Asymmetric hydrogenation method of a ketonic compound and derivative
    6.
    发明授权
    Asymmetric hydrogenation method of a ketonic compound and derivative 失效
    酮类化合物及其衍生物的不对称加氢方法

    公开(公告)号:US6166257A

    公开(公告)日:2000-12-26

    申请号:US202665

    申请日:1999-03-24

    摘要: The present invention relates to a process for the asymmetric hydrogenation of a ketonic compound and derivative.The invention relates to the use of optically active metal complexes as catalysts for the asymmetric hydrogenation of a ketonic compound and derivative.The process for the asymmetric hydrogenation of a ketonic compound and derivative is characterized in that the asymmetric hydrogenation of said compound is carried out in the presence of an effective amount of a metal complex comprising as ligand an optically active diphosphine corresponding to one of the following formulae: ##STR1##

    摘要翻译: PCT No.PCT / FR97 / 01154 Sec。 371 1999年3月24日第 102(e)1999年3月24日PCT Filted 1997年6月27日PCT公布。 第WO98 / 00375号公报 日期1998年1月8日本发明涉及酮化合物及其衍生物的不对称氢化方法。 本发明涉及光学活性金属络合物作为酮化合物和衍生物的不对称氢化的催化剂的用途。 酮化合物及其衍生物的不对称氢化方法的特征在于,所述化合物的不对称氢化在有效量的金属络合物的存在下进行,所述金属络合物包含对应于下式之一的光学活性二膦配体 :

    Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
    8.
    发明授权
    Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof 失效
    光活性二膦,根据拆分外消旋混合物的方法及其用途制备

    公开(公告)号:US06380412B1

    公开(公告)日:2002-04-30

    申请号:US09498466

    申请日:2000-02-04

    IPC分类号: C07F950

    摘要: The present invention relates to optically active diphosphines. It is also targeted at their preparation according to a process for the resolution of the racemic mixture of the said phosphines to optically active isomers. The subject of the invention is new optically active bis[1-phospha-2,3-diphenyl-4,5-dimethylnorbornadiene] diphosphines and a process for resolving the racemic bis[1-phospha-2,3-diphenyl-4,5-dimethylnorbornadiene] mixture which comprises reacting it with a palladium or platinum complex as chiral auxiliary in an organic solvent, thus forming diastereoisomer complexes, and then resolving the said optically pure complexes. The invention also relates to new optically active metal complexes comprising the said phosphines and to their use in a process for the preparation of optically active carboxylic acids and/or derivatives according to a process for the hydrogenation of &agr;,&bgr;-unsaturated carboxylic acids and/or derivatives.

    摘要翻译: 本发明涉及光学活性二膦。 还可以根据将所述膦的外消旋混合物拆分成旋光异构体的方法来制备它们。 本发明的主题是新的光学活性双[1-磷杂-2,3-二苯基-4,5-二甲基降冰片二烯]二膦和一种拆分外消旋双[1-磷杂-2,3-二苯基-4,5 - 二甲基降冰片二烯]混合物,其包括使其与作为手性助剂的钯或铂络合物在有机溶剂中反应,从而形成非对映异构体复合物,然后拆分所述光学纯复合物。 本发明还涉及包含所述膦的新的光学活性金属络合物,以及它们在制备光学活性羧酸和/或衍生物的方法中的用途,根据α,β-不饱和羧酸和/ 或衍生物。

    Preparation of caprolactam
    9.
    发明授权
    Preparation of caprolactam 失效
    己内酰胺的制备

    公开(公告)号:US06204379B1

    公开(公告)日:2001-03-20

    申请号:US09269875

    申请日:1999-07-27

    IPC分类号: C07D20108

    CPC分类号: C07D201/08 Y02P20/52

    摘要: The present invention concerns the aminomethylation of pentenoic acid derivatives, by reaction with carbon monoxide, hydrogen and ammonia, for preparing caprolactam. More precisely, it is directed to a method for preparing caprolactam wherein the aminomethylation of pentenoic acid derivatives is carried out by reaction with carbon monoxide, hydrogen, and ammonia, at a temperature higher than 30° C. and in the presence of a catalyst with a base of at least one metal of Group VIII of the Periodic Table.

    摘要翻译: 本发明涉及通过与一氧化碳,氢和氨的反应制备己内酰胺的戊烯酸衍生物的氨基甲基化。 更精确地,涉及一种制备己内酰胺的方法,其中戊烯酸衍生物的氨基甲基化通过与一氧化碳,氢气和氨在高于30℃的温度下反应并在催化剂存在下进行, 元素周期表第Ⅷ族至少一种金属的碱。