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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
Inventor: Roland Bou Chedid , Johann-Peter Melder , Roman Dostalek , Jörg Pastre , Aik Meam Tan
IPC: C07D295/027
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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公开(公告)号:US09873658B2
公开(公告)日:2018-01-23
申请号:US15103789
申请日:2014-12-10
Applicant: BASF SE
Inventor: Andreas Weickgenannt , Bernd Bastian Schaack , Barbara Wucher , Alexander Panchenko , Frank Hettche , Martin Bock , Aik Meam Tan , Kirsten Dahmen
CPC classification number: C07C209/72 , B01J23/462 , B01J35/1014 , B01J35/1038 , B01J35/1042 , B01J37/0225 , B01J37/0236 , B01J37/08 , B01J37/18 , Y02P20/582 , C07C211/36
Abstract: The present invention relates to a process for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA with hydrogen in the presence of a catalyst comprising ruthenium on a zirconium oxide support material, and also to the use of a catalyst comprising ruthenium on a zirconium oxide support material for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA.
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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
Inventor: Roland Bou Chedid , Johann-Peter Melder , Roman Dostalek , Jörg Pastre , Aik Meam Tan
IPC: C07D295/027
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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