Process for enantioselective hydrogenation of the oxo C.dbd.O double bond
    3.
    发明授权
    Process for enantioselective hydrogenation of the oxo C.dbd.O double bond 失效
    氧代C = O双键的对映选择性氢化方法

    公开(公告)号:US5614641A

    公开(公告)日:1997-03-25

    申请号:US362557

    申请日:1995-03-09

    摘要: The present invention concerns a process for enantioselective catalytic hydrogenation of the ketone C.dbd.O double bond to a secondary alcohol function, said process using a neutral ruthenium complex as the catalyst and a compound containing a C.dbd.O group as the substrate to be hydrogenated, characterised in that it comprises hydrogenation of the substrate using a diallyl (diphosphino) ruthenium compound with formula ##STR1## where al preferably represents CH.sub.2 CH.dbd.CH.sub.2 or CH.sub.2 C(CH.sub.3).dbd.CH.sub.2,Q represents a hydrocarbon bridge containing at least two catenary carbon atoms and which can contain one to four catenary heteroatoms selected from O, S, N and Si,R.sup.1 to R.sup.4 may be identical or different and each represents a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.7 cycloalkyl or C.sub.6 -C.sub.12 aryl group.

    摘要翻译: PCT No.PCT / FR93 / 00663 Sec。 371日期:1995年3月5日 102(e)1995年3月9日PCT PCT 1993年6月30日PCT公布。 第WO94 / 01390号公报 日本1994年1月20日本发明涉及酮C = O双键对仲醇官能团的对映体选择性催化氢化的方法,所述使用中性钌络合物作为催化剂的方法和含有C = O基团的化合物作为 底物被氢化,其特征在于它包括使用式(I)的二烯丙基(二膦)钌化合物氢化底物,其中a1优选代表CH 2 CH = CH 2或CH 2 C(CH 3)= CH 2,Q代表烃桥 含有至少两个链状碳原子并且可以含有一至四个选自O,S,N和Si的链状杂原子,R 1至R 4可以相同或不同,并且各自表示C1-C18烷基,C5-C7环烷基或C6- C12芳基。

    Organic phosphorus compounds complexed to boron, their preparation and
applications
    4.
    发明授权
    Organic phosphorus compounds complexed to boron, their preparation and applications 失效
    有机磷化合物与硼络合,其制备和应用

    公开(公告)号:US5043465A

    公开(公告)日:1991-08-27

    申请号:US458496

    申请日:1989-12-28

    摘要: New organic phosphorus compounds, comprised of hetero-phosphacycloalkanes whose phosphorus atom forms a complex with a borane. They can be prepared by the action of a borane on a hetero-phosphacycloalkane, within a solvent, at temperatures ranging from -20.degree. to +60.degree. C. Their transformation into other derivatives, phosphinites or phosphines in particular, can be carried out without any modification in the chirality of the initial complex. An especially useful application is their conversion into highly optically active phosphines, used in particular as catalysts in various reactions.

    摘要翻译: 新的有机磷化合物,其磷原子与硼烷形成络合物的杂 - 磷杂环烷烃组成。 它们可以通过硼烷在杂 - 磷杂环烷烃的溶剂中,在-20℃至+ 60℃的温度范围内的作用而制备。它们可以在不进行其它衍生物,亚磷酸盐或膦的转化的情况下进行, 任何修改手段的初步复杂。 特别有用的应用是将其转化为高度光学活性的膦,特别是在各种反应中用作催化剂。

    Process for preparation of derivatives of phosphinous acid
    5.
    发明授权
    Process for preparation of derivatives of phosphinous acid 失效
    膦酸衍生物的制备方法

    公开(公告)号:US5166389A

    公开(公告)日:1992-11-24

    申请号:US737339

    申请日:1991-07-29

    摘要: New chemical product, constituted by an organic phosphorus compound of the structure ##STR1## where Q is an N or O atom, T is an alkylene or arylene, possibly carrying substituents, or not existing, while R.sup.1 to R.sup.7, the same or different, are H or aliphatic, cycloaliphatic and/or arylic hydrocarbon radicals, possibly substituted, R.sup.3 not existing when Q is oxygen. This product is used as an intermediate in the preparation of different derivatives of phosphinous acid.

    摘要翻译: 新化学产品由结构为“IMAGE”的有机磷化合物构成,其中Q为N或O原子,T为亚烷基或亚芳基,可能带有取代基或不存在,而R1至R7相同或不同, 是当Q是氧时不存在的H或脂族,脂环族和/或芳基烃基,可能被取代。 该产品用作制备不同亚磷酸衍生物的中间体。

    Chiral phosphinite-boranes, their preparation and uses
    7.
    发明授权
    Chiral phosphinite-boranes, their preparation and uses 失效
    手性膦 - 硼烷,其制备和用途

    公开(公告)号:US5264602A

    公开(公告)日:1993-11-23

    申请号:US817802

    申请日:1992-01-09

    摘要: This invention is concerned with new chiral diphosphinite-borane compound of the formula ##STR1## wherein R.sup.1 and R.sup.2, identical or different, represent each a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl or C.sub.6 -C.sub.14 aryl group which can bear functional groups,R.sup.3 represents a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl, C.sub.6 -C.sub.14 aryl, C.sub.1 -C.sub.18 alkoxy, C.sub.5 -C.sub.18 cycloalkyloxy, C.sub.7 -C.sub.18 aralkyloxy or C.sub.6 -C.sub.14 aryloxy group,Z represents a bridge linking the two phosphinite P atoms, said bridge being (i) a hydrocarbon chain having from 1 to 12 catenary C atoms or (ii) a heterohydrocarbon chain comprising from 1 to 12 catenary C atoms and at least one catenary heteroatom selected from the group consisting of O, S, Si, P and N.These chiral compounds are useful in the manufacture of chiral diphosphine compounds.

    摘要翻译: 本发明涉及式(I)(Iobis)的新型手性二膦 - 硼烷化合物,其中R 1和R 2相同或不同,表示C1-C18烷基,C5-C18环烷基,C7- C18芳烷基或C6-C14芳基,R3表示C1-C18烷基,C5-C18环烷基,C7-C18芳烷基,C6-C14芳基,C1-C18烷氧基,C5-C18环烷基氧基,C7-C18 芳烷氧基或C 6 -C 14芳氧基,Z表示连接两个磷化物P原子的桥,所述桥是(i)具有1至12个链C原子的烃链或(ii)包含1至12个链C的杂烃链 原子和至少一个选自O,S,Si,P和N的链状杂原子。这些手性化合物可用于制造手性二膦化合物。

    Oxidation of epoxy alcohols into carboxilic epoxy acids
    8.
    发明授权
    Oxidation of epoxy alcohols into carboxilic epoxy acids 失效
    将环氧醇氧化成碳氧化环氧化物

    公开(公告)号:US5084582A

    公开(公告)日:1992-01-28

    申请号:US635524

    申请日:1991-01-18

    IPC分类号: C07D303/38 C07D303/48

    CPC分类号: C07D303/38 C07D303/48

    摘要: The invention relates to a method of oxidizing epoxyalcohols, in a medium containing an organic solvent and water, by means of a solid oxidizing compound, in the presence of a catalyst based on a ruthenium salt. The proportion of water relative to that of organic solvent is sufficiently small for at least the major part of the oxidizing compound to remain in the solid state in the reaction medium, which is heterogeneous.

    摘要翻译: PCT No.PCT / FR89 / 00320 Sec。 371日期1991年1月18日 102(e)日期1991年1月18日PCT Filed Jun.23,1989 PCT Pub。 公开号WO90 / 00167 日本1990年1月11日。本发明涉及在基于钌盐的催化剂存在下,通过固体氧化性化合物在含有有机溶剂和水的介质中氧化环氧醇的方法。 相对于有机溶剂的水的比例足够小,至少大部分氧化性化合物在反应介质中保持固态,这是异质的。