CONTINUOUS METHOD FOR PRODUCING SUBSTITUTED CYCLOHEXYLMETHANOLS
    2.
    发明申请
    CONTINUOUS METHOD FOR PRODUCING SUBSTITUTED CYCLOHEXYLMETHANOLS 有权
    用于生产取代的环己基甲醇的连续方法

    公开(公告)号:US20110251439A1

    公开(公告)日:2011-10-13

    申请号:US13140074

    申请日:2009-12-10

    IPC分类号: C07C35/08

    摘要: The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising Al2O3 and/or SiO2, and the catalyst being used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected in series.

    摘要翻译: 本发明涉及通过在氢存在下催化氢化相应的醛或酮并且在催化剂存在下,在作为活性金属的催化剂存在下,制备对 - 烷基取代的环己基甲醇,特别是4-异丙基环己基甲醇的连续方法, 钌施加到载体上,载体包含Al 2 O 3和/或SiO 2,催化剂以氢化反应器或串联连接的多个氢化反应器中的固定床催化剂的形式使用。

    Continuous method for producing substituted cyclohexylmethanols
    5.
    发明授权
    Continuous method for producing substituted cyclohexylmethanols 有权
    连续制备取代的环己基甲醇的方法

    公开(公告)号:US08598392B2

    公开(公告)日:2013-12-03

    申请号:US13140074

    申请日:2009-12-10

    摘要: The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising Al2O3 and/or SiO2, and the catalyst being used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected in series.

    摘要翻译: 本发明涉及通过在氢存在下催化氢化相应的醛或酮并且在催化剂存在下,在作为活性金属的催化剂存在下,制备对 - 烷基取代的环己基甲醇,特别是4-异丙基环己基甲醇的连续方法, 钌施加到载体上,载体包含Al 2 O 3和/或SiO 2,催化剂以氢化反应器或串联连接的多个氢化反应器中的固定床催化剂的形式使用。

    Selective hydrogenation of aromatic groups in the presence of epoxy
groups
    8.
    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

    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
    9.
    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

    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。