Method for preparing trishydroxymethyl phosphine
    1.
    发明授权
    Method for preparing trishydroxymethyl phosphine 有权
    三羟甲基膦的制备方法

    公开(公告)号:US09447128B2

    公开(公告)日:2016-09-20

    申请号:US15023571

    申请日:2014-09-17

    CPC classification number: C07F9/5086 C07F9/5004

    Abstract: A method for preparing trishydroxymethyl phosphine from tetrakishydroxymethyl phosphonium salt, the method including at least the steps of continuously feeding a first reaction chamber with, from one hand, at least one tetrakishydroxymethyl phosphonium salt and, from another hand, at least one base, under conditions suitable for a reaction of the tetrakishydroxymethyl phosphonium salt(s) with the base(s), to form a mixture of trishydroxymethyl phosphine and formaldehyde; and continuously removing the formaldehyde.

    Abstract translation: 一种从四羟甲基鏻盐制备三羟甲基膦的方法,该方法至少包括以下步骤:从一方面连续供给至少一种四羟基甲基鏻盐,另一方面,在至少一种碱的条件下, 适合四羟基甲基鏻盐与碱的反应,形成三羟甲基膦与甲醛的混合物; 并连续除去甲醛。

    METHOD FOR PREPARING PHOSPHINE-BASED METAL BINDING PARTICLES
    3.
    发明申请
    METHOD FOR PREPARING PHOSPHINE-BASED METAL BINDING PARTICLES 有权
    用于制备基于磷酸盐的金属结合颗粒的方法

    公开(公告)号:US20150203387A1

    公开(公告)日:2015-07-23

    申请号:US14428882

    申请日:2012-09-17

    Abstract: The invention relates to a method for preparing phosphine-based selective transition metal binding particles, said method comprising at least a step of reacting macroporous particles comprising at least one “NH” reactive function reacted with at least one molar equivalent of a phosphine derivative R—P(CH2OH)2, with a nucleophile reactive agent of formula NHRaRb, wherein NHRaRb comprises at least one “NH” function.

    Abstract translation: 本发明涉及一种制备基于膦的选择性过渡金属结合颗粒的方法,所述方法至少包括使包含至少一个“NH”反应性官能团的大孔颗粒与至少一摩尔当量的膦衍生物R- P(CH 2 OH)2,与式NHRaRb的亲核反应剂,其中NHRaRb包含至少一个“NH”官能团。

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