Polymer-carrying optically active binaphthyl type oxazoline compound
    3.
    发明授权
    Polymer-carrying optically active binaphthyl type oxazoline compound 失效
    聚合物携带光学活性联萘型恶唑啉化合物

    公开(公告)号:US07164026B2

    公开(公告)日:2007-01-16

    申请号:US10704576

    申请日:2003-11-12

    IPC分类号: C07F7/02 C07D413/02

    摘要: A polymer-carrying optically active binaphthyl type oxazoline compound having axial asymmetry, represented by the following general formula (1) (wherein R1 and R2 may be the same or different from each other and each represents a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms or the like; R3 is a hydrogen atom or —R5—X—R6; R4 is a hydrogen atom or the like; R5 is a straight- or branched-chain aliphatic hydrocarbon chain which may have a directly or indirectly bonded substituent; X is CH2, CO2, O, CONR7 or NR7; R6 is a directly or indirectly bonded polymer; and R7 is a hydrogen atom or the like), and to a transition metal complex which uses the compound as the ligand.

    摘要翻译: 由以下通式(1)表示的具有轴不对称性的聚合物携带光学活性的联萘型恶唑啉化合物(其中R 1和R 2可以相同或不同) 彼此分别表示氢原子,碳原子数为1〜6的烷基等; R 3是氢原子或-R 5 -SR R 4是氢原子等; R 5是直链或支链脂族烃链,其可以具有 直接或间接键合的取代基; X是CH 2,CO 2,O,CONR 7或NR 7; R 6是直接或间接结合的聚合物; R 7是氢原子等)和使用该化合物作为配体的过渡金属络合物。

    Process for preparing optically active oxazolidinone derivative
    4.
    发明授权
    Process for preparing optically active oxazolidinone derivative 失效
    光学活性恶唑烷酮衍生物的制备方法

    公开(公告)号:US06403804B1

    公开(公告)日:2002-06-11

    申请号:US09456950

    申请日:1999-12-07

    IPC分类号: C07D26304

    摘要: Disclosed is a process for preparing an optically active oxazolidinone derivative comprising allowing hydrazine to react on an optically active ester having a hydroxyl group at the 3-position which is represented by formula (II): wherein R1 represents a lower alkyl group having 1 to 4 carbon atoms, a phenyl group, a methoxymethyl group, a benzyloxymethyl group, a benzyloxycarbonylaminomethyl group which may have a substituent or substituents on the benzene ring thereof, an acylaminomethyl group having 3 to 10 carbon atoms, or an alkyloxycarbonylaminomethyl group having 3 to 6 carbon atoms; R2 and R3, which may be the same or different, each represent a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a phenyl group, an acetylaminomethyl group, a benzoylaminomethyl group, or a benzyl group; and * indicates an asymmetric carbon atom, and subjecting the resulting hydrazide to Curtius rearrangement.

    摘要翻译: 公开了一种制备光学活性恶唑烷酮衍生物的方法,其包括使肼在由式(II)表示的3-位具有羟基的光学活性酯上反应:其中R1表示具有1-4个碳原子的低级烷基 碳原子,苯基,甲氧基甲基,苄氧基甲基,苯环上可以具有取代基的苄氧羰基氨基甲基,碳原子数3〜10的酰氨基甲基或碳原子数3〜6的烷氧基羰基氨基甲基 原子 R 2和R 3可以相同或不同,分别表示氢原子,碳原子数1〜4的低级烷基,苯基,乙酰氨基甲基,苯甲酰基氨基甲基或苄基。 和*表示不对称碳原子,并将所得酰肼进行柯氏重排。