Process for preparing pyrrolidine
    1.
    发明授权
    Process for preparing pyrrolidine 有权
    制备吡咯烷的方法

    公开(公告)号:US09315479B2

    公开(公告)日:2016-04-19

    申请号:US13940964

    申请日:2013-07-12

    Applicant: BASF SE

    CPC classification number: C07D295/027

    Abstract: Process for preparing pyrrolidine of the formula I by reacting 1,4-butanediol (BDO) of the formula II with ammonia in the presence of hydrogen and a supported, metal-containing catalyst, wherein the catalytically active mass of the catalyst, prior to its reduction with hydrogen, comprises oxygen-containing compounds of aluminum, copper, nickel and cobalt and in the range from 0.2 to 5.0% by weight of oxygen-containing compounds of tin, calculated as SnO, and the reaction is carried out in the liquid phase at an absolute pressure in the range from 160 to 220 bar, a temperature in the range from 160 to 230° C., using ammonia in a molar ratio to BDO used of from 5 to 50 and in the presence of 1.0 to 4.5% by weight of hydrogen, based on the amount of BDO used.

    Abstract translation: 通过使式II的1,4-丁二醇(BDO)与氨在负载的含金属催化剂的存在下与氨反应制备式I的吡咯烷的方法,其中催化剂的催化活性物质在其 用氢还原,包括铝,铜,镍和钴的含氧化合物,并且在0.2至5.0重量%的锡的含氧化合物的锡的范围内,以SnO计算,并且反应在液相中进行 在160-240巴范围内的绝对压力下,温度在160-230℃的范围内,使用与BDO的摩尔比为5至50的氨和在1.0至4.5%的存在下,通过 基于所用BDO的量,氢的重量。

    Process for Preparing Pyrrolidine
    3.
    发明申请
    Process for Preparing Pyrrolidine 有权
    吡咯烷的制备方法

    公开(公告)号:US20140018547A1

    公开(公告)日:2014-01-16

    申请号:US13940964

    申请日:2013-07-12

    Applicant: BASF SE

    CPC classification number: C07D295/027

    Abstract: Process for preparing pyrrolidine of the formula I by reacting 1,4-butanediol (BDO) of the formula II with ammonia in the presence of hydrogen and a supported, metal-containing catalyst, wherein the catalytically active mass of the catalyst, prior to its reduction with hydrogen, comprises oxygen-containing compounds of aluminum, copper, nickel and cobalt and in the range from 0.2 to 5.0% by weight of oxygen-containing compounds of tin, calculated as SnO, and the reaction is carried out in the liquid phase at an absolute pressure in the range from 160 to 220 bar, a temperature in the range from 160 to 230° C., using ammonia in a molar ratio to BDO used of from 5 to 50 and in the presence of 1.0 to 4.5% by weight of hydrogen, based on the amount of BDO used.

    Abstract translation: 通过使式II的1,4-丁二醇(BDO)与氨在负载的含金属催化剂的存在下与氨反应制备式I的吡咯烷的方法,其中催化剂的催化活性物质在其 用氢还原,包括铝,铜,镍和钴的含氧化合物,并且在0.2至5.0重量%的锡的含氧化合物的锡的范围内,以SnO计算,并且反应在液相中进行 在160-240巴范围内的绝对压力下,温度在160-230℃的范围内,使用与BDO的摩尔比为5至50的氨和在1.0至4.5%的存在下,通过 基于所用BDO的量,氢的重量。

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