Continuous preparation of methyl formate
    11.
    发明授权
    Continuous preparation of methyl formate 失效
    连续制备甲酸甲酯

    公开(公告)号:US5917085A

    公开(公告)日:1999-06-29

    申请号:US875657

    申请日:1997-07-30

    IPC分类号: C07C67/36 C07C69/06

    CPC分类号: C07C67/36

    摘要: In a process for the continuous preparation of methyl formate by reaction of carbon monoxide and methanol under elevated pressure and elevated temperature in the presence of an alkali metal methoxide, the reaction is carried out at a pressure of from 210 to 250 bar in the presence of from 0.05 to 0.2% by weight of alkali metal methoxide, based on methanol used.

    摘要翻译: PCT No.PCT / EP96 / 00598 Sec。 371日期1997年7月30日 102(e)1997年7月30日PCT PCT 1996年2月13日PCT公布。 出版物WO96 / 26178 日期1996年8月29日在碱金属甲醇盐存在下,在升高的压力和升高的温度下通过一氧化碳和甲醇的反应连续制备甲酸甲酯的方法,反应在210-250℃的压力下进行 在0.05至0.2重量%的碱金属甲醇盐存在下,基于所用的甲醇。

    Polymers of olefinically unsaturated monomers
    14.
    发明授权
    Polymers of olefinically unsaturated monomers 失效
    烯属不饱和单体的聚合物

    公开(公告)号:US06031057A

    公开(公告)日:2000-02-29

    申请号:US952440

    申请日:1997-11-20

    IPC分类号: C08F4/80 C08F10/00

    CPC分类号: C08F10/00

    摘要: Polymers are obtained by polymerising olefinically unsaturated monomers in the presence of a metal complex having the general formula (I), in which the substituents and indexes have the following meanings: M is a metal of group VIIIB of the periodic table of elements; E.sup.1, E.sup.2 stand for an element of group VA of the periodic table of elements; Z is a bridging structural unit made of one, two or three substructural units of elements of groups IVA, VA, VIA of the periodic table of elements; R.sup.1 to R.sup.4 stand for substituents selected in the group that consists of C.sub.1 -C.sub.20 organic carbon residues and C.sub.3 -C.sub.30 organic silicium residues which may contain one or several elements of groups IVA, VA, VIA and VIIA of the periodic table of elements; L.sup.1, L.sup.2 stand for formally charged or neutral ligands; X stands for monovalent or polyvalent anions; p equals 0, 1 or 2; m, n equal 0, 1 or 2, whereas p=m.times.n. ##STR1##

    摘要翻译: PCT No.PCT / EP96 / 01964。 371日期:1997年11月20日 102(e)1997年11月20日日期PCT提交1996年5月9日PCT公布。 第WO96 / 37522号公报 日期:1996年11月28日共聚物通过在具有通式(I)的金属络合物的存在下聚合烯属不饱和单体得到,其中取代基和指数具有以下含义:M是周期表VIIIB族的金属 元素; E1,E2表示元素周期表第VA组的元素; Z是由元素周期表第IVA,VA,VIA族元素的一个,两个或三个亚单位构成的桥接结构单元; R1至R4代表由C1-C20有机碳残基和C3-C30有机硅残基组成的基团,其可以含有元素周期表的IVA,VA,VIA和VIIA族的一种或几种元素; L1,L2代表正电荷或中性配体; X代表单价或多价阴离子; p等于0,1或2; m,n等于0,1或2,而p = m×n。

    Process for the preparation of 1,4-butanediol monoethers
    16.
    发明授权
    Process for the preparation of 1,4-butanediol monoethers 失效
    1,4-丁二醇单醚的制备方法

    公开(公告)号:US06103939A

    公开(公告)日:2000-08-15

    申请号:US426957

    申请日:1999-10-26

    CPC分类号: C07C41/26

    摘要: A process for preparing tetrahydrofuran, which comprises reacting 1,4-butenediol diethers of the formulae I and/or IIRO--CH.sub.2 --CH.dbd.CH--CH.sub.2 --OR IRO--CH.sub.2 --CH.sub.2 .dbd.CH--CH.sub.2 --OR II,where the R radicals can be identical or different and are C.sub.1 -C.sub.15 -alkyl or cycloalkyl radicals, C.sub.6 -C.sub.12 -aryl radicals or C.sub.7 -C.sub.15 -aralkyl radicals, with water and hydrogen at from 20 to 300.degree. C. under from 1 to 300 bar in the presence of catalysts or catalyst combinations which comprise components which are both capable of hydrogenation and have acidic or basic centers and a novel process for preparing 1,4-butanediol diethers of the formula I by metathesis are described.The invention furthermore relates to the separate preparation of 1,4-butanediol monoethers of the formula IIIHO--CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --OR III,where R has the meanings indicated for formulae I and II, for which purpose 1,4-butanediol diethers of the formulae I and/or II are reacted as claimed in claim 1 with water and hydrogen in the presence of a hydrogenation catalyst at from 20 to 300.degree. C. under from 1 to 300 bar.

    摘要翻译: 一种制备四氢呋喃的方法,其包括使式I和/或IIRO-CH2-CH = CH-CH2-ORIRO-CH2-CH2 = CH-CH2-ORII的1,4-丁烯二醇二醚反应,其中R基团可以是 相同或不同的是C 1 -C 15 - 烷基或环烷基,C 6 -C 12 - 芳基或C 7 -C 15 - 芳烷基,其中水和氢在20-300℃下,在1至300巴下, 描述了包含能够氢化并具有酸性或碱性中心的组分的催化剂或催化剂组合,以及通过复分解制备式I的1,4-丁二醇二醚的新方法。 本发明还涉及分别制备式IIIHO-CH2-CH2-CH2-CH2-ORIII的1,4-丁二醇单醚,其中R具有式I和II所示的含义,为此目的1,4-丁二醇 式I和/或II的二醚在氢化催化剂存在下,在20-300℃,1〜300巴下,与水和氢反应,如权利要求1所述。

    Olefin polymerization using a catalyst comprising a group VIIIB metal,
and acid, and a bidentate chelating compound
    17.
    发明授权
    Olefin polymerization using a catalyst comprising a group VIIIB metal, and acid, and a bidentate chelating compound 失效
    使用包含第VIIIB族金属和酸的催化剂和二齿螯合化合物的烯烃聚合

    公开(公告)号:US5986027A

    公开(公告)日:1999-11-16

    申请号:US952210

    申请日:1997-11-06

    IPC分类号: C08F4/06 C08F4/80 C08F10/00

    CPC分类号: C08F10/00

    摘要: Polymers are obtainable by polymerizing olefinically unsaturated monomers in the presence of a catalyst system which comprises as active constituentsa) a salt of a metal of group VIII B of the Periodic Table of the Elements,b) one or more compounds selected from the group consisting of protic acids and Lewis acids,c) a chelating compound of the formula (I)R.sup.1 R.sup.2 E.sup.1 --Z--E.sup.2 R.sup.3 R.sup.4 (I)where the substituents and indices have the following meanings:E.sup.1, E.sup.2 are each an element from group VA of the Periodic Table of the Elements,Z is a bridging structural unit comprising one, two or three substructural units of elements of groups IVA, VA and VIA of the Periodic Table of the Elements,R.sup.1 to R.sup.4 are substituents selected from the group consisting of C.sub.1 -C.sub.20 -organic and C.sub.3 -C.sub.30 -organosilicon radicals, where the radicals may contain one or more elements of groups IVA, VA, VIA and VIIA of the Periodic Table of the Elements.

    摘要翻译: PCT No.PCT / EP96 / 01973。 371日期:1997年11月6日 102(e)日期1997年11月6日PCT提交1996年5月9日PCT公布。 第WO96 / 37523号公报 日期:1996年11月28日共聚物可通过在催化剂体系存在下聚合烯属不饱和单体获得,所述催化剂体系包含作为活性组分的a)元素周期表第ⅧB族金属的盐,b)一种或多种化合物 选自由质子酸和路易斯酸组成的组,c)式(I)R1R2E1-Z-E2R3R4(I)的螯合化合物,其中取代基和指数具有以下含义:E1,E2各自为一个元素 Z是包含元素周期表的IVA,VA和VIA族元素的一个,两个或三个亚单位的桥连结构单元,R1至R4是选自以下的取代基: 的C 1 -C 20有机和C 3 -C 30有机硅基团,其中基团可以含有元素周期表的IVA,VA,VIA和VIIA族的一种或多种元素。

    Carbon monoxide/olefin-copolymers
    19.
    发明授权
    Carbon monoxide/olefin-copolymers 失效
    一氧化碳/烯烃共聚物

    公开(公告)号:US5891989A

    公开(公告)日:1999-04-06

    申请号:US952203

    申请日:1997-11-06

    IPC分类号: C08G67/02

    CPC分类号: C08G67/02

    摘要: Copolymers of carbon monoxide and olefinically unsaturated compounds are obtainable by polymerization of the monomers in the presence of a metal complex of the formula (I) ##STR1## where the substituents and indices have the following meanings: M is a metal from group VIIIB of the Periodic Table of the Elements,E.sup.1, E.sup.2 are each an element from group VA of the Periodic Table of the Elements,Z is a structural unit having a bridging atom selected from among the elements of groups IVA, VA and VIA of the Periodic Table of the Elements,R.sup.1 to R.sup.4 are substituents selected from the group consisting of C.sub.1 -C.sub.20 -organic and C.sub.3 -C.sub.30 -organosilicon radicals, where at least one of the four radicals is a nonaromatic radical,L.sup.1, L.sup.2 are formally charged or uncharged ligandsX are formally monovalent or polyvalent anionsp is 0, 1 or 2m, n are 0, 1 or 2where p=m.times.n.

    摘要翻译: PCT No.PCT / EP96 / 01974 371日期:1997年11月6日 102(e)日期1997年11月6日PCT提交1996年5月9日PCT公布。 出版物WO96 / 37537 日期1996年11月28日一氧化碳和烯属不饱和化合物的共聚物可通过在式(I)金属络合物(I)的存在下聚合单体而获得,其中取代基和指数具有以下含义:M 是元素周期表第VIIIB族的金属,E1,E2各自是元素周期表第VA族的元素,Z是具有选自IVA族元素中的桥连原子的结构单元, VA和VIA,R 1至R 4为选自C 1 -C 20有机和C 3 -C 30 - 有机硅基团的取代基,其中四个基团中的至少一个为非芳族基团,L 1, L2是正电荷的或不带电的配体X是正式单价或多价阴离子p是0,1或2m,n是0,1或2,其中p = m×n。

    Process for Selectively preparing carboxylic acids by carbonylation of
olefins
    20.
    发明授权
    Process for Selectively preparing carboxylic acids by carbonylation of olefins 失效
    通过烯烃羰基化选择性制备羧酸的方法

    公开(公告)号:US5866716A

    公开(公告)日:1999-02-02

    申请号:US697377

    申请日:1996-08-23

    IPC分类号: C07C51/14 C07C53/122

    CPC分类号: C07C51/14

    摘要: A process for selectively preparing a carboxylic acid by reacting an olefin with carbon monoxide in the presence of at least an equimolar amount of water with respect to the olefin at a temperature of from 50.degree. to 150.degree. C. and a pressure of from 30 to 150 bar and also in the presence of a halogen-free catalyst system consisting of rhodium or a rhodium compound and at least one nitrogen-containing heterocyclic compound as a promoter

    摘要翻译: 一种通过使烯烃与一氧化碳在至少等摩尔量的水存在下相对于烯烃在50至150℃的温度和30至30℃的压力下选择性制备羧酸的方法 存在由铑或铑化合物和至少一种含氮杂环化合物作为助催化剂的无卤催化剂体系的存在下