STERICALLY DEMANDING DIAMIDE LIGANDS - SYNTHESIS AND STRUCTURE OF D(0) ZIRCONIUM ALKYL DERIVATIVES

被引:113
作者
SCOLLARD, JD [1 ]
MCCONVILLE, DH [1 ]
VITTAL, JJ [1 ]
机构
[1] UNIV WESTERN ONTARIO,DEPT CHEM,LONDON,ON N6A 5B7,CANADA
关键词
D O I
10.1021/om00012a009
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The chelating diamide complexes (BDAP)Zr(NMe(2))(2) (2), (BDAP)ZrCl2(py)(2) (4), (BDAP)ZrR(2) (5a, R = CH(2)Ph; 5b, R = Me), (BDAP)Zr(eta(5)-Cp)Cl (5c), and (BDAP)Zr(eta(2)(N,C)-NC5H4)(CH(2)CMe(2)Ph) (5d) (BDAP = ArNCH2CH2CH2NAr; Ar = 2,6-Pr-i(2)-C6H3) have been prepared. An X-ray study of (BDAP)Zr(eta(2)(N,C)-NC5H4)(CH(2)CMe(2)Ph) (5d) revealed an eta(2)-pyridyl moiety bound to zirconium. Proton and carbon NMR data suggest that the pyridyl moiety in. 5d is rotating rapidly about the Zr-C bond on the NMR time scale.
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页码:5478 / 5480
页数:3
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