Preparation of isonitriles
    18.
    发明授权
    Preparation of isonitriles 失效
    制备异腈体

    公开(公告)号:US4868323A

    公开(公告)日:1989-09-19

    申请号:US136343

    申请日:1987-12-22

    Applicant: Lin-Chen Yu

    Inventor: Lin-Chen Yu

    CPC classification number: C07C291/10

    Abstract: Phenyl isonitriles are prepared by reaction of substantially equimolar amounts on N-arylformimidates and a lithium dialkylamide.

    Abstract translation: 通过基本上等摩尔量的N-芳基甲酰亚胺酯和二烷基二烷基锂的反应来制备苯基异腈。

    Method of preparing dialkoxybenzoic acid
    19.
    发明授权
    Method of preparing dialkoxybenzoic acid 失效
    二烷氧基苯甲酸的制备方法

    公开(公告)号:US4845277A

    公开(公告)日:1989-07-04

    申请号:US234524

    申请日:1988-08-22

    Applicant: Lin-Chen Yu

    Inventor: Lin-Chen Yu

    CPC classification number: C07C51/15

    Abstract: 2,6-dialkoxybenzoic acid is made by direct metalation of 1,3-dialkoxybenzene by potassium. The metalated dialkoxybenzene is carbonated and acidified to form the dialkoxybenzoic acid.

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