Synthesis of boronic ester and boronic acid compound
    82.
    发明专利
    Synthesis of boronic ester and boronic acid compound 有权
    硼酸和硼酸化合物的合成

    公开(公告)号:JP2013100378A

    公开(公告)日:2013-05-23

    申请号:JP2013043972

    申请日:2013-03-06

    CPC classification number: C07K5/06191 C07F5/025 C07F5/04 Y02P20/55

    Abstract: PROBLEM TO BE SOLVED: To produce boronic ester and acid compounds in a large scale.SOLUTION: A composition includes an ether solvent having low miscibility with water and at least about 10 moles boronic ester compound represented by Formula (I), wherein R1 is an aliphatic group, aromatic group or aromatic heterocyclic group which may be optionally substituted; R2 is H, a nucleofugal group or an aliphatic group, aromatic group or aromatic heterocyclic group which may be optionally substituted; R3 is a nucleofugal group or an aliphatic group, aromatic group or aromatic heterocyclic group which may be optionally substituted; and R4 and R5 independently represent each an aliphatic group or aromatic group which may be optionally substituted; or R4 and R5 form an optionally substituted 5-10 membered ring having 0-2 additional ring hetero atoms selected from N, O or S together with an oxygen atom and a boron atom presenting between them.

    Abstract translation: 要解决的问题:大规模生产硼酸酯和酸性化合物。 解决方案:一种组合物包括与水混合性低的醚溶剂和至少约10摩尔由式(I)表示的硼酸酯化合物,其中R 1是脂族基团,芳族基团或芳族杂环基团,其可以被任选取代 ; R2是H,可以被任选取代的核末端基团或脂族基团,芳族基团或芳族杂环基团; R3是可以任选取代的核苷基或脂族基团,芳族基团或芳族杂环基团; 并且R 4和R 5各自独立地表示可任意取代的脂族基团或芳基; 或R 4和R 5形成任选取代的5-10元环,其具有0-2个选自N,O或S的环杂原子以及氧原子和在它们之间呈现的硼原子。 版权所有(C)2013,JPO&INPIT

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