Method for producing enol ethers
    3.
    发明授权
    Method for producing enol ethers 失效
    烯醇醚的制备方法

    公开(公告)号:US06211416B1

    公开(公告)日:2001-04-03

    申请号:US09424855

    申请日:1999-12-06

    Abstract: Enol ethers of the formula I where R1 is an aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radical which may carry further substituents which do not react with acetylenes or allenes, and the radicals R, independently of one another, are hydrogen or aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radicals, which may be bonded to one another to form a ring, and m is 0 or 1, are prepared by reacting an acetal or ketal of the formula II with an acetylene or allene of the formula III or IV where R and R1 have the abovementioned meanings, in the gas phase at elevated temperatures in the presence of a zinc- or cadmium- and silicon- and oxygen-containing heterogeneous catalyst.

    Abstract translation: 式I的烯醇醚,其中R 1是脂族,脂环族,芳脂族,芳族或杂环基团,其可以进一步携带不与炔或全烯反应的取代基,并且基团R彼此独立地为氢或脂族,脂环族, 芳族或芳族杂环基,其可以彼此结合形成环,并且m为0或1,通过使式II的缩醛或缩酮与式III或IV的炔或丙烯的反应来制备,其中R和 R1在具有锌或镉和含硅和含氧异相催化剂存在下的高温下在气相中具有上述含义。

    Method for producing carbonyl compounds
    4.
    发明授权
    Method for producing carbonyl compounds 失效
    生产羰基化合物的方法

    公开(公告)号:US6133482A

    公开(公告)日:2000-10-17

    申请号:US331063

    申请日:1999-06-16

    CPC classification number: C07C45/39 C07C45/38

    Abstract: In a process for preparing carbonyl compounds of the formula ##STR1## where R.sup.1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R.sup.2 is a hydrogen atom or a radical of the formula ##STR2## where R.sup.3 is a hydrogen atom or together with R.sup.4 is an oxygen atom, R.sup.4 is the radical OR.sup.6 or together with R.sup.3 is an oxygen atom, R.sup.5 is a hydrogen atom, an alkyl radical having from 1 to 8 carbon atoms or a cyclohexyl or cyclopentyl radical and R.sup.6 is an alkyl radical having from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical of the formula --CH.sub.2 --CHO or --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CHO, by gas-phase oxidation of methanol or alcohols of the formula ##STR3## where R.sup.1 and R.sup.5 are as defined above and R.sup.7 is a hydrogen atom or a radical OR.sup.8 and R.sup.8 is a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical for the formula --CH.sub.2 --CH.sub.2 --OH or --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CH.sub.2 --OH, using an oxygen-containing gas in the presence of copper- and/or silver-containing catalysts and an amount of a phosphorus compound which is volatile under the reaction conditions which is such that the amount of phosphorus (calculated as P) is up to 20 ppm, based on the weight of alcohol used, the phosphorus is introduced within the catalyst bed.

    Abstract translation: PCT No.PCT / EP97 / 06856 Sec。 371日期1999年6月16日第 102(e)日期1999年6月16日PCT 1997年12月23日PCT公布。 公开号WO98 / 28251 日期1998年7月2日在制备下式的羰基化合物的方法中,其中R 1是氢原子或具有1至3个碳原子的烷基,R 2是氢原子或下式的基团,其中R 3是氢原子 或与R4一起为氧原子,R4为基团OR6或与R3为氧原子一起,R5为氢原子,具有1至8个碳原子的烷基或环己基或环戊基,R6为烷基 具有1至4个碳原子的基团,环己基或环戊基或式-CH2-CHO或-CH2-CH2-O-CH2-CHO的基团,通过下式的甲醇或醇的气相氧化其中R1 R 5为氢原子或OR 8,R 8为氢原子,碳原子数为1〜4的烷基,环己基或环戊基或式-CH 2 -CH 2 - 的基团, OH或-CH 2 -CH 2 -O-CH 2 -CH 2 -OH,使用含铜气体在铜和/或银-co 在催化剂和一定量的磷化合物中,在反应条件下挥发的量为磷(根据P计算)高达20ppm,基于所使用的醇的重量,磷被引入催化剂 床。

    Addition reaction of hydroxy1-containing compounds with alkynes or
allenes
    5.
    发明授权
    Addition reaction of hydroxy1-containing compounds with alkynes or allenes 失效
    含羟基的化合物与炔或丙烯的加成反应

    公开(公告)号:US6120744A

    公开(公告)日:2000-09-19

    申请号:US97818

    申请日:1998-06-16

    CPC classification number: C07C41/54 B01J23/06 B01J37/0203 C07C41/06 C07C41/08

    Abstract: A process for preparing compounds of the formulae I and II ##STR1## where R.sup.1 and R have the meanings indicated in the specification by an addition reaction of a compound of the formula IIIR.sup.1 OH IIIwith an acetylene or allene of the formula IV or V ##STR2## in the gas phase at elevated temperatures in the presence of a heterogeneous catalyst. The catalyst is obtained by impregnating silica with a zinc salt, by a process in which the reaction is carried out at below 200.degree. C. and the catalyst contains, as an active component, an X-ray amorphous zinc silicate or cadmium silicate containing from 1 to 40% by weight, calculated as oxide, of zinc or cadmium, obtainable by applying a salt of zinc or cadmium and an inorganic oxo acid, which salt is decomposable at below 400.degree. C., to amorphous silica and forming the catalyst before the reaction at from 50 to 500.degree. C. or during the reaction in situ at from 50 to 200.degree. C. in the presence of a hydroxyl-containing compound such as water, alkanols of 1 to 6 carbon atoms, diols and polyols having 2 to 6 carbon atoms and 2 or 3 OH groups and low molecular weight carboxylic acids.

    Abstract translation: 制备式I和II化合物的方法,其中R1和R具有本说明书中通过式III的化合物R1OH III与乙炔或式IV或V的烯在气相中的加成反应所示的含义 在非均相催化剂存在下在升高的温度下进行。 通过在低于200℃下进行反应的方法,用锌盐浸渍二氧化硅得到催化剂,催化剂含有作为活性成分的X射线无定形硅酸锌或含有 以氧化物计的锌或镉1〜40重量%,可通过将该盐在低于400℃下分解的锌或镉和无机含氧酸盐与无定形二氧化硅反应而形成催化剂 在50至500℃的反应或在50-200℃下在含羟基的化合物如水,1至6个碳原子的链烷醇存在下的反应期间的反应,二醇和多元醇具有2 至6个碳原子和2或3个OH基团和低分子量羧酸。

    Method for producing carbonyl compounds
    6.
    发明授权
    Method for producing carbonyl compounds 失效
    生产羰基化合物的方法

    公开(公告)号:US6072087A

    公开(公告)日:2000-06-06

    申请号:US331068

    申请日:1999-06-16

    CPC classification number: C07C45/39 C07C45/38

    Abstract: The present invention relates to a process for the preparation of carbonyl compounds of the formula ##STR1## in which R.sup.1 denotes a hydrogen atom or an alkyl radical containing from 1 to 3 carbon atoms, R.sup.2 denotes a hydrogen atom or a radical of the formula ##STR2## in which R.sup.3 denotes a hydrogen atom or, together with R.sup.4, an oxygen atom, R.sup.4 denotes the radical OR.sup.6 or, together with R.sup.3, an oxygen atom, R.sup.5 denotes a hydrogen atom or an alkyl radical containing from 1 to 8 carbon atoms or a cyclohexyl or cyclopentyl radical, and R.sup.6 denotes an alkyl radical containing from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical of the formula--CH.sub.2 --CHO or --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CHO,by gas-phase oxidation of methanol or alcohols of the formula ##STR3## in which R.sup.1 and R.sup.5 have the meanings specified above and R.sup.7 denotes a hydrogen atom or a radical OR.sup.8, and R.sup.8 denotes a hydrogen atom, an alkyl radical containing from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical of the formula --CH.sub.2 --CH.sub.2 --OH or --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CH.sub.2 --OH, using an oxygen-containing gas in the presence of a (copper and/or silver)-containing catalyst and a phosphorus compound which is volatile under the conditions of the reaction and is present in an amount such that the weight of phosphorus (calculated as P), based on the weight of alcohol used, is not more than 20 ppm, wherein the amount of phosphorus used is divided into at least two portions, of whicha) the first portion is added together with the mixture of gaseous starting materials before this reaches the catalyst bed andb) at least one further portion is added within the catalyst bed.

    Abstract translation: PCT No.PCT / EP97 / 06855 Sec。 371日期1999年6月16日第 102(e)日期1999年6月16日PCT 1997年12月9日PCT公布。 WO98 / 28250 PCT出版物 日期:1998年7月2日本发明涉及制备式中羰基化合物的方法,其中R 1表示氢原子或含有1至3个碳原子的烷基,R 2表示氢原子或 式中R 3表示氢原子,或与R 4一起形成氧原子,R 4表示基团OR 6,或与R 3一起形成氧原子,R 5表示氢原子或含有1〜8个碳原子的烷基,或 环己基或环戊基,R6表示含有1至4个碳原子的烷基,环己基或环戊基或式-CH2-CHO或-CH2-CH2-O-CH2-CHO的基团, 其中R1和R5具有上述含义的甲醇或醇的相氧化,R7表示氢原子或OR8基,R8表示氢原子,含有1至4个碳原子的烷基,环己基 或环戊基或基团 使用含氧气体在含(铜和/或银)催化剂和挥发性的磷化合物的存在下,使用含氧气体,-CH2-CH2-OH或-CH2-CH2-O-CH2-CH2-OH 反应条件以使得基于所使用的醇的重量计算的磷重量(以P计)不超过20ppm的量存在,其中使用的磷的量被分成至少两个 部分,其中a)第一部分在气体原料混合物到达催化剂床之前一起加入,以及b)在催化剂床内加入至少另外一部分。

    Addition reaction of hydroxyl-containing compounds with alkynes or
allenes
    9.
    发明授权
    Addition reaction of hydroxyl-containing compounds with alkynes or allenes 失效
    含羟基的化合物与炔或丙烯的加成反应

    公开(公告)号:US6087538A

    公开(公告)日:2000-07-11

    申请号:US92059

    申请日:1998-06-05

    CPC classification number: B01J37/0203 B01J23/06 C07C41/06 C07C41/08 C07C41/54

    Abstract: Compounds of the formula I and II ##STR1## where R.sup.1 is hydrogen or an aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radical or an acyl radical, it being possible for these radicals to carry further substituents which do not react with acetylenes or allenes, and the radicals R, independently of one another, are hydrogen or aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radicals which may be linked to one another with formation of a ring and m is 0 or 1, are prepared by an addition reaction of a compound of the formula IIIR.sup.1 OH IIIwith an acetylene or allene of the formula IV or V ##STR2## where R.sup.1 and R have the abovementioned meanings, in the gas phase at elevated temperatures in the presence of a heterogeneous, silicate-containing catalyst, by a process in which the catalyst used contains, as an active component, an X-ray amorphous zinc silicate or cadmium silicate containing from 1 to 40% by weight, calculated as oxide, of zinc or cadmium and is obtainable by applying a zinc salt or cadmium salt of an organic acidic compound which is decomposable at below 400.degree. C., to an amorphous silica and forming the catalyst at from 50 to 500.degree. C., in the presence of a hydroxyl-containing compound selected from the group consisting of water, alkanols with up to 10 carbon atoms, diols and polyols having 2 to 6 carbon atoms and 2 or 3 OH groups and carboxylic acids of 1 to 6 carbon atoms.

    Abstract translation: 式I和II的化合物,其中R 1是氢或脂族,脂环族,芳脂族,芳族或杂环基或酰基,这些基团可能携带另外不与炔或炔反应的取代基和基团 R 2彼此独立地是氢或脂族,脂环族,芳脂族,芳族或杂环基团,其可以通过形成环而彼此连接并且m为0或1,其通过将化合物 式IIIR1OHIII具有式IV或V的乙炔或二烯,其中R1和R具有上述含义,在气相中,在非均相含硅酸盐催化剂存在下,在升高的温度下,通过所用催化剂包含的方法, 作为活性成分,含有以氧化物计为1〜40重量%的锌或镉的X射线无定形硅酸锌或铯硅酸盐,可通过应用 在低于400℃下可分解的有机酸性化合物的锌锌盐或镉盐加入到无定形二氧化硅中,并在50-500℃下,在含羟基化合物存在下,在选自 具有至多10个碳原子的链烷醇,具有2至6个碳原子的二醇和多元醇以及2或3个OH基团以及1至6个碳原子的羧酸组成的组。

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