申请人:Hill Michael
公开号:US20130126805A1
公开(公告)日:2013-05-23
The invention relates to a method for producing alkylphosphonous acid salts, characterised in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salts or esters thereof (II), b) the thus obtained alkylphosphonous acid, the salts or esters thereof (II) are reacted with metal compounds of Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base to obtain the corresponding alkylphosphonous acid salts (III) of said metals and/or a nitrogen compound, wherein R
1
, R
2
, R
3
, R
4
are the same or different and independently of each other represent H, C
1
-C
18
-alkyl, C
6
-C
18
-aryl, C
7
-C
18
-arylalkyl, C
7
-C
18
-alkylaryl and Y represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a nitrogen compound and n represents ¼, ⅓, ½, 1 and the catalyst A is a transition metal and/or transition metal compound and/or catalyst systems which are composed of a transition metal and/or a transition metal compound and at least one ligand.
本发明涉及一种生产烷基膦酸盐的方法,其特征在于:a)在催化剂A的存在下,将膦酸源(I)与烯烃(IV)反应,得到烷基膦酸、其盐或酯(II);b)将所得的烷基膦酸、其盐或酯(II)与Mg、Ca、Al、Sb、Sn、Ge、Ti、Fe、Zr、Zn、Ce、Bi、Sr、Mn、Li、Na、K和/或质子化的氮碱基的金属化合物反应,得到相应的该金属和/或氮化合物的烷基膦酸盐(III),其中R1、R2、R3、R4相同或不同,且独立地表示H、C1-C18烷基、C6-C18芳基、C7-C18芳基烷基、C7-C18烷基芳基,Y表示Mg、Ca、Al、Sb、Sn、Ge、Ti、Fe、Zr、Zn、Ce、Bi、Sr、Mn、Li、Na、K和/或氮化合物,n表示1/4、1/3、1/2、1,催化剂A是过渡金属和/或过渡金属化合物和/或由过渡金属和/或过渡金属化合物和至少一种配体组成的催化体系。