会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明授权
    • Method for producing N,N-substituted-3-aminopropan-1-ols
    • 制备N,N-取代-3-氨基丙-1-醇的方法
    • US08536377B2
    • 2013-09-17
    • US13127828
    • 2009-11-02
    • Christof Wilhelm WigbersJohann-Peter MelderMartin Ernst
    • Christof Wilhelm WigbersJohann-Peter MelderMartin Ernst
    • C07C213/00
    • C07C213/02C07C227/08Y02P20/582C07C215/08C07C229/12
    • The present invention relates to a process for preparing N,N-substituted 3-aminopropan-1-ols by a) reacting secondary amine with acrolein at a temperature of (−50) to 100° C. and a pressure of 0.01 to 300 bar, and b) reacting the reaction mixture obtained in stage a) with hydrogen and ammonia in the presence of a hydrogenation catalyst at a pressure of 1 to 400 bar, wherein the molar ratio of secondary amine to acrolein in stage a) is 1:1 or more and the temperature in stage b) is in the range from (−50) to 70° C. In a preferred embodiment, acrolein which has been obtained from glycerol based on renewable raw materials is used. The invention further relates to the use of an N,N-dimethyl-3-aminopropan-1-ol (DMAPOL) based on renewable raw materials as a catalyst for polyurethane preparation, as a scrubbing fluid in gas scrubbing, in the electronics chemicals and electroplating sectors, as a feedstock in organic synthesis, and as an intermediate in the production of pharmaceuticals and crop protection compositions.
    • 本发明涉及一种通过以下步骤制备N,N-取代的3-氨基丙-1-醇的方法:a)在(-50)至100℃的温度和0.01至300巴的压力下使仲胺与丙烯醛反应 ,和b)在加氢催化剂存在下,在1至400巴的压力下,将a)中获得的反应混合物与氢气和氨反应,其中a)步中仲胺与丙烯醛的摩尔比为1:1 或更高,步骤b)中的温度在(-50)至70℃的范围内。在优选的实施方案中,使用了基于可再生原料从甘油获得的丙烯醛。 本发明还涉及使用基于可再生原料的N,N-二甲基-3-氨基丙-1-醇(DMAPOL)作为聚氨酯制备的催化剂,在电气化学品中用作气体洗涤中的洗涤液, 电镀部门,作为有机合成中的原料,以及作为药物和作物保护组合物生产中的中间体。