Process for producing acetic acid
    2.
    发明授权
    Process for producing acetic acid 失效
    生产乙酸的方法

    公开(公告)号:US5344972A

    公开(公告)日:1994-09-06

    申请号:US400106

    申请日:1982-07-20

    CPC分类号: C07C51/353

    摘要: There is disclosed a process for producing acetic acid in which methyl formate is isomerized into acetic acid with a catalyst containing at least one of Pd, Ru and Ir, at least one compound of said metals or a mixture thereof, and a promoter of a halide compound in the presence of carbon monoxide. This process can be carried out under mild reaction conditions and acetic acid is obtained in high yield.

    摘要翻译: 公开了一种生产乙酸的方法,其中甲酸甲酯与含有Pd,Ru和Ir中至少一种的催化剂异构化成乙酸,至少一种所述金属或其混合物的化合物和卤化物的助催化剂 化合物在一氧化碳存在下。 该方法可以在温和的反应条件下进行,并以高产率获得乙酸。

    Process for producing vinyl acetate
    4.
    发明授权
    Process for producing vinyl acetate 失效
    乙酸乙烯酯的制造方法

    公开(公告)号:US4843170A

    公开(公告)日:1989-06-27

    申请号:US466653

    申请日:1983-02-15

    摘要: A process is disclosed for producing vinyl acetate from methanol, carbon monoxide and hydrogen which comprises the following five steps:(a) methanol is hydrocarbonylated in a hydrocarbonylation zone to produce ethanol, acetaldehyde, methyl acetate and dimethylacetal, and the products are separated in a separation zone;(b) methyl acetate is carbonylated in a carbonylation zone to produce acetic anhydride;(c) the acetaldehyde and dimethylacetal produced in the step (a) and the acetic anhydride produced in the step (b) are converted to ethylidene diacetate and methyl acetate; (d) the ethylidene diacetate produced in the step (c) is thermally decomposed to vinyl acetate and acetic acid, and the products are separated in a separation zone; and(e) the methyl acetate produced and separated in the step (a), (c) or (d) is supplied to the carbonylation step (b).

    摘要翻译: 公开了一种从甲醇,一氧化碳和氢气生产乙酸乙烯酯的方法,其包括以下五个步骤:(a)在烃基化区域中甲醇被烃化生成乙醇,乙醛,乙酸甲酯和二甲基缩醛,并将产物分离成 分离区; (b)乙酸甲酯在羰基化区羰基化,生成乙酸酐; (c)将步骤(a)中生成的乙醛和二甲基缩醛和步骤(b)中生产的乙酸酐转化为乙二乙酸乙酯和乙酸甲酯; (d)将步骤(c)中生产的亚乙基双乙酸酯热分解成乙酸乙烯酯和乙酸,并将产物在分离区中分离; 和(e)在步骤(a),(c)或(d)中产生和分离的乙酸甲酯被供应到羰基化步骤(b)。

    Process for producing ethylidenediacetate
    5.
    发明授权
    Process for producing ethylidenediacetate 失效
    乙二乙酸乙酯的制备方法

    公开(公告)号:US4659865A

    公开(公告)日:1987-04-21

    申请号:US636067

    申请日:1984-07-30

    CPC分类号: C07C67/36 C07C67/37

    摘要: A process for producing ethylidenediacetate which comprises reacting methyl acetate or dimethyl ether, carbon monoxide and hydrogen in the presence of catalyst comprising as a secondary-component at least one material selected from the group consisting of, iodides and bromides and as a main component combination of (1) at least one material selected from the group consisting of nickel and nickel compounds, at least one material selected from the group consisting of cobalt and cobalt compounds under substantially anhydrous conditions is disclosed. According to the present invention synthesis of ethylidenediacetate is achieved by using a cheaper catalyst than the prior catalyst.

    摘要翻译: 制备亚乙基二乙酸酯的方法,其包括在催化剂存在下使乙酸甲酯或二甲醚,一氧化碳和氢气反应,所述催化剂包含作为次要组分的至少一种选自碘化物和溴化物的材料,并且作为主要组分 (1)公开了在基本无水条件下选自镍和镍化合物,至少一种选自钴和钴化合物的材料中的至少一种材料。 根据本发明,通过使用比现有催化剂更便宜的催化剂来实现亚乙基二乙酸酯的合成。

    Process for producing acetic anhydride
    6.
    发明授权
    Process for producing acetic anhydride 失效
    生产乙酸酐的方法

    公开(公告)号:US4556519A

    公开(公告)日:1985-12-03

    申请号:US568526

    申请日:1984-01-06

    IPC分类号: C07C51/54 C07C51/56

    CPC分类号: C07C51/54 C07C51/56

    摘要: A process for producing acetic anhydride which comprises reacting methyl acetate or dimethyl ether with carbon monoxide in the presence of a catalyst comprising (a) nickel or a nickel compound and (b) at least one halide selected from the group consisting of bromides, iodides and mixtures thereof, and together with a specific co-catalyst which is disclosed. According to this invention acetic anhydride is produced by using highly active non-expensive catalyst and co-catalyst.

    摘要翻译: 一种生产乙酸酐的方法,其包括使乙酸甲酯或二甲醚与一氧化碳在催化剂存在下反应,所述催化剂包含(a)镍或镍化合物和(b)至少一种选自溴化物,碘化物和 并且与所公开的特定助催化剂一起。 根据本发明,通过使用高活性非昂贵的催化剂和助催化剂制备乙酸酐。

    Process for preparing carboxylic acid anhydrides
    7.
    发明授权
    Process for preparing carboxylic acid anhydrides 失效
    制备羧酸酐的方法

    公开(公告)号:US4239698A

    公开(公告)日:1980-12-16

    申请号:US949853

    申请日:1978-10-10

    CPC分类号: C07C51/10

    摘要: A process for preparing a carboxylic acid anhydride by reacting an aliphatic carboxylic acid ester or an ether with carbon monoxide in the presence of elemental nickel or a nickel compound, iodine or an iodine compound and an organic compound of a trivalent nitrogen-group element; wherein said iodine or iodine compound is selected from the following formulae (I) to (IV),RX.sub.n (I)wherein R represents a hydrogen atom or an alkyl or alkylene group, X represents an iodine or bromine atom, n represents an integer of 1 to 3, and at least one of n X's is an iodine atom,I.sub.2 or I.sub.3.sup.- (II)RCOI (III)wherein R represents an alkyl group, andMI.sub.2 (IV)wherein M represents an alkaline earth metal, and is used in an amount such that the free iodine or iodine compound not chemically combined with said nickel or nickel compound or with said organic compound of a nitrogen-group element is present in an amount of at least 0.2 mole, as elemental iodine, per mole of each of said nitrogen-group element compound and said nickel or nickel compound, and wherein the reaction is carried out in the presence of an aliphatic carboxylic acid solvent.

    摘要翻译: 在元素镍或镍化合物,碘或碘化合物和三价氮基元素的有机化合物存在下,使脂族羧酸酯或醚与一氧化碳反应制备羧酸酐的方法; 其中所述碘或碘化合物选自下式(I)至(IV),RXn(I)其中R表示氢原子或烷基或亚烷基,X表示碘或溴原子,n表示整数 1至3,并且n X中的至少一个为碘原子,I 2或I 3 - (II)R COI(III)其中R表示烷基,MI 2(IV)其中M表示碱土金属,并且使用 其量使得不与所述镍或镍化合物或所述有机化合物与氮基元素化学结合的游离碘或碘化合物以每摩尔每摩尔至少0.2摩尔的元素碘的量存在,作为元素碘 的所述氮族元素化合物和所述镍或镍化合物,并且其中所述反应在脂族羧酸溶剂的存在下进行。

    Process for producing carboxylic acids and/or esters thereof
    8.
    发明授权
    Process for producing carboxylic acids and/or esters thereof 失效
    制备羧酸和/或其酯的方法

    公开(公告)号:US4336399A

    公开(公告)日:1982-06-22

    申请号:US205591

    申请日:1980-11-10

    摘要: A process for producing a carboxylic acid and/or its ester, which comprises reacting an alcohol or ether with carbon monoxide in the presence of elemental nickel or a nickel compound, iodine or an iodine compound and an organic compound of a trivalent nitrogen-group element; wherein the iodine or iodine compound is selected from the following formulae (I) to (IV),RX.sub.n (I)wherein R represents a hydrogen atom or an alkyl or alkylene group, X represents an iodine or bromine atom, and n is an integer of 1 to 3, at least one of n.multidot.X's being an iodine atom,I.sub.2 or I.sub.3 - (II)RCOI (III)wherein R represents an alkyl group,MI.sub.2 (IV)wherein M represents an alkaline earth metal, and the amount of the iodine or iodine compound is such that the amount of the free iodine or iodine compound not chemically bonded to the nickel or nickel compound or the organic compound of a nitrogen-group element is at least 0.2 mole as elemental iodine per mole of each of the nitrogen-group element compound and the nickel or nickel compound.

    摘要翻译: 一种制备羧酸和/或其酯的方法,其包括在元素镍或镍化合物,碘或碘化合物和三价氮基元素的有机化合物存在下使醇或醚与一氧化碳反应 ; 其中所述碘或碘化合物选自下式(I)至(IV),其中R表示氢原子或烷基或亚烷基的RXn(I),X表示碘或溴原子,n为整数 为1〜3,nxX为碘原子中的至少1种,I 2 - 或I 3 - (II)RCOI(III),其中R为烷基,MI2(Ⅳ)其中M为碱土金属, 碘或碘化合物使得未化学键合到镍或镍化合物或氮基元素的有机化合物的游离碘或碘化合物的量为每摩尔氮中的元素碘至少0.2摩尔 - 元素化合物和镍或镍化合物。

    Process for producing carboxylic acids or esters thereof
    9.
    发明授权
    Process for producing carboxylic acids or esters thereof 失效
    制备羧酸或其酯的方法

    公开(公告)号:US4212989A

    公开(公告)日:1980-07-15

    申请号:US955411

    申请日:1978-10-26

    CPC分类号: C07C51/12

    摘要: In a process for producing a carboxylic acid or its ester by reacting an alcohol or an ether with carbon monoxide, the improvement wherein the reaction is performed in the presence of, as a solvent, an aryl ester of an aliphatic carboxylic acid represented by the formula ##STR1## wherein n is an integer of 1 to 5, R.sub.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl or alkenyl, and R.sub.2 represents hydrogen, alkyl, aryl, alkenyl, hydroxymethyl, acyl, acyloxy, formyl, carboxy, hydroxy, halogen, sulfo, nitro, nitroso, amino, acid amide or cyano, and two or more R.sub.2 groups may be the same or different, and the substituents R.sub.2 may be bonded to each other to form a penta- or hexa-carbocyclic or heterocyclic ring.

    摘要翻译: 在通过醇或醚与一氧化碳反应制备羧酸或其酯的方法中,其中反应在作为溶剂存在下由式(I)表示的脂族羧酸的芳基酯进行, 其中n为1〜5的整数,R1表示氢或C1-C4烷基或烯基,R2表示氢,烷基,芳基,烯基,羟甲基,酰基,酰氧基,甲酰基,羧基,羟基,卤素,磺基 ,硝基,亚硝基,氨基,酰胺或氰基,两个或更多个R 2基可以相同或不同,并且取代基R 2可以彼此键合形成五 - 或六碳环或杂环。

    Process for producing carboxylic acids
    10.
    发明授权
    Process for producing carboxylic acids 失效
    制备羧酸的方法

    公开(公告)号:US4620033A

    公开(公告)日:1986-10-28

    申请号:US697696

    申请日:1985-02-04

    IPC分类号: C07C51/12 C07C53/08

    CPC分类号: C07C51/12

    摘要: A process for producing a carboxylic acid which comprises reacting a hydrocarbyl alcohol with carbon monoxide in the presence of a metal catalyst selected from nickel or cobalt, a halide and a specific promoter is disclosed. According to the present invention, formation rate of carboxylic acid is high.

    摘要翻译: 公开了一种制备羧酸的方法,其包括在选自镍或钴的金属催化剂,卤化物和特定助催化剂的存在下使烃基醇与一氧化碳反应。 根据本发明,羧酸的生成速度高。