Process for the preparation of bronopol
    1.
    发明授权
    Process for the preparation of bronopol 有权
    制备青霉素的方法

    公开(公告)号:US08729314B2

    公开(公告)日:2014-05-20

    申请号:US14012411

    申请日:2013-08-28

    Inventor: Jacob Oren

    CPC classification number: C07C201/10 C07C201/12 C07C205/15

    Abstract: The invention provides a process for preparing bronopol, which process comprises charging a reaction vessel with water, bromopicrin, nitromethane and paraformaldehyde, gradually feeding a base into said reaction vessel under stirring, bringing the reaction to completion and separating bronopol from the aqueous reaction mixture.

    Abstract translation: 本发明提供了一种制备青霉酚的方法,该方法包括向反应容器中加入水,溴氰菊酯,硝基甲烷和多聚甲醛,在搅拌下逐渐向碱性物质中加入碱,使反应完成,并从反应混合物中分离出丙三醇。

    Preparation of fluorotrinitromethane
    2.
    发明授权
    Preparation of fluorotrinitromethane 失效
    氟硝基甲烷的制备

    公开(公告)号:US4115459A

    公开(公告)日:1978-09-19

    申请号:US513630

    申请日:1974-10-09

    CPC classification number: C07C201/12

    Abstract: Fluorotrinitromethane is synthesized by reacting tetranitromethane with an adduct of an alkali metal fluoride and a fluorinated or chlorofluorinated acetone in an aprotic dipolar solvent.

    Abstract translation: 氟化硝基甲烷是通过在非质子偶极溶剂中使四硝基甲烷与碱金属氟化物和氟化或氯氟化丙酮的加合物反应而合成的。

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