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    • 1. 发明授权
    • Bis(diorganophosphino)methanes
    • 双(二有机膦基)甲烷
    • US5756847A
    • 1998-05-26
    • US874533
    • 1997-06-13
    • Arthur HohnJustin Wolf
    • Arthur HohnJustin Wolf
    • C07F9/46C07F9/48C07F9/50C07F9/70C07F9/72C07F9/90C07F9/92
    • C07F9/5009C07F9/48C07F9/5027C07F9/5068
    • Preparation of methylene-bridged compounds of the formula I ##STR1## where R.sup.1 to R.sup.4 are identical or different and are each saturated C.sub.1 -C.sub.30 -hydrocarbyl, unsubstituted phenyl, phenyl substituted by substituents inert under the reaction conditions, or hydrogen, E.sup.1 and E.sup.2 are identical or different and are each phosphorus, arsenic or antimony, and X is a chemical bond or oxygen by reacting a tin compound of the general formula II R.sub.3.sup.5 Sn--CH.sub.2 M II, where R.sup.5 is C.sub.1 -C.sub.20 -hydrocarbyl and M is an alkali metal, with a compound of the general formula III ##STR2## where Y is halogen, metallating the thus-obtained tin compound of the general formula IV ##STR3## with an alkali organometallic, and reacting the product with a compound of the general formula V ##STR4## to give a methylene-bridged compound of the formula I. And novel 45 bis(diorganophosphino)methanes.
    • 制备式I的亚甲基桥接化合物其中R 1至R 4相同或不同,并且各自为饱和的C 1 -C 30 - 烃基,未被取代的苯基,被在反应条件下为惰性的取代基取代的苯基,或氢,E1和 E2是相同或不同的,各自是磷,砷或锑,X是化学键或氧,通过使通式IIR35Sn-CH2MII的锡化合物(其中R5是C1-C20烃基,M是碱金属)反应, 与通式III的化合物III,其中Y是卤素,用碱金属有机金属化由此得到的通式IV IV的锡化合物,并使产物与通式V的化合物 得到式I的亚甲基桥接化合物。和新颖的45双(二有机膦基)甲烷。
    • 2. 发明授权
    • Preparation of methylene-bridged hetero compounds and novel bis
(diorganophosphino) methanes
    • 亚甲基桥接的杂化合物和新的双(二有机膦基)甲烷的制备
    • US5698743A
    • 1997-12-16
    • US756478
    • 1996-11-26
    • Arthur HohnJustin Wolf
    • Arthur HohnJustin Wolf
    • C07F9/46C07F9/48C07F9/50C07F9/70C07F9/72C07F9/90C07F9/92
    • C07F9/5009C07F9/48C07F9/5027C07F9/5068
    • Preparation of methylene-bridged compounds of the formula I ##STR1## where R.sup.1 to R.sup.4 are identical or different and are each saturated C.sub.1 -C.sub.30 -hydrocarbyl, unsubstituted phenyl, phenyl substituted by substituents inert under the reaction conditions, or hydrogen, E.sup.1 and E.sup.2 are identical or different and are each phosphorus, arsenic or antimony, and X is a chemical bond or oxygen by reacting a tin compound of the general formula II R.sub.3.sup.5 Sn--CH.sub.2 M, II where R.sup.5 is C.sub.1 --C.sub.20 -hydrocarbyl and M is an alkali metal, with a compound of the general formula III ##STR2## where Y is halogen, metallating the thus-obtained tin compound of the general formula IV ##STR3## with an alkali organometallic, and reacting the product with a compound of the general formula V ##STR4## to give a methylene-bridged compound of the formula I. And novel bis(diorganophosphino)methanes.
    • 制备式I的亚甲基桥接化合物其中R 1至R 4相同或不同,并且各自为饱和的C 1 -C 30 - 烃基,未被取代的苯基,被在反应条件下为惰性的取代基取代的苯基,或氢,E1和 E2是相同或不同的,分别是磷,砷或锑,X是化学键或氧,通过使通式II R 35 Sn-CH 2 M的II化合物,其中R 5是C 1 -C 20烃基,M是碱 金属与通式III的化合物III,其中Y是卤素,用碱金属有机金属化由此得到的通式IV IV的锡化合物,并将产物与一般化合物 式V化合物,得到式I的亚甲基桥接化合物。和新型双(二有机膦基)甲烷。