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    • 7. 发明授权
    • Resolution of amines
    • 分解胺
    • US06187930B1
    • 2001-02-13
    • US09462326
    • 2000-04-10
    • Antoni Torrens-JoverJordi Frigola-Constansa
    • Antoni Torrens-JoverJordi Frigola-Constansa
    • C07D23112
    • C07D231/12
    • The procedure comprises reacting the mixture that comprises 2-[phenyl(1-methyl-1 H-pyrazole-5-yl)methoxy]-N,N-dimethylethanamine (I) with an enantiomer of an optically active acid to form a diastereoisomeric salt, separating said salt and liberating the enantiomer of said compound (I). The dextrorotatory enantiomer of (I) can be obtained by reacting a racemic mixture or non-racemic mixture of (I) with (+)-ditoluyl-L-tartaric acid, optionally mixed with p-toluensulphonic acid. Compound (I) has analgesic properties and its most active enantiomer is dextrorotatory.
    • 该方法包括将包含2- [苯基(1-甲基-1H-吡唑-5-基)甲氧基] -N,N-二甲基乙胺(I)的混合物与光学活性酸的对映异构体反应,形成非对映异构体盐 ,分离所述盐并释放所述化合物(I)的对映异构体。 (I)的右旋对映异构体可以通过将(I)与(+) - 二甲氧基-L-酒石酸的外消旋混合物或非外消旋混合物任选与对甲苯磺酸混合而获得。 化合物(I)具有镇痛特性,其最活泼的对映异构体是右旋的。