CHROMONE COMPOUNDS AND USE THEREOF
    3.
    发明申请
    CHROMONE COMPOUNDS AND USE THEREOF 审中-公开
    色酮化合物及其用途

    公开(公告)号:WO99019318A1

    公开(公告)日:1999-04-22

    申请号:PCT/JP1998/004524

    申请日:1998-10-07

    Abstract: Novel substituted chromone compounds which are intermediates for chromone compounds useful as bactericides and herbicides. Specifically, substituted chromone compounds represented by general formula (1) wherein R represents hydrogen, C1-6 alkyl, etc.; R represents hydrogen or C1-6 alkyl; R represents halogeno, etc.; R represents hydrogen, halogeno, etc.; R represents hydrogen, C1-6 alkyl, etc.; X represents oxygen or sulfur; and A represents nitro, etc.

    Abstract translation: 新颖的取代色酮化合物,其是用作色酮化合物的中间体,可用作杀菌剂和除草剂。 具体来说,由通式(1)表示的取代的色酮化合物,其中R 1表示氢,C 1-6烷基等; R 2表示氢或C 1-6烷基; R 3表示卤素等。 R 4表示氢,卤素等; R 5表示氢,C 1-6烷基等; X表示氧或硫; A代表硝基等

    THE ADDITION OF OXYGEN NUCLEOPHILES TO VINYL EPOXIDES
    5.
    发明申请
    THE ADDITION OF OXYGEN NUCLEOPHILES TO VINYL EPOXIDES 审中-公开
    氧化烯烃对环氧树脂的添加

    公开(公告)号:WO00014033A1

    公开(公告)日:2000-03-16

    申请号:PCT/GB1999/002973

    申请日:1999-09-08

    Abstract: Nucleophilic oxygen species, such as primary alcohols, carboxylates, and water, are added to vinyl epoxides in a highly regioselective and enantioselective manner, providing a convenient route to enantiomerically enriched 2,2-diols and oxygen-containing heterocycles. The reaction employs a chireal Pd(0) complex and a borane or borate as co-catalysts. Also described are similar additions of nitrogen nucleophils, and the addition of carbonates to vinyl epoxides using a chiral Pd(0) catalyst.

    Abstract translation: 将亲核氧,如伯醇,羧酸盐和水以高度区域选择性和对映选择性的方式添加到乙烯基环氧化物中,为对映体富集的2,2-二醇和含氧杂环提供了方便的途径。 该反应采用chireal Pd(0)络合物和硼烷或硼酸盐作为助催化剂。 还描述了类似的氮亲核物的添加,以及使用手性Pd(0)催化剂将碳酸酯加成到乙烯基环氧化物中。

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