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8 条记录 (耗时 0.012 秒)

    Process for hydrogenation of diacetoxybutene
    1.
    发明授权
    Process for hydrogenation of diacetoxybutene 失效
    二乙酰氧基丁烯氢化方法

    公开(公告)号：US4225729A

    公开(公告)日：1980-09-30

    申请号：US747018

    申请日：1976-12-02

    申请人： Jun Toriya ,  Ken Shiraga ,  Takeru Onoda ,  Akihisa Ohno

    发明人： Jun Toriya ,  Ken Shiraga ,  Takeru Onoda ,  Akihisa Ohno

    IPC分类号： C07C69/16 ,  C07C69/14 ,  C07C67/283

    CPC分类号： C07C69/14

    摘要： Diacetoxybutane is prepared by a process for hydrogenating diacetoxybutene in the presence of a supported hydrogenation catalyst comprising catalytically reacting diacetoxybutene with hydrogen continuously in an insulation reaction apparatus utilizing a fixed-bed of said hydrogenation catalyst, withdrawing the reaction effluent continuously from said reaction apparatus, circulating at least a part of said reaction effluent to said reaction apparatus while controlling the temperature of influx of said reaction apparatus at a temperature lower than the temperature of efflux from said reaction apparatus by 5.degree. to 100.degree. C.

    摘要翻译： 二乙酰氧基丁烷是通过在负载氢化催化剂存在下氢化二乙酰氧基丁烯的方法制备的，该催化剂包括在使用所述氢化催化剂的固定床的绝热反应装置中连续地使二乙酰氧基丁烯与氢气连续反应，从所述反应装置连续排出反应流出物，循环 所述反应流出物的至少一部分与所述反应装置同时控制所述反应装置的入口温度低于从所述反应装置排出的温度5℃至100℃的温度。

    Process for producing diacetoxybutanes and butanediols
    2.
    发明授权
    Process for producing diacetoxybutanes and butanediols 失效
    制备二乙酰氧基丁烷和丁二醇的方法

    公开(公告)号：US4010197A

    公开(公告)日：1977-03-01

    申请号：US607482

    申请日：1975-08-25

    申请人： Jun Toriya ,  Ken Shiraga

    发明人： Jun Toriya ,  Ken Shiraga

    IPC分类号： C07C31/20 ,  C07C69/16 ,  C07C29/00 ,  C07C67/28

    CPC分类号： C07C31/20 ,  C07C69/16

    摘要： There is disclosed a process for producing diacetoxybutane diol by hydrogenating diacetoxybutene in the presence of a hydrogenation catalyst in which the hydrogenation is carried out in two stages within predetermined temperature ranges, the temperature of the second stage is higher than that of first thereby obtaining the product in high selectivity with high conversion, and a process for producing butanediol by hydrolyzing the diacetoxybutane thus obtained in the presence of a solid acid catalyst.

    摘要翻译： 公开了通过在氢化催化剂的存在下氢化二乙酰氧基丁烯来制备二乙酰氧基丁二醇的方法，其中氢化在预定的温度范围内分两步进行，第二阶段的温度高于第一阶段的温度，从而获得产物 具有高转化率的高选择性，以及通过在固体酸催化剂存在下水解由此获得的二乙酰氧基丁烷来制备丁二醇的方法。

    Process for preparing tetrahydrofuran
    3.
    发明授权
    Process for preparing tetrahydrofuran 失效
    四氢呋喃的制备方法

    公开(公告)号：US4093633A

    公开(公告)日：1978-06-06

    申请号：US763506

    申请日：1977-01-28

    申请人： Yasuo Tanabe ,  Jun Toriya ,  Masato Sato ,  Ken Shiraga

    发明人： Yasuo Tanabe ,  Jun Toriya ,  Masato Sato ,  Ken Shiraga

    IPC分类号： C07D307/08

    CPC分类号： C07D307/08

    摘要： In the process for preparing tetrahydrofuran by the dehydrocyclization of 1,4-butanediol in the presence of a non-volatile acid catalyst, wherein vapor mixture of water and tetrahydrofuran is continuously taken out from the reaction zone and subjected to the azeotropic distillation in three distillation columns operated under specified conditions thereby obtaining tetrahydrofuran of high quality in a high yield.

    摘要翻译： 在通过在非挥发性酸催化剂的存在下通过1,4-丁二醇的脱氢环化制备四氢呋喃的方法，其中从反应区中连续取出水和四氢呋喃的蒸气混合物，并在三次蒸馏中进行共沸蒸馏 柱在规定条件下运行，从而以高产率获得高品质的四氢呋喃。

    Process for producing 1,4-glycol diester
    7.
    发明授权
    Process for producing 1,4-glycol diester 失效
    生产1,4-二醇二酯的方法

    公开(公告)号：US4150239A

    公开(公告)日：1979-04-17

    申请号：US801219

    申请日：1977-05-27

    申请人： Yasuo Tanabe ,  Jun Toriya

    发明人： Yasuo Tanabe ,  Jun Toriya

    IPC分类号： C07C67/05 ,  C07C69/16

    CPC分类号： C07C67/05 ,  C07C67/055 ,  C07C67/283 ,  C07C67/54 ,  C07C67/56 ,  C07C69/16 ,  Y02P20/582 ,  Y10S585/905

    摘要： A process for producing 1,4-glycol diester from unsaturated glycol diesters prepared by reacting butadiene, acetic acid and oxygen or an oxygen-containing gas in the presence of a palladium catalyst or, from saturated glycol diesters prepared by hydrogenating said unsaturated glycol diesters, wherein, 1,4-glycol diester is separated from the isomer mixture of glycol diesters prepared, the residual glycol diester isomers are decomposed by heating and butadiene and/or acetic acid produced on decomposition are recycled to the process for the production of glycol diesters.

    摘要翻译： 一种由不饱和二醇二酯制备1,4-乙二醇二酯的方法，该方法是通过在钯催化剂存在下使丁二烯，乙酸和氧或含氧气体反应制备的，或由饱和的二醇二酯通过氢化所述不饱和二醇二酯制备， 其中1,4-二醇二酯与制备的二醇二酯的异构体混合物分离，残余的二醇二酯异构体通过加热分解，丁二烯和/或分解产生的乙酸被再循环到生产乙二醇二酯的方法中。

    Method of separating diacetoxybutene
    8.
    发明授权
    Method of separating diacetoxybutene 失效
    分离二乙酰氧基丁烯的方法

    公开(公告)号：US4057472A

    公开(公告)日：1977-11-08

    申请号：US656011

    申请日：1976-02-06

    申请人： Jun Toriya ,  Masato Sato ,  Ken Shiraga ,  Setsuo Matsunaga

    发明人： Jun Toriya ,  Masato Sato ,  Ken Shiraga ,  Setsuo Matsunaga

    IPC分类号： C07C69/16 ,  C07C69/18 ,  C07C69/28 ,  C07C69/52 ,  C07C69/02 ,  B01D3/10

    CPC分类号： C07C67/54

    摘要： A fractional distillation method of separating diacetoxybutene isomers from a reaction mixture produced from the reaction of butadiene, acetic acid and molecular oxygen comprises employing a series of at least two distillation towers, one of said towers being used for distillation of water and acetic acid under a pressure of 30 - 250 Torr and a tower bottom temperature of 190.degree. - 120.degree. C and the other being used for separation of high boiling point materials under a pressure of 2 - 100 Torr and a tower bottom temperature of 190.degree. - 120.degree. C, the temperature of all tower bottoms being from 190.degree. - 120.degree. C.

    摘要翻译： 从由丁二烯，乙酸和分子氧的反应产生的反应混合物中分离二乙酰氧基丁烯异构体的分馏方法包括使用一系列至少两个蒸馏塔，其中一个塔用于蒸馏水和乙酸， 压力为30〜250乇，塔底温度为190〜120℃，另外用于分离高沸点材料，压力为2〜100乇，塔底温度为190〜120℃ 所有塔底的温度为190°-120℃