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    Preparation of ethylene glycol
    4.
    发明授权
    Preparation of ethylene glycol 失效
    乙二醇的制备

    公开(公告)号：US4740525A

    公开(公告)日：1988-04-26

    申请号：US900770

    申请日：1986-08-26

    申请人： Robert Maerkl ,  Werner Bertleff ,  Wolfgang Harder ,  Rudolf Kummer

    发明人： Robert Maerkl ,  Werner Bertleff ,  Wolfgang Harder ,  Rudolf Kummer

    IPC分类号： C07B61/00 ,  B01J31/00 ,  C07C29/158 ,  C07C27/06 ,  C07C31/20

    CPC分类号： C07C29/158 ,  Y02P20/52

    摘要： Ethylene glycol is prepared from carbon monoxide and hydrogen in homogeneous liquid phase under superatmospheric pressure and at elevated temperature in the presence of a rhodium-containing catalyst and in the presence of an organic solvent, the organic solvent used being a C.sub.2 -C.sub.20 -n-alkanol and the concentration of this alkanol, based on the total amount of the mixture, constantly being maintained at not less than 50% by weight.

    摘要翻译： 乙二醇由均一液相中的一氧化碳和氢气在超大气压和升高的温度下在含铑催化剂存在下制备，并且在有机溶剂存在下，所用的有机溶剂是C 2 -C 20正 - 链烷醇和该烷醇的浓度，基于混合物的总量，不断保持在不小于50重量％。

    Preparation of omega-formylalkanecarboxylic esters
    5.
    发明授权
    Preparation of omega-formylalkanecarboxylic esters 失效
    ω-甲酰基烷羧酸酯的制备

    公开(公告)号：US4910328A

    公开(公告)日：1990-03-20

    申请号：US206752

    申请日：1988-06-15

    申请人： Werner Bertleff ,  Robert Maerkl ,  Michael Roeper

    发明人： Werner Bertleff ,  Robert Maerkl ,  Michael Roeper

    IPC分类号： C07B61/00 ,  B01J31/20 ,  C07C67/313 ,  C07C69/67

    CPC分类号： C07C67/347

    摘要： .omega.-Formylalkanecarboxylic esters are prepared by hydroformylation of an alkenecarboxylic ester with carbon monoxide and hydrogen at elevated tempertures and under superatmospheric pressure in the presence of a cobalt carbonyl complex by a process in which an .alpha.,.beta.-unsaturated alkenecarboxylic ester is hydroformylated in the presence of from 0.01 to 1 mol %, calculated as cobalt, of a cobalt carbonyl complex, while maintaining a conversion of from 10 to 70% of .alpha.,.beta.-unsaturated alkenecarboxylic esters.

    摘要翻译： 通过在钴羰基络合物存在下，在升高的温度和超大气压下，用一氧化碳和氢气将烯羧酸酯加氢甲酰化制备ω-甲酰基烷羧酸酯，其中α，β-不饱和烯烃羧酸酯在存在下加氢甲酰化 0.01至1摩尔％，钴计算为钴羰基络合物，同时保持10至70％的α，β-不饱和烯烃羧酸酯的转化率。

    Preparation of 1,1,2-trialkoxyethanes
    6.
    发明授权
    Preparation of 1,1,2-trialkoxyethanes 失效
    1,1,2-三烷氧基乙醚的制备

    公开(公告)号：US4755625A

    公开(公告)日：1988-07-05

    申请号：US73999

    申请日：1987-07-16

    申请人： Robert Maerkl ,  Werner Bertleff ,  Rudolf Kummer

    发明人： Robert Maerkl ,  Werner Bertleff ,  Rudolf Kummer

    IPC分类号： C07B61/00 ,  B01J31/00 ,  B01J31/20 ,  B01J31/24 ,  C07C41/00 ,  C07C41/48 ,  C07C43/315 ,  C07C67/00 ,  C07D317/22 ,  C07D319/06 ,  C07D321/06

    CPC分类号： C07C41/48

    摘要： 1,1,2-trialkoxyethanes I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.8 -alkyl and R.sup.1 and R.sup.2 may furthermore be bonded to one another to form a 5-membered to 7-membered ring, are prepared by reacting a formaldehyde dialkyl acetal II with carbon monoxide and hydrogen, from 0.5 to 1.5 moles of hydrogen being used per mole of carbon monoxide, and with not less than 1 mole of alcohol R.sup.3 OH per mole of formaldehyde dialkyl acetal under superatmospheric pressure and at elevated temperatures in the presence of a catalyst which is formed from a cobalt carbonyl compound and a trivalent organic compound of the formula III ##STR2## where A is phosphorus, arsenic, antimony or bismuth and R.sup.4, R.sup.5 and R.sup.6 are each an organic radical.

    摘要翻译： 其中R 1，R 2和R 3各自是C 1 -C 8 - 烷基，R 1和R 2可以彼此键合形成5元至7元环， 通过使甲醛二烷基缩醛II与一氧化碳和氢反应，每摩尔一氧化碳使用0.5至1.5摩尔氢，并且在超大气压下每摩尔甲醛二烷基缩醛不少于1摩尔醇R3OH， 在由羰基钴化合物和式III的三价有机化合物形成的催化剂存在下，在升高的温度下，其中A是磷，砷，锑或铋，并且R 4，R 5和R 6各自是有机的 激进。

    Process for the preparation of 2,3-dialkoxypropanals
    7.
    发明授权
    Process for the preparation of 2,3-dialkoxypropanals 失效
    制备2,3-二烷氧基丙酸的方法

    公开(公告)号：US5081313A

    公开(公告)日：1992-01-14

    申请号：US528021

    申请日：1990-05-23

    申请人： Dieter Koeffer ,  Robert Maerkl ,  Werner Bertleff

    发明人： Dieter Koeffer ,  Robert Maerkl ,  Werner Bertleff

    IPC分类号： B01J31/04 ,  B01J31/20 ,  B01J31/24 ,  C07B61/00 ,  C07C45/49 ,  C07C45/50 ,  C07C47/198

    CPC分类号： C07C45/49

    摘要： The preparation of 2,3-dialkoxypropanals of the general formula I ##STR1## in which R.sup.1 and R.sup.2 denote C.sub.1 -C.sub.8 -alkyl or C.sub.5 - or C.sub.6 -cycloalkyl which may or may not bear substituents which are inert under the conditions of the reaction, wherein a 1,2-dialkoxy ethene of the general formula IIR.sup.1 O--HC.dbd.CH--OR.sup.2 (II)is reacted with carbon monoxide and hydrogen in the presence of a rhodium-containing catalyst.

    摘要翻译： 制备通式I（I）的2,3-二烷氧基丙醛，其中R 1和R 2表示可在或不具有在条件下为惰性的取代基的C 1 -C 8 - 烷基或C 5 - 或C 6 - 环烷基 的反应，其中在含铑催化剂存在下，将通式II的R 1 -O-HC = CH-OR 2（II）的1,2-二烷氧基乙烯与一氧化碳和氢气反应。

    Preparation of alkyl pentenoates
    8.
    发明授权
    Preparation of alkyl pentenoates 失效
    戊烯酸烷基酯的制备

    公开(公告)号：US4925972A

    公开(公告)日：1990-05-15

    申请号：US378794

    申请日：1989-07-12

    申请人： Robert Maerkl ,  Wolfgang Harder

    发明人： Robert Maerkl ,  Wolfgang Harder

    IPC分类号： B01J31/20 ,  B01J31/40 ,  C07B61/00 ,  C07C67/38 ,  C07C69/533

    CPC分类号： C07C69/533

    摘要： Alkyl pentenoates are prepared by(a) reacting butadiene or a butadiene-containing hydrocarbon mixture with carbon monoxide and an alkanol in the presence of a tertiary aromatic heterocyclic nitrogen base and a cobalt carbonyl catalyst at from 80.degree. to 160.degree. C. under from 100 to 1,000 bar to obtain a reaction mixture which contains alkyl pentenoate, C.sub.6 -diester, tertiary nitrogen base, alkanol, butadiene, hydrocarbon and by-product,(b) substantially removing from the reaction mixture obtained any excess hydrocarbon, nitrogen base, alkanol and alkyl pentenoate by distillation to obtain a residue which contains cobalt carbonyl catalyst,(c) bringing the residue which contains cobalt carbonyl catalyst into contact with a mixture of carbon monoxide and hydrogen at elevated temperature and elevated pressure, and(d) recycling the residue which contains cobalt carbonyl catalyst into alkyl pentenoate synthesis stage (a).

    摘要翻译： 戊烯酸烷基酯通过以下步骤制备：（a）在叔芳族杂环氮碱和羰基钴催化剂存在下，在80〜160℃下，将丁二烯或含丁二烯的烃混合物与一氧化碳和链烷醇反应， 至1,000巴以获得含有戊烯酸烷基酯，C6-二酯，叔氮碱，链烷醇，丁二烯，烃和副产物的反应混合物，（b）从反应混合物中大量除去得到的任何过量的烃，氮碱，链烷醇和 通过蒸馏得到含有羰基钴催化剂的残余物，（c）在升高的温度和升高的压力下使包含羰基钴催化剂的残余物与一氧化碳和氢气的混合物接触，和（d）将残余物 含有羰基羰基催化剂成为戊烯酸烷基酯合成阶段（a）。