.2, R.sup.1 and R.sup.3, R.sup.2 and R.sup.3, and R.sup.5 and R.sup.6 each denote a saturated or unsaturated C.sub.2 -C.sub.5 -alkylene chain,X denotes hydroxy, aryloxy, halo, or an inorganic or organic acid anion,R.sup.4 denotes hydrogen or C.sub.1 -C.sub.20 -alkyl or halo when X stands for halo, aryloxy, or aralkoxy,n is equal to 0 or 1, andR.sup.4 and X can together denote oxygen or sulfur.

    摘要翻译： 制备通式I（I）的芳族芳基氯甲酸酯的方法，其中Ar表示任选被C 1 -C 20 - 烷基，C 2 -C 20 - 烯基，C 3 -C 8单取代至五取代的芳基 - 烷基 - 环烷基，C 1 -C 20卤代烷基，C 1 -C 20 - 烷氧基，C 1 -C 20 - 烷硫基，卤素，氰基，C 2 -C 20烷基羰基氧基，C 3 -C 20 - 烷氧基，甲酰基，C 2 -C 20 - 二烷基氨基，芳基， ，芳基硫基，芳酰基，C 7 -C 20 - 芳烷基，C 7 -C 20 - 芳烷氧基，芳基磺酰基和/或C 7 -C 20 - 芳烷硫基，和/或任选被氯仿和/或硝基的一般或二取代的光气和酚 式II Ar-OH（II），其中Ar具有上述含义并任选地带有一个或两个羟基，其中反应在有机物存在下在60-180℃的温度下进行 磷化合物，其中R 1，R 2和R 3中的至少一个与-NR 5 R 6或-O-R 7和R 1，R 2，R 3，R 4不同，其中R 1，R 2和R 3中的至少一个表示 ， R5，R6，R7独立地表示C1-C20烷基，C2-C20-烯基，卤素，芳基或C7-C20-芳烷基，R1和R2，R1和R3，R2和R3，以及R5和R6各自表示饱和 或不饱和C 2 -C 5亚烷基链，X表示羟基，芳氧基，卤素或无机或有机酸阴离子，当X代表卤素，芳氧基或芳烷氧基时，R 4表示氢或C 1 -C 20烷基或卤素，n相等 至0或1，R4和X可以一起表示氧或硫。

    Preparation of carboxylic chlorides
    36.
    发明授权
    Preparation of carboxylic chlorides 失效
    羧酸氯化物的制备

    公开(公告)号：US5200560A

    公开(公告)日：1993-04-06

    申请号：US908439

    申请日：1992-06-30

    申请人： Thomas M. Kahl ,  Jochem Henkelmann ,  Leopold Hupfer ,  Wolfgang Franzischka ,  Wolfgang Schwarz

    发明人： Thomas M. Kahl ,  Jochem Henkelmann ,  Leopold Hupfer ,  Wolfgang Franzischka ,  Wolfgang Schwarz

    IPC分类号： C07C51/60

    CPC分类号： C07C51/60

    摘要： A process for the preparation of a carboxylic chloride of the general formula I ##STR1## in which R denotes C.sub.1 -C.sub.30 -alkyl, C.sub.2 -C.sub.30 -alkenyl or C.sub.2 -C.sub.30 -alkynyl, from a carboxylic acid of the general formula II ##STR2## in which R has the meanings stated, and phosgene COCl.sub.2 (III), in the presence of a catalyst adduct comprising phosgene and N,N-disubstituted formamide of the general formula IV ##STR3## in which R.sup.1 and R.sup.2 are independently C.sub.1 -C.sub.3 -alkyl or R.sup.1 and R.sup.2 together form a C.sub.4 - or C.sub.5 -alkylene chain which may or may not be interrupted by an oxygen atom or by a nitrogen atom carrying a C.sub.1 -C.sub.3 -alkyl group or CHO, the product being isolated by phase separation, wherein the amount of phosgene added to the formamide (IV) is from 20 to 70% molar, based on the formamide.

    摘要翻译： 由通式I（I）表示的羧酸的制备方法，其中R表示C 1 -C 30 - 烷基，C 2 -C 30 - 烯基或C 2 -C 30炔基，由通式 （II）其中R具有所述的含义，和光气COCl 2（III），在包含光气和N，N-二取代的通式IV（IV）的甲酰胺的催化剂加合物的存在下，在 其中R 1和R 2独立地是C 1 -C 3 - 烷基或R 1和R 2一起形成C4-或C5-亚烷基链，其可以被氧原子或可以不被氧原子中断或可以被携带C1-C3-烷基的氮原子或 CHO，通过相分离分离产物，其中加甲酰胺（IV）中的光气的量为甲酰胺为20-70％摩尔。