The invention relates to a compound of formula (I) wherein X represents a low alkylen group, an arylene group or an alkarylene group, L1 has formula (II) wherein Y1 represents oxygen, sulphur or N—R17, R11, R12, R13, R14, R15, R16, R17 independently represent hydrogen, alkyl or aryl, L2 has formula (III) wherein Y2 represents oxygen, sulphur or N—R27, R21, R22, R23, R24, R25, R26, R27 independently represent hydrogen, alkyl or aryl wherein L1 and L2 can be identical or different. The inventive compound is suitable for use as a catalyst or for producing a catalyst system.
该发明涉及一种化合物,其
化学式为(I),其中X代表低烷基、芳基或烷基芳基,L1具有
化学式(II),其中Y1代表氧、
硫或N—R17,R11、R12、R13、R14、R15、R16、R17分别代表氢、烷基或芳基,
L2具有
化学式(III),其中Y2代表氧、
硫或N—R27,R21、
R22、R23、R24、R25、R26、R27分别代表氢、烷基或芳基,其中L1和
L2可以相同也可以不同。该创新化合物适用于用作催化剂或用于生产催化剂系统。