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11 条记录 (耗时 0.017 秒)

    Liquid phase oxidation of unsaturated aldehydes to carboxylic acids with a bismuth catalyst
    1.
    发明授权
    Liquid phase oxidation of unsaturated aldehydes to carboxylic acids with a bismuth catalyst 失效
    用铋催化剂将不饱和醛的液相氧化成羧酸

    公开(公告)号：US4093649A

    公开(公告)日：1978-06-06

    申请号：US766112

    申请日：1977-02-07

    申请人： Jar-lin Kao ,  John Joseph Leonard

    发明人： Jar-lin Kao ,  John Joseph Leonard

    IPC分类号： C07C51/25 ,  C07C409/24 ,  C07C409/38 ,  C07C51/32 ,  C07C57/04 ,  C07C57/06 ,  C07C57/08

    CPC分类号： C07C51/252 ,  C07C407/00

    摘要： A process for the preparation of .alpha.,.beta.-unsaturated aliphatic carboxylic acids by the liquid phase oxidation of the corresponding .alpha.,.beta.-unsaturated aliphatic aldehyde, such as acrolein and methacrolein, and the in situ decomposition or conversion of unsaturated peroxy (peroxide) compounds formed during oxidation, which comprises passing air or oxygen through an inert organic solvent solution of the aldehyde at a suitable temperature and pressure in the presence of a catalytic amount of an organic or inorganic bismuth salt. Heterogeneous solvent systems employing mixtures of the organic solvent and water may be used.

    摘要翻译： 通过相应的α，β-不饱和脂族醛如丙烯醛和甲基丙烯醛的液相氧化制备α，β-不饱和脂肪族羧酸的方法，以及原位分解或转化不饱和过氧化物（过氧化物）化合物 在氧化期间形成，其包括在合适的温度和压力下，在催化量的有机或无机铋盐的存在下使空气或氧气通过醛的惰性有机溶剂溶液。 可以使用使用有机溶剂和水的混合物的非均相溶剂体系。

    Preparation of esters by the thermal decomposition of a bis(2-bromoalkyl)tellurium dicarboxylate compound
    2.
    发明授权
    Preparation of esters by the thermal decomposition of a bis(2-bromoalkyl)tellurium dicarboxylate compound 失效
    通过热分解双（2-溴烷基）碲二羧酸酯化合物制备酯

    公开(公告)号：US4260814A

    公开(公告)日：1981-04-07

    申请号：US59729

    申请日：1979-07-23

    申请人： Jar-lin Kao ,  Ming N. Sheng

    发明人： Jar-lin Kao ,  Ming N. Sheng

    IPC分类号： C07C395/00 ,  C07C67/00 ,  C07C69/14 ,  C07C69/24

    CPC分类号： C07C395/00 ,  C07C67/00

    摘要： A process for the preparation of bromoalkyl esters and vicinal glycol esters which comprises thermally decomposing at temperatures of from 100.degree. C. to 200.degree. C. a bis(2-bromoalkyl)tellurium dicarboxylate compound of the formula ##STR1## wherein at least one R is hydrogen or R is a methyl group and R' is hydrogen or an alkyl group having 1 to 3 carbon atoms in the presence of an aliphatic monocarboxylic acid selected from formic, acetic, propionic or butyric acid employed as solvent and to facilitate solvolysis in the reaction to give in addition to the bromoalkyl ester, the vicinal glycol ester. An inert acetonitrile solvent may be employed alone to give predominately the bromoalkyl ester or an admixture with the acid may be employed. Oxygen is preferably employed with the carboxylic acid solvent to provide an increase in the mole ratio of vicinal glycol ester to the bromoalkyl ester produced.

    摘要翻译： 一种制备溴烷基酯和连环二醇酯的方法，其包括在100℃至200℃的温度下分解式（II）的双（2-溴烷基）碲二羧酸酯化合物，其中至少一个R 是氢或R是甲基，R'是氢或具有1至3个碳原子的烷基，在脂肪族单羧酸的存在下，用作溶剂的甲酸，乙酸，丙酸或丁酸，并促进溶剂分解 反应得到除溴代烷基酯，邻位二醇酯外。 可以单独使用惰性乙腈溶剂，主要得到溴烷基酯或与酸的混合物。 优选与羧酸溶剂一起使用氧气以提供邻位二醇酯与所产生的溴代烷基酯的摩尔比的增加。

    Preparation of alkylene carbonates from alkylene iodohydrins
    3.
    发明授权
    Preparation of alkylene carbonates from alkylene iodohydrins 失效
    由亚烷基碘醇制备碳酸亚烷基酯

    公开(公告)号：US4231937A

    公开(公告)日：1980-11-04

    申请号：US937294

    申请日：1978-08-28

    申请人： Jar-lin Kao ,  Ming N. Sheng

    发明人： Jar-lin Kao ,  Ming N. Sheng

    IPC分类号： C07D317/36 ,  C07D317/38

    CPC分类号： C07D317/38 ,  C07D317/36

    摘要： A process for the preparation of alkylene carbonates having from 3 to 31 carbon atoms per molecule of the general formula ##STR1## which comprises reacting in the liquid phase the corresponding alkylene iodohydrin having from 2 to 30 carbon atoms per molecule with carbon dioxide in the presence of oxygen or an oxygen-containing gas and an effective amount of a catalytic mixture of(1) an iodide of the metals selected from groups IA, IB, IIA, IIB and VIII of the Periodic Table of Elements and(2) a carbonate of the metals selected from the groups IB, IIA, and IIB of the Periodic Table of Elements,at a temperature of from 30.degree. C. to 120.degree. C., and at a total carbon dioxide and oxygen pressure between about atmospheric and 1400 psig, at a pH value of between 3 and 10.

    摘要翻译： 一种制备每分子具有3至31个碳原子的碳酸亚烷基酯的方法，该通式包括在液相中使每分子具有2-30个碳原子的相应亚烷基碘醇与二氧化碳反应， 的氧气或含氧气体和有效量的（1）选自元素周期表的IA，IB，IIA，IIB和VIII族的金属的碘化物的催化混合物和（2）碳酸盐 选自元素周期表IB，IIA和IIB族的金属，温度为30℃至120℃，总二氧化碳和氧气压力约为大气压至1400psig， pH值在3和10之间。

    Tellurium catalyzed decomposition of peroxide intermediates resulting from the autoxidation of unsaturated aldehydes
    4.
    发明授权
    Tellurium catalyzed decomposition of peroxide intermediates resulting from the autoxidation of unsaturated aldehydes 失效
    碲化合物催化分解由不饱和醛自动氧化产生的过氧化物中间体

    公开(公告)号：US4124633A

    公开(公告)日：1978-11-07

    申请号：US820996

    申请日：1977-08-01

    申请人： John J. Leonard ,  Jar-lin Kao

    发明人： John J. Leonard ,  Jar-lin Kao

    IPC分类号： C07C51/25 ,  C07C409/24 ,  C07C409/38 ,  C07C51/32

    CPC分类号： C07C51/252 ,  C07C407/00

    摘要： A process for the preparation of acrylic acid or methacrylic acid which comprises catalytically decomposing or converting in the presence of tellurium the peroxide (peroxy) compounds contained in the oxidate solution derived from the autoxidation of acrolein or methacrolein, particularly, the conversion of permethacrylic acid and methacrolein monopermethacrylate to methacrylic acid.

    摘要翻译： 一种制备丙烯酸或甲基丙烯酸的方法，其包括在碲存在下催化分解或转化衍生自丙烯醛或异丁烯醛的自氧化的氧化物溶液中的过氧化物（过氧化物），特别是二氯甲基丙烯酸的转化和 甲基丙烯酸甲酯到甲基丙烯酸。

    Catalyzed decomposition of peroxide intermediates resulting from the autoxidation of acrolein or methacrolein
    5.
    发明授权
    Catalyzed decomposition of peroxide intermediates resulting from the autoxidation of acrolein or methacrolein 失效
    由丙烯醛或甲基丙烯醛自动氧化产生的过氧化物中间体的催化分解

    公开(公告)号：US4144399A

    公开(公告)日：1979-03-13

    申请号：US780564

    申请日：1977-03-23

    申请人： Ming N. Sheng ,  Jar-lin Kao

    发明人： Ming N. Sheng ,  Jar-lin Kao

    IPC分类号： C07C51/25 ,  C07C409/24 ,  C07C409/38 ,  C07C51/00 ,  C07C57/04

    CPC分类号： C07C51/252 ,  C07C407/00

    摘要： A process for the preparation of acrylic acid or methacrylic acid by the ruthenium and/or osmium catalyzed conversion of peroxide (peroxy) intermediate compounds, derived from the autoxidation of acrolein or methacrolein, to the corresponding .alpha.,.beta.-unsaturated carboxylic acid, particularly the conversion of permethacrylic acid and methacrolein monopermethacrylate to methacrylic acid.

    摘要翻译： 通过钌和/或锇催化转化来自丙烯醛或甲基丙烯醛自氧化的过氧化物（过氧）中间体化合物转化为相应的α，β-不饱和羧酸，特别是用于制备丙烯酸或甲基丙烯酸的方法， 甲基丙烯酸和甲基丙烯醛单甲基丙烯酸酯转化成甲基丙烯酸。

    Preparation of esters from organic bromo alkyl tellurium compounds
    9.
    发明授权
    Preparation of esters from organic bromo alkyl tellurium compounds 失效
    从有机溴烷基碲化合物制备酯

    公开(公告)号：US4258208A

    公开(公告)日：1981-03-24

    申请号：US59730

    申请日：1979-07-23

    申请人： Jar-lin Kao ,  Ming N. Sheng

    发明人： Jar-lin Kao ,  Ming N. Sheng

    IPC分类号： C07C67/00 ,  C07C69/14 ,  C07C69/24

    CPC分类号： C07C67/00

    摘要： A process for the preparation of 2-bromoalkyl esters and vicinal glycol esters which comprises thermally decomposing at temperatures of from 100.degree. C. to 200.degree. C. an organic bromoalkyl tellurium compound selected from 2-bromoalkyltellurium tribromide or bis(2-bromoalkyl)tellurium dibromide, wherein the alkyl group is ethyl, propyl or butyl, in a carboxylic acid having from 1 to 4 carbon atoms which is employed as solvent as well as to supply the ester moiety to the esters produced. The esters may be converted to the respective glycol with water or an aqueous base.

    摘要翻译： 一种制备2-溴烷基酯和邻二醇酯的方法，其包括在100℃至200℃的温度下热分解。选自2-溴代三溴化碲或二（2-溴烷基）碲的有机溴烷基碲化合物 二溴化物，其中烷基是乙基，丙基或丁基，在具有1至4个碳原子的羧酸中用作溶剂，以及将酯部分供应到所生产的酯上。 酯可以用水或碱水溶液转化成相应的二醇。

    Preparation of alkylene carbonates from olefins
    10.
    发明授权
    Preparation of alkylene carbonates from olefins 失效
    从烯烃制备碳酸亚烷基酯

    公开(公告)号：US4224223A

    公开(公告)日：1980-09-23

    申请号：US68997

    申请日：1979-08-23

    申请人： Gregory A. Wheaton ,  Jar-lin Kao ,  Ming N. Sheng

    发明人： Gregory A. Wheaton ,  Jar-lin Kao ,  Ming N. Sheng

    IPC分类号： C07C29/03 ,  C07C29/64 ,  C07C29/66 ,  C07C45/00 ,  C07C45/35 ,  C07C49/00 ,  C07C67/00 ,  C07D301/02 ,  C07D303/04 ,  C07D317/36 ,  C07D317/38

    CPC分类号： C07C45/35 ,  C07C29/03 ,  C07C29/64 ,  C07C29/66 ,  C07D301/02 ,  C07D317/36

    摘要： A process for the preparation of a cyclic alkylene carbonate ester which comprises reacting in a liquid phase a cyclic or linear olefin having from 2 to 15 carbon atoms with carbon dioxide at a temperature of from 50 to 160.degree. C., at a total pressure of from 200 to about 2,000 psig and a pH value of between about 4 and 8, in the presence of oxygen or an oxygen-containing gas and a catalytic amount of a mixture of (a) iodine or an iodide of a metal selected from Groups IA, IB, IIA, IIB, VB, VIIB and VIII of the Periodic Table of Elements and (b) a catalytic iron compound, copper compound of mixture thereof deposited on an inert supporting material, and recovering resulting cyclic alkylene carbonate ester.

    摘要翻译： 一种制备环状碳酸亚烷基酯的方法，该方法包括在液相中将具有2至15个碳原子的环状或线性烯烃与二氧化碳在50至160℃的温度下反应， 从约200psi至约2000psig，pH值为约4-8，在氧气或含氧气体和催化量的（a）碘或选自IA组中的金属碘化物的混合物 ，IB，IIA，IIB，VB，VIIB和VIII和（b）催化铁化合物，沉积在惰性负载材料上的混合物的铜化合物，并回收所得环状碳酸亚烷基酯。