申请人:Bayer Aktiengesellschaft
公开号:US04377537A1
公开(公告)日:1983-03-22
A process for the preparation of an alkane phosphonic acid diaryl ester or an alkane phosphinic acid aryl ester of the formula ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.20 alkyl or alkenyl group, R.sup.2 is a C.sub.1 -C.sub.20 alkyl or alkenyl group or a C.sub.6 -C.sub.10 aryl or aryloxy group, R.sup.3 is C.sub.6 -C.sub.10 aryl group, k is 0 or 1, p is 1 or 2, k+p=2, plus an alkane phosphonic acid diaryl ester, alkane phosphinic acid aryl ester or phosphine oxide of the formula ##STR2## R.sup.4 and R.sup.5 each independently is C.sub.1 -C.sub.20 alkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.6 -C.sub.10 aryloxy group, R.sup.6 is C.sub.1 -C.sub.20 alkyl or alkenyl group, n and m each is 0, 1 or 2, and n+m=2, comprising reacting an aryloxy compound of trivalent phosphorus of the formula ##STR3## (a) with an alkyl phosphite or alkyl phosphonite of the formula ##STR4## in the presence of an Arbusow catalyst, or (b) a rearrangement product formed in the presence of an Arbusow catalyst and of the formula ##STR5##
制备烷基膦酸二芳基酯或烷基膦酸芳基酯的方法,其化学式为##STR1##
其中,R1为C1-C20烷基或烯基,R2为C1-C20烷基或烯基或C6-C10芳基或芳氧基基团,R3为C6-C10芳基基团,k为0或1,p为1或2,k+p=2,再加上烷基膦酸二芳基酯、烷基膦酸芳基酯或磷氧化物的化学式为##STR2##
其中,R4和R5各自独立地为C1-C20烷基基团、C6-C10芳基基团或C6-C10芳氧基基团,R6为C1-C20烷基或烯基,n和m各为0、1或2,n+m=2,包括将三价磷的芳氧化合物的化学式为##STR3##
(a)与烷基亚磷酸酯或烷基亚膦酸酯的化学式为##STR4##
在阿布索催化剂的存在下反应,或(b)在阿布索催化剂的存在下形成的重排产物,其化学式为##STR5##