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    • 95. 发明授权
    • Process for the preparation of phosphonic acid dihalides
    • 制备膦酸二卤化物的方法
    • US3972923A
    • 1976-08-03
    • US415341
    • 1973-11-13
    • Manfred FinkeHans-Jerg KleinerGerhard StahlerKlaus Dehmer
    • Manfred FinkeHans-Jerg KleinerGerhard StahlerKlaus Dehmer
    • C07F9/42
    • C07F9/42
    • Process for preparing phosphonic acid dihalides of the formula ##EQU1## wherein R is alkyl of 1 to 18 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, alkenyl of 2 to 18 carbon atoms, phenyl, phenalkyl or alkyl-phenyl of 7 to 8 carbon atoms, phenyl, phenalkyl or alkyl-phenyl of 7 to 8 carbon atoms, all radicals R optionally being substituted by chlorine, bromine, cyano or lower acyloxy, and wherein X is halogen such as 2-chloroethane phosphonic acid dichloride, by reacting phosphonic or thio-phosphonic acids of the formula ##EQU2## wherein Y is oxygen or sulfur, their salts or functional derivatives, with acid halides of the formula(CO).sub.n X.sub.2 (III)wherein X is chlorine or bromine and n is 1 or 2, in the presence of 0.2 - 5% or in the presence of 0.01 to 0.2% by weight of1. compounds containing at least one tri- to pentavalent nitrogen or phosphorus atom, which in the case of nitrogen is bound with 1 to 4, in the case of phosphorus with at least 3 valences to organic radicals having up to 20 carbon atoms, two of these valences optionally forming a double bond, or2. mono-di- or tribasic organic or inorganic fully amidated acids or tri- or pentavalent phosphorus, the N atom of which optionally being substituted by aliphatic radicals having up to 20 carbon atoms, and the organic radicals of which contain up to 20 carbon atoms,If required, in the presence of an inert solvent.
    • 制备式XRP膦酸二卤化物的方法其中R为1至18个碳原子的烷基,4至8个碳原子的环烷基,2至18个碳原子的烯基,苯基,苯烷基或烷基 - 7至8个碳原子的苯基,7至8个碳原子的苯基,苯烷基或烷基 - 苯基,所有基团R任选被氯,溴,氰基或低级酰氧基取代,其中X是卤素如2-氯乙烷膦酸 通过使式YH RP ANGLE(II)PARALLEY YYH的膦酸或硫代膦酸与式(CO)n X 2(III)的酰卤反应,其中Y是氧或硫,其盐或官能衍生物,其中X是 氯或溴,n为1或2,在0.2-5%的存在下或在0.01至0.2重量%的存在下。1.含有至少一种三价或多价的硝酸或磷酸盐的化合物 氮在1至4之间,至少在磷酸盐的情况下 有机碳有机物多达20个碳原子,两个这样的价格可选地形成双重键,或2.单独或有机有机或无机全酰胺或三价或三价硼,其中N原子任选 被具有至多20个碳原子的脂族基团取代,并且其有机基团含有至多20个碳原子,如果需要,在惰性溶剂存在下。
    • 98. 发明授权
    • Substituted diphenyldiphosphines and a process for their preparation
    • 取代的二苯基二膦及其制备方法
    • US5972825A
    • 1999-10-26
    • US95195
    • 1998-06-10
    • Dieter RegnatHans-Jerg KleinerHelmut Bahrmann
    • Dieter RegnatHans-Jerg KleinerHelmut Bahrmann
    • C07F9/50B01J21/18
    • C07F9/5027
    • The present invention relates to compounds of the formula (I) ##STR1## where R.sup.1 is H or an alkyl radical having from 1 to 12 carbon atoms, R.sup.2 is a straight-chain alkylene radical having from 1 to 8 carbon atoms, an oxygen-containing alkylene radical having from 2 to 4 carbon atoms, a radical of the formula (II) or (III) ##STR2## or a cycloalkylene radical having from 3 to 10 carbon atoms, R.sup.3 is an alkyl radical having from 1 to 25 carbon atoms or an aryl radical having from 6 to 10 carbon atoms, A is a radical --COO.sup.- or --SO.sub.3 .sup.- and x=0, y=1, m=1 and n=1, or x=1, y=1, m=(1 or 2) and n=(1 or 2), or, if R.sup.2 is a radical of the formula (II) or (III), x=1, y=0, m=(0 or 1) and n=(0 or 1), and also a process for their preparation.
    • 本发明涉及式(I)化合物,其中R 1为H或具有1至12个碳原子的烷基,R 2为具有1至8个碳原子的直链亚烷基,含氧亚烷基 具有2至4个碳原子的式(II)或(III)的基团或具有3至10个碳原子的亚环烷基,R 3是具有1至25个碳原子的烷基或具有 6至10个碳原子,A是基团-COO-或-SO 3 - ,x = 0,y = 1,m = 1和n = 1,或x = 1,y = 1,m =(1或2) 或n =(1或2),或者如果R2是式(II)或(III)的基团,则x = 1,y = 0,m =(0或1)和n =(0或1) ,以及它们的制备过程。