Manufacture of pent-3-enoic acid and its alkyl esters
    1.
    发明授权
    Manufacture of pent-3-enoic acid and its alkyl esters 失效
    戊-3-烯酸及其烷基酯的制备

    公开(公告)号:US4550195A

    公开(公告)日:1985-10-29

    申请号:US295088

    申请日:1981-08-21

    CPC分类号: C07C51/14

    摘要: A process for the manufacture of pent-3-enoic acid and its alkyl esters, of the general formulaCH.sub.3 --CH.dbd.CH--CH.sub.2 --CO--ORwhere R is hydrogen or alkyl of 1 to 4 carbon atoms, comprising carbonylating butadiene with carbon monoxide and a compound ROH at from 300 to 1,000 bars CO pressure and from 100.degree. to 160.degree. C. in the presence of cobalt catalysts and nitrogen bases, wherein C.sub.4 cuts are used as starting materials and a tertiary amine having a pK.sub.A of from 3 to 11 is used as the nitrogen base. The pent-3-enoic acid or alkyl esters produced may be used for the manufacture of adipic acid or its alkyl esters, which compounds are starting materials for the manufacture of nylons.

    摘要翻译: 制备通式为CH 3 -CH = CH-CH 2 -CO-OR的戊-3-烯酸及其烷基酯的方法,其中R是氢或1至4个碳原子的烷基,其包括将碳酸丁二烯与碳 在钴催化剂和氮碱的存在下,在300至1,000巴CO压力和100至160℃下进行一氧化碳和化合物ROH,其中使用C4馏分作为起始原料,并使用pKA为3的叔胺 至11为氮基。 所制备的戊-3-烯酸或烷基酯可用于制造己二酸或其烷基酯,该化合物是用于制造尼龙的起始原料。

    Isolation and regeneration of rhodium-containing catalysts from
distillation residues of hydroformylation reactions
    2.
    发明授权
    Isolation and regeneration of rhodium-containing catalysts from distillation residues of hydroformylation reactions 失效
    从加氢甲酰化反应的蒸馏残余物中分离和再生含铑催化剂

    公开(公告)号:US4113754A

    公开(公告)日:1978-09-12

    申请号:US780297

    申请日:1977-03-23

    摘要: The isolation and regeneration of catalysts of type I or IIclRh(CO)(PR.sub.3).sub.2 Ihrh(CO)(PR.sub.3).sub.3 II,where the R's are identical or different hydrocarbon radicals, to give the catalysts in a pure form, is effected by regenerating aqueous rhodium salt solutions, as obtained on treating distillation residues of hydroformylation mixtures with oxygen-containing mineral acids and peroxides, by a method wherein the said aqueous rhodium salt solutions are treated with a cation exchanger, the latter is then separated from the solution, the absorbed rhodium ions are desorbed with hydrochloric acid, the hexachlororhodate solutions, containing hydrochloric acid, are reacted, in the presence of a water-soluble organic solvent and a tertiary phosphine PR.sub.3, with carbon monoxide, or with compounds which eliminate carbon monoxide, at from 0.degree. to 150.degree. C and from 1 to 5 bars, and the resulting complexes I or, if the process is carried out under hydrogenating conditions, the resulting complexes II, are separated off.

    摘要翻译: 分离和再生I或II型ClRh(CO)(PR3)2I HRh(CO)(PR3)3II的催化剂,其中R是相同或不同的烃基,得到纯形式的催化剂,是通过 通过其中所述水合铑盐溶液用阳离子交换剂处理的方法,在用含氧无机酸和过氧化物处理加氢甲酰化混合物的蒸馏残余物时获得的再生铑水溶液溶液,然后将该铑盐溶液与溶液分离, 吸收的铑离子用盐酸解吸,含有盐酸的六氯乙酸溶液在水溶性有机溶剂和叔膦PR3存在下与一氧化碳或与一氧化碳消除的化合物反应, 0至150℃和1至5巴,所得的络合物I或如果该方法在氢化条件下进行,则得到的络合物II为sepa 评分。

    Manufacture of methacrylic acid and butyrolactone
    3.
    发明授权
    Manufacture of methacrylic acid and butyrolactone 失效
    甲基丙烯酸和丁内酯的制造

    公开(公告)号:US3980670A

    公开(公告)日:1976-09-14

    申请号:US552734

    申请日:1975-02-25

    摘要: Methacrylic acid and butyrolactone are manufactured by hydroformylation of allyl esters of lower carboxylic acids in the presence of rhodium catalysts and inert organic solvents, followed by oxidation of the resulting formyl compounds with molecular oxygen (e.g. with air) in the presence of lower fatty acids, without prior removal of the rhodium catalysts, and elimination of the carboxylic acid from the acyloxybutyric acids formed, at from 150.degree. to 500.degree.C, using catalysts such as aluminum oxide, silicates or active charcoal.

    摘要翻译: 甲基丙烯酸和丁内酯是通过在铑催化剂和惰性有机溶剂的存在下将低级羧酸的烯丙酯加氢甲酰化,然后在低级脂肪酸存在下用分子氧(例如与空气)氧化得到的甲酰基化合物来制备的, 没有事先去除铑催化剂,并且使用催化剂如氧化铝,硅酸盐或活性炭,在150℃至500℃下从形成的酰氧基丁酸中除去羧酸。

    Preparation of butanedicarboxylic acid esters
    5.
    发明授权
    Preparation of butanedicarboxylic acid esters 失效
    丁烷二羧酸酯的制备

    公开(公告)号:US4258203A

    公开(公告)日:1981-03-24

    申请号:US58944

    申请日:1979-07-19

    CPC分类号: C07C67/38

    摘要: Multistep process for the preparation of butanedicarboxylic acid by the hydrogenation of carbon monoxide under pressure in the presence of a cobalt carbonyl catalyst, the improvement of heating at a temperature of 250.degree. to 350.degree. C. under superatmospheric pressure the resulting aqueous solution of cobalt carbonyl hydride that has been extracted with butadiene or with mixtures thereof before using in a subsequent step of the multistep process.

    摘要翻译: 通过在羰基钴催化剂存在下加压一氧化碳制备丁烷二羧酸的多步法,在超大气压下在250℃至350℃的温度下加热,得到羰基钴水溶液 氢化物,在多步骤的后续步骤中使用之前已用丁二烯或其混合物萃取。

    Manufacture of butanedicarboxylic acid esters
    6.
    发明授权
    Manufacture of butanedicarboxylic acid esters 失效
    丁二羧酸酯的制造

    公开(公告)号:US4171451A

    公开(公告)日:1979-10-16

    申请号:US883216

    申请日:1978-03-03

    CPC分类号: C07C69/34 C07C67/38

    摘要: A process for the manufacture of butanedicarboxylic acid esters, wherein(a) an aqueous cobalt salt solution is treated, at from 50.degree. to 200.degree. C. and under a pressure of from 50 to 500 bars, with excess carbon monoxide and hydrogen in the presence of active charcoal laden with cobalt carbonyl,(b) the resulting aqueous solution of cobalt carbonyl hydride is extracted with butadiene or with a hydrocarbon mixture containing butadiene and the aqueous phase is separated off,(c) the butadiene, or butadiene-hydrocarbon mixture, containing cobalt carbonyl hydride, cobalt carbonyl and butenyl-cobalt tricarbonyl is reacted with carbon monoxide and an excess of an alkanol of 1 to 4 carbon atoms in the presence of from 0.5 to 2 moles, per mole of butadiene, of a tertiary nitrogen base having a pK.sub.a of from 3 to 11, at from 80.degree. to 150.degree. C. under a pressure of from 300 to 2,000 bars, and(d) the resulting reaction mixture is freed from the tertiary nitrogen base contained therein, except for from 0.1 to 0.3 mole per mole of pentenoic acid ester, and from excess hydrocarbons, the pentenoic acid ester remaining in the reaction mixture is reacted with carbon monoxide and an excess of an alkanol of 1 to 4 carbon atoms at from 140.degree. to 200.degree. C. and under pressures of from 100 to 400 bars in the presence of the amounts of cobalt carbonyl and tertiary nitrogen base contained in the reaction mixture, and excess alkanol and free nitrogen base are then distilled off, and(e) the reaction mixture which remains, and which contains cobalt catalyst, the butanedicarboxylic acid ester and by-products is treated with an oxidizing agent in an aqueous acid medium and the mixture is separated into an organic phase, from which the butanedicarboxylic acid ester is isolated by distillation, and into an aqueous phase containing cobalt salts.Butanedicarboxylic acid esters may be used for the manufacture of adipic acid and of nylons.

    摘要翻译: 一种制备丁烷二羧酸酯的方法,其中(A)在50至200℃和50至500巴的压力下处理苛性钴盐溶液,其中过量的一氧化碳和氢气在 (B)碳酸氢盐的结晶水溶液是用丁二烯或含有二丁烯和水相的烃混合物分离的,(C)丁二烯或二苯乙烯混合物 ,含有碳酸氢二乙酯,碳酸氢钾和二苯乙酮三溴化硼与一氧化碳反应,另有1至4个碳原子的碱金属在0.5至2摩尔浓度范围内反应,每次可以达到丁二烯,碱性氮 在300至2,000巴的压力下具有3至11,80至150℃的PKa,以及(D)结合反应混合物来自含有其的碱性氮碱,除F 或从0.1至0.3毫升的硝酸酯和超级碳氢化合物,反应混合物中的硝酸酯反应在一氧化碳和超过1至4个碳原子的碱性物质在140°至200°的条件下反应 在反应混合物中所含的羰基钴和叔氮碱的量存在下,在100-400巴的压力下,然后蒸出过量的链烷醇和游离氮碱,和(E)反应混合物 剩余的,其中含有钴催化剂,溴化苹果酸酯和副产物与氧化剂在酸性介质中进行处理,并且混合物分离成有机相,其中通过蒸馏分离所述溴化乙酸酯,和 进入含有钴酸盐的水相。

    Preparation of aldehydes
    8.
    发明授权
    Preparation of aldehydes 失效
    醛的制备

    公开(公告)号:US4262141A

    公开(公告)日:1981-04-14

    申请号:US69919

    申请日:1979-08-27

    CPC分类号: C07C45/50

    摘要: Aldehydes are prepared by hydroformylating the corresponding olefinically unsaturated compounds with the aid of rhodium-carbonyl complexes which contain tertiary phosphines as ligands, by carrying out the reaction in the presence of compounds of copper, silver or zinc which are soluble in the reaction mixture and do not contain any component which deactivates the rhodium-carbonyl complexes.

    摘要翻译: 通过在可溶于反应混合物的铜,银或锌化合物的存在下进行反应,借助于含有叔膦作为配体的铑 - 羰基络合物,通过对相应的烯属不饱和化合物进行加氢甲酰化来制备醛 不含任何使铑 - 羰基络合物失活的组分。

    Working up of hydroformylation or carbonylation reaction mixtures
    10.
    发明授权
    Working up of hydroformylation or carbonylation reaction mixtures 失效
    加工甲酰化或羰基化反应混合物

    公开(公告)号:US4568653A

    公开(公告)日:1986-02-04

    申请号:US222893

    申请日:1981-01-06

    摘要: Reaction mixtures which are obtained on hydroformylation or carbonylation of olefinically unsaturated compounds and which contain dissolved non-volatile complex compounds of metals of group VIII of the periodic table are worked up by a method wherein the products, after distillative removal of low-boiling constituents alone, or of these constituents plus a part of the high-boiling residue, or a part of the high-boiling residue after distillative removal of the desired products, are or is extracted with carbon dioxide, a C.sub.2 -C.sub.4 -paraffin, a C.sub.2 -C.sub.4 -olefin or a normally gaseous halohydrocarbon at above the critical temperature and above the critical pressure of these (extractant) compounds.

    摘要翻译: 在烯属不饱和化合物的加氢甲酰化或羰基化获得并且含有周期表第VIII族金属的溶解的非挥发性络合物的反应混合物通过一种方法来处理,其中产物在蒸馏除去低沸点组分之后 ,或这些成分加上一部分高沸点残余物,或蒸馏除去所需产物后的一部分高沸点残余物,用二氧化碳,C2-C4-链烷烃,C2- 在高于临界温度并高于这些(萃取剂)化合物的临界压力的C4-烯烃或正常气态的卤代烃。