公开(公告)号：US08981093B2

公开(公告)日：2015-03-17

申请号：US13910554

申请日：2013-06-05

Applicant: BASF SE

Inventor： Roland Bou Chedid ,  Johann-Peter Melder ,  Ulrich Abel ,  Roman Dostalek ,  Nina Challand ,  Bernd Stein ,  Michael Jödecke

IPC: C07D295/023 ,  C07D241/04 ,  C07C209/28 ,  C07C213/04 ,  C07D295/027

CPC classification number: C07D241/04 ,  C07C209/28 ,  C07C213/04 ,  C07D295/023 ,  C07D295/027

Abstract: Process for preparing piperazine of the formula I by reacting diethanolamine (DEOA) of the formula II with ammonia in the presence of hydrogen and a supported, metal-containing catalyst has been found, 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 180 to 220° C., using ammonia in a molar ratio to DEOA used of from 5 to 25 and in the presence of 0.2 to 9.0% by weight of hydrogen, based on the total amount of DEOA used and ammonia.

Abstract translation: 已经发现通过使式II的二乙醇胺（DEOA）与氢气和负载的含金属的催化剂的氨反应制备式I的哌嗪的方法，其中催化剂的催化活性物质在其还原之前 与氢气一起包含铝，铜，镍和钴的含氧化合物，其含量为0.2至5.0重量％，以SnO计算的含氧化合物锡，反应在液相中进行 使用160-220巴的绝对压力，温度在180-220℃范围内，使用摩尔比为DEA的氨为5至25，在0.2至9.0重量％存在下 的氢气，基于使用的DEOA的总量和氨。

公开(公告)号：US20130331573A1

公开(公告)日：2013-12-12

申请号：US13910554

申请日：2013-06-05

Applicant: BASF SE

Inventor： Roland Bou Chedid ,  Johann-Peter Melder ,  Ulrich Abel ,  Roman Dostalek ,  Nina Challand ,  Bernd Stein ,  Michael Jödecke

IPC: C07D241/04 ,  C07C213/04 ,  C07C209/28

CPC classification number: C07D241/04 ,  C07C209/28 ,  C07C213/04 ,  C07D295/023 ,  C07D295/027

Abstract: Process for preparing piperazine of the formula I by reacting diethanolamine (DEOA) of the formula II with ammonia in the presence of hydrogen and a supported, metal-containing catalyst has been found, 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 180 to 220° C., using ammonia in a molar ratio to DEOA used of from 5 to 25 and in the presence of 0.2 to 9.0% by weight of hydrogen, based on the total amount of DEOA used and ammonia.

Abstract translation: 已经发现通过使式II的二乙醇胺（DEOA）与氢气和负载的含金属的催化剂的氨反应制备式I的哌嗪的方法，其中催化剂的催化活性物质在其还原之前 与氢气一起包含铝，铜，镍和钴的含氧化合物，其含量为0.2至5.0重量％，以SnO计算的含氧化合物锡，反应在液相中进行 使用160-220巴的绝对压力，温度在180-220℃范围内，使用摩尔比为DEA的氨为5至25，在0.2至9.0重量％存在下 的氢气，基于使用的DEOA的总量和氨。