Preparation of amines by reductive amination using zeolite catalyst
    32.
    发明授权
    Preparation of amines by reductive amination using zeolite catalyst 失效
    使用沸石催化剂通过还原胺化制备胺

    公开(公告)号:US5290932A

    公开(公告)日:1994-03-01

    申请号:US969730

    申请日:1992-10-30

    CPC分类号: C07D295/023

    摘要: Amines of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl, C.sub.7 -C.sub.20 -aralkyl or a heterocyclic radical and n is an integer of from 3 to 7, are prepared by a process in which a ketone of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, is reacted with a cyclic amine of the general formula III ##STR3## where n has the abovementioned meanings, in the presence of a zeolite and/or SiO.sub.2 having a zeolite structure and/or a phosphate and/or a phosphate having a zeolite structure as catalysts at from 50.degree. to 500.degree. C. and from 0.01 to 50 bar.

    摘要翻译: 其中R 1和R 2各自为C 1 -C 20 - 烷基,C 3 -C 20 - 环烷基,C 4 -C 20 - 烷基环烷基,C 4 -C 20 - 环烷基烷基,芳基,C 7 -C 20 - 烷基芳基, C7-C20芳烷基或杂环基,n为3至7的整数,通过其中R1和R2具有上述含义的通式II的酮(II)的酮是 与具有沸石结构的沸石和/或具有沸石结构的SiO 2和/或具有沸石的磷酸盐和/或磷酸盐存在下,通式III(III)的环胺反应,其中n具有上述含义 结构为50至500℃和0.01至50巴的催化剂。

    Conversion of 1,3-dioxanes to 4-oxaaldehydes
    33.
    发明授权
    Conversion of 1,3-dioxanes to 4-oxaaldehydes 失效
    1,3-二恶烷转化为4-氧杂醛

    公开(公告)号:US5012005A

    公开(公告)日:1991-04-30

    申请号:US385925

    申请日:1989-07-27

    摘要: 4-oxaaldehydes of the formula ##STR1## are prepared by catalytic isomerization of 1,3-dioxanes by a process in which a 1,3-dioxane of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.4 and R.sup.5 are identical or different and are each hydrogen, a straight-chain or branched alkyl, alkenyl or alkynyl radical of not more than 18 carbon atoms, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, aralkyl, aralkenyl or alkenylaryl radical of 5 to 16 carbon atoms or a heterocyclic radical and furthermore R.sup.1 and R.sup.2 and/or R.sup.4 and R.sup.5 together with the carbon atoms to which they are bonded may form a cycloalkane, a cycloalkene or a heterocyclic structure, and the stated radicals may furthermore carry substituents which are inert under the reaction conditions, and R.sup.3 is hydrogen or straight-chain or branched alkyl, is isomerized using a metal oxide catalyst, which has been treated with an acid, and/or a silica phase having a zeolite structure.

    摘要翻译: 通过其中R1,R2,R4和R5是相同或不同的式“IMAGE”的1,3-二恶烷的方法,通过1,3-二恶烷的催化异构化制备式“IMAGE”的4-氧代醛, 各自为氢,不超过18个碳原子的直链或支链烷基,烯基或炔基,5至8个碳原子的环烷基或环烯基,芳基,烷基芳基,芳烷基,芳烯基或链烯基芳基,其5至 16个碳原子或杂环基团,此外,R 1和R 2和/或R 4和R 5与它们所键合的碳原子一起可以形成环烷烃,环烯烃或杂环结构,并且所述基团还可以具有取代基, 使用已用酸处理的金属氧化物催化剂和/或具有沸石结构的二氧化硅相异构化在反应条件下惰性的R 3为氢或直链或支链烷基。

    Preparation of olefinically unsaturated carboxylic esters having a
terminal ester group
    34.
    发明授权
    Preparation of olefinically unsaturated carboxylic esters having a terminal ester group 失效
    具有末端酯基的烯属不饱和羧酸酯的制备

    公开(公告)号:US4999453A

    公开(公告)日:1991-03-12

    申请号:US337867

    申请日:1989-04-14

    摘要: Olefinically unsaturated carboxylic esters having a terminal ester group and of the general formulae Ia and IbR.sup.1 --CH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.r--1 --COOR.sup.2 (Ia)R.sup.1 --CH.dbd.CH--(CH.sub.2).sub.r --COOR.sup.2 (Ib)and, if desired, further double bond isomers, where R.sup.1 is hydrogen or an organic radical, R.sup.2 is C.sub.1 -C.sub.8 -alkyl and r is from 1 to 20, are prepared by a process in which an .alpha.-substituted .alpha.,.omega.-(n-alkylenedicarboxylic ester) of the general formula II ##STR1## where R.sup.1 and R.sup.2 and r have the abovementioned meanings and R.sup.3 is C.sub.1 -C.sub.8 -alkyl, is converted over an acidic heterogeneous catalyst at from 150.degree. to 800.degree. C. and under from 0.01 to 50 bar.

    摘要翻译: 具有末端酯基和通式Ia和Ib的烯属不饱和羧酸酯R1-CH2-CH = CH-(CH2)r-1-COOR2(Ia)R1-CH = CH-(CH2)r-COOR2(Ib ),并且如果需要,其中R 1是氢或有机基团的另外的双键异构体,R 2是C 1 -C 8 - 烷基,r是1至20,是通过以下方法制备的,其中α-取代的α,ω- 其中R 1和R 2和r具有上述含义,并且R 3是C 1 -C 8烷基的通式II(II)的(正 - 亚烷基二羧酸酯)在150至800℃的酸性非均相催化剂上转化 在0.01至50巴之间。

    Preparation of tetrahydrofurans from butane-1,4-diols
    36.
    发明授权
    Preparation of tetrahydrofurans from butane-1,4-diols 失效
    从丁烷-1,4-二醇制备四氢呋喃

    公开(公告)号:US4904806A

    公开(公告)日:1990-02-27

    申请号:US251391

    申请日:1988-09-30

    IPC分类号: C07D307/06

    CPC分类号: C07D307/06

    摘要: Tetrahydrofurans are prepared in the gas phase from butane-1,4-diols which may be substituted by alkyl, alkenyl and/or aryl radicals in the carbon skeleton. The reaction is carried out in the presence of a borosilicate and/or iron silicate zeolite, preferably of the pentasil type, as catalyst.Other catalysts which may be used are zeolites doped with alkali metals and/or alkaline earth metals and/or transition metals and/or rare earth metals and/or noble metals.

    摘要翻译: 四氢呋喃在气相中由丁烷-1,4-二醇制备,其可以在碳骨架中被烷基,烯基和/或芳基取代。 该反应在硼硅酸盐和/或铁硅酸盐沸石(优选pentasil型)作为催化剂的存在下进行。 可以使用的其它催化剂是掺杂有碱金属和/或碱土金属和/或过渡金属和/或稀土金属和/或贵金属的沸石。

    Alkali-free preparation of large pentasil crystals as coated catalysts
and fully crystalline catalysts
    38.
    发明授权
    Alkali-free preparation of large pentasil crystals as coated catalysts and fully crystalline catalysts 失效
    作为涂层催化剂和完全结晶的催化剂,大型pentasil晶体的无碱制备

    公开(公告)号:US4871701A

    公开(公告)日:1989-10-03

    申请号:US235620

    申请日:1988-08-24

    摘要: Pentasil coated catalysts and fully crystalline catalysts in which the individual pentasil crystals are larger than 5 .mu.m are prepared by hydrothermal treatment of SiO.sub.2 by a process in which the SiO.sub.2 moldings are subjected to a hydrothermal treatment at from 140.degree. to 220.degree. C. in an alkali-free mixture of water, an amine and/or a tetraalkylammonium compound, with or without ammonia. The aluminum component for the preparation of an aluminosilicate zeolite can be kneaded into the SiO.sub.2 moldings or fed in via the liquid phase during the hydrothermal treatment. The tetraalkylammonium compound used can be a tetra-n-propyl-ammonium salt or hydroxide.

    摘要翻译: 五面体涂层催化剂和其中单个五面体晶体大于5μm的完全结晶催化剂是通过水热处理SiO 2的方法制备的,其中SiO 2模制品在140℃至220℃下进行水热处理 水,胺和/或四烷基铵化合物的无碱混合物,具有或不具有氨。 用于制备铝硅酸盐沸石的铝组分可以在水热处理期间被捏合成SiO 2模制品或通过液相进料。 所用的四烷基铵化合物可以是四正丙基铵盐或氢氧化物。

    Preparation of cyclopentanone
    39.
    发明授权
    Preparation of cyclopentanone 失效
    环戊酮的制备

    公开(公告)号:US4822920A

    公开(公告)日:1989-04-18

    申请号:US116879

    申请日:1987-11-05

    IPC分类号: B01J29/04 B01J29/40 C07C45/48

    CPC分类号: B01J29/40 B01J29/04 C07C45/48

    摘要: Cyclopentanone is prepared from adipic esters by reacting adipic esters of the formulaR.sup.1 OOC--(CH.sub.2).sub.4 --COOR.sup.2where R.sup.1 and R.sup.2 are alkyl of 1 to 12 carbon atoms, cycloalkyl of 5 or 6 carbon atoms, aralkyl or aryl and R.sup.2 can additionally be hydrogen, in the gas or liquid phase at from 150.degree. C. to 450.degree. C. in the presence of zeolitic catalysts and/or phosphate catalysts, preferably zeolites of the pentasil type.

    摘要翻译: 环己酮由己二酸酯通过使式R1OOC-(CH2)4-COOR2的己二酸酯反应制备,其中R 1和R 2是1至12个碳原子的烷基,5或6个碳原子的环烷基,芳烷基或芳基, 氢气,在沸石催化剂和/或磷酸盐催化剂存在下,在150℃至450℃的气相或液相中,优选为pentasil型沸石。

    Preparation of 1,4-diazabicyclo[2.2.2]octanes
    40.
    发明授权
    Preparation of 1,4-diazabicyclo[2.2.2]octanes 失效
    制备1,4-二氮杂双环[2.2.2]辛烷

    公开(公告)号:US4804758A

    公开(公告)日:1989-02-14

    申请号:US105537

    申请日:1987-10-08

    IPC分类号: C07D487/08

    CPC分类号: C07D487/08 Y02P20/582

    摘要: 1,4-Diazabicyclo[2.2.2]octane and C-substituted 1,4-diazabicyclo[2.2.2]octanes of the formula (I) ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl or alkenyl, each of 1 to 4 carbon atoms, are prepared from a heterocyclic amine of the formula (II) ##STR2## where R.sup.1 and R.sup.2 have the above meanings, R.sup.3 is hydrogen, hydroxyethyl or aminoethyl and X is hydroxyl or amino, in the presence of borosilicate and/or iron silicate zeolites as catalysts. Particularly suitable catalysts are the borosilicate and iron silicate zeolites of the pentasil type.

    摘要翻译: 式(I)的1,4-二氮杂双环[2.2.2]辛烷和C-取代的1,4-二氮杂双环[2.2.2]辛烷其中R 1和R 2各自为氢或烷基或链烯基, 每个1-4个碳原子由式(II)的杂环胺制备,其中R 1和R 2具有上述含义,R 3是氢,羟乙基或氨基乙基,X是羟基或氨基,在 硼硅酸盐和/或铁硅酸盐沸石作为催化剂的存在。 特别合适的催化剂是pentasil型的硼硅酸盐和硅酸铁沸石。