申请人:BASF Aktiengesellschaft
公开号:US06166234A1
公开(公告)日:2000-12-26
Novel tripodal cyclopentadiene derivatives have the formula (I) ##STR1## where E are identical or different and are --N(R)(R), --P(R)(R), --As(R)(R), --Sb(R)(R), --OR, --SR, --SeR, --TeR, where R are identical or different and are each hydrogen, a C.sub.1 -C.sub.20 -carboorganic radical or a C.sub.1 -C.sub.30 -organosilicon radical, or E is a leaving group X and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 are identical or different and are each hydrogen, a C.sub.1 -C.sub.20 -carboorganic radical or a C.sub.1 -C.sub.30 -organosilicon radical, Z is a cyclopentadienyl radical or a substituted cyclopentadienyl structural unit and T is hydrogen, a C.sub.1 -C.sub.20 -carboorganic radical or a C.sub.1 -C.sub.30 -organosilicon radical or a group E--Y--, where E is --N(R)(R), --P(R)(R), --As(R)(R), --Sb(R)(R), --OR, --SR, --SeR, --TeR or a leaving group X, where R are identical or different and are each hydrogen, a C.sub.1 -C.sub.20 -carboorganic radical or a C.sub.1 -C.sub.30 - organosilicon radical and Y is a C.sub.1 -C.sub.20 -organic group which connects E to C.sup.1.
新型三脚立环戊二烯衍生物的化学式为(I) ##STR1## 其中E相同或不同,可以是--N(R)(R),--P(R)(R),--As(R)(R),--Sb(R)(R),--OR,--SR,--SeR,--TeR,其中R相同或不同,可以是氢,C.sub.1-C.sub.20 碳有机基团或C.sub.1-C.sub.30 有机硅基团,或者E是一个离去基团X,而R.sup.1,R.sup.2,R.sup.3,R.sup.4,R.sup.5,R.sup.6相同或不同,可以是氢,C.sub.1-C.sub.20 碳有机基团或C.sub.1-C.sub.30 有机硅基团,Z是一个环戊二烯基团或取代的环戊二烯基团结构单元,T是氢,C.sub.1-C.sub.20 碳有机基团或C.sub.1-C.sub.30 有机硅基团或E--Y--基团,其中E是--N(R)(R),--P(R)(R),--As(R)(R),--Sb(R)(R),--OR,--SR,--SeR,--TeR或一个离去基团X,其中R相同或不同,可以是氢,C.sub.1-C.sub.20 碳有机基团或C.sub.1-C.sub.30 有机硅基团,Y是一个C.sub.1-C.sub.20 有机基团,用于将E连接到C.sup.1。