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    • 3. 发明授权
    • One-stage reductive amination
    • 一步还原胺化
    • US08415500B2
    • 2013-04-09
    • US12808268
    • 2008-12-10
    • Tobias StaebThilo HahnWolfgang Siegel
    • Tobias StaebThilo HahnWolfgang Siegel
    • C07C211/27C07C209/62
    • C07C209/26C07B2200/07C07C209/62C07C211/07C07C211/27
    • A process for preparing amines of the formula I, by reacting a carbonyl compound of the formula II with an amine of the formula III where R1 and R2 are different and are each an organic radical which has from 1 to 20 carbon atoms and may optionally also comprise heteroatoms, R3 is a C1-C6-alkyl group and R4 is an aryl group which may be partly or fully halogenated and/or may bear from one to three radicals from the group of cyano, nitro, C1-C6-alkyl, C1-C6-haloalkyl, hydroxyl, C1-C6-hydroxyalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy, hydroxycarbonyl, C1-C6-alkoxycarbonyl, C1-C6-alkylamino, di(C1-C6-alkyl)amino, aryl and aryl(C1-C6-alkyl); and * represents the S or R configuration, and ** represents the S and/or R configuration; which comprises performing the reaction in the presence of a heterogeneous imination catalyst, of a hydrogenation catalyst and of hydrogen.
    • 一种制备式I的胺的方法,通过使式II的羰基化合物与式III的胺反应,其中R 1和R 2不同,并且各自是具有1至20个碳原子的有机基团, 包括杂原子,R 3是C 1 -C 6烷基,R 4是可以部分或完全卤化的和/或可以从氰基,硝基,C 1 -C 6 - 烷基,C 1〜 C 1 -C 6 - 卤代烷基,羟基,C 1 -C 6羟基烷基,C 1 -C 6 - 烷氧基,C 1 -C 6 - 卤代烷氧基,羟基羰基,C 1 -C 6 - 烷氧基羰基,C 1 -C 6烷基氨基, 和芳基(C 1 -C 6 - 烷基); 和*表示S或R构型,**表示S和/或R构型; 其包括在非均相模拟催化剂,氢化催化剂和氢气存在下进行反应。
    • 4. 发明申请
    • ONE-STAGE REDUCTIVE AMINATION
    • 一级减少化学
    • US20100274054A1
    • 2010-10-28
    • US12808268
    • 2008-12-10
    • Tobias StaebThilo HahnWolfgang Siegel
    • Tobias StaebThilo HahnWolfgang Siegel
    • C07C211/27C07C209/62
    • C07C209/26C07B2200/07C07C209/62C07C211/07C07C211/27
    • A process for preparing amines of the formula I, by reacting a carbonyl compound of the formula II with an amine of the formula III where R1 and R2 are different and are each an organic radical which has from 1 to 20 carbon atoms and may optionally also comprise heteroatoms, R3 is a C1-C6-alkyl group and R4 is an aryl group which may be partly or fully halogenated and/or may bear from one to three radicals from the group of cyano, nitro, C1-C6-alkyl, C1-C6-haloalkyl, hydroxyl, C1-C6-hydroxyalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy, hydroxycarbonyl, C1-C6-alkoxycarbonyl, C1-C6-alkylamino, di(C1-C6-alkyl)amino, aryl and aryl(C1-C6-alkyl); and * represents the S or R configuration, and ** represents the S and/or R configuration; which comprises performing the reaction in the presence of a heterogeneous imination catalyst, of a hydrogenation catalyst and of hydrogen.
    • 一种制备式I的胺的方法,通过使式II的羰基化合物与式III的胺反应,其中R 1和R 2不同,并且各自是具有1至20个碳原子的有机基团, 包括杂原子,R 3是C 1 -C 6烷基,R 4是可以部分或完全卤化的和/或可以从氰基,硝基,C 1 -C 6 - 烷基,C 1〜 C 1 -C 6 - 卤代烷基,羟基,C 1 -C 6羟基烷基,C 1 -C 6 - 烷氧基,C 1 -C 6 - 卤代烷氧基,羟基羰基,C 1 -C 6 - 烷氧基羰基,C 1 -C 6烷基氨基, 和芳基(C 1 -C 6 - 烷基); 和*表示S或R构型,**表示S和/或R构型; 其包括在非均相模拟催化剂,氢化催化剂和氢气存在下进行反应。