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公开(公告)号:ES2394680T3
公开(公告)日:2013-02-04
申请号:ES11174776
申请日:2011-07-21
Applicant: BASF SE
Inventor: MAEGERLEIN WOLFGANG , EBERHARDT JAN , MELDER JOHANN-PETER , KOEHLER ULRICH , HAHN THILO , KREITSCHMANN MIRKO , HERBRECHT DOMINIK
IPC: C07C209/48 , C07C209/84 , C07C211/11 , C07C253/30 , C07C255/24
Abstract: Método para la producción de 3-dimetilaminopropilamina (DMAPA) mediante reacción de 3-dimetilaminopropionitrilo (DMAPN) con hidrógeno en presencia de un catalizador, caracterizado porque el DMAPNempleado tiene un contenido de 2-(dimetilaminometil)-glutaronitrilo (DGN) de 300 ppm en peso o menos, referido alDMAPN empleado.
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公开(公告)号:SG190750A1
公开(公告)日:2013-07-31
申请号:SG2013043104
申请日:2011-12-13
Applicant: BASF SE
Inventor: KROLL MANFRED , HERRMANN ANDREAS EDGAR , HERBRECHT DOMINIK
Abstract: Method for producing and purifying 3-aminopropanolAbstractThe present invention relates to a process for purifying a reaction output which comprises 3- aminopropanol and is obtained in the reaction of ethylene cyanohydrin with hydrogen In the presence of ammonia, which comprises distilling the reaction output comprising 3- aminopropanol in two or more stages the ammonia content of the reaction output comprising 3- aminopropanol before Introduction into the first distillation stage being 1% by weight or less andthe temperature in the distillation stages being not more than 135°C.The invention further relates to a process for preparing 3-aminopropanol by reacting ethylene cyanohydrin with hydrogen in the presence of ammonia, which comprises performing the purification of the reaction output comprising 3-aminopropanol in accordance with the invention. The present invention further provides a process for preparing 3-aminopropanol derivatives,especially panthenol, acambrosate, mefenorex, domperidon, ifosamid or urapidil, from 3-amino propanol prepared In accordance with the invention. No suitable figure
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公开(公告)号:BR112013002105A2
公开(公告)日:2016-05-24
申请号:BR112013002105
申请日:2011-07-21
Applicant: BASF SE
Inventor: HERBRECHT DOMINIK , EBERHARDT JAN , MELDER JOHANN-PETER , KREITSCHMANN MIRKO , HAHN THILO , KÖHLER ULRICH , MÄGERLEIN WOLFGANG
IPC: C07C209/48 , C07C209/84 , C07C211/11 , C07C255/24
Abstract: processo para preparar um composto, mistura de dmapn e dgn, e, uso de uma mistura. a invenção refere-se a um método para produzir 3-dimetil-amino-propil-amina (dmapa) pela reação de 3-dimetil-amino-propionitrila (dmapn) com hidrogênio na presença de um catalisador, caracterizado pelo fato de que dmapn usada tem um teor de 2-(dimetil-amino-metil)-glutronitrila (dgn) de 300 ppm em peso ou menor, relativo à dmapn usada. a invenção adicionalmente se refere às misturas de dmapn e dgn, caracterizadas pelo fato de que a proporção em peso de dmapn para dgn está dentro da faixa de 1.000.000:250.
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