A THERMALLY STABLE CARBONYL COMPLEX OF ZIRCONIUM .4. STRUCTURE AND REACTIVITY RAMIFICATIONS OF STRONG DELTA[-PI-ASTERISK ELECTRON DONATION

被引：43

作者：

ANTONELLI, DM ^{[1
]}

TJADEN, EB ^{[1
]}

STRYKER, JM ^{[1
]}

机构：

[1] UNIV ALBERTA,DEPT CHEM,EDMONTON T6G 2G2,ALBERTA,CANADA

来源：

ORGANOMETALLICS | 1994年 / 13卷 / 03期

关键词：

D O I：

10.1021/om00015a008

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The first isolable d0 CO complex of Zr(IV), [Cp*2Zr(eta3-C3H5)CO]+BPh4- (25, has been prepared by treatment of [Cp*2Zr(eta3-C3H5)]+BPh4- (1) with CO. The remarkable stability of this complex is attributed to strong sigma-->pi* donation from the neighboring allyl ligand, completely inhibiting fluxionality in the allyl fragment. The structure of complex 2 is compared to that of [(Cp*Zr(eta3-C3H5)(NC3H3NCH3)]+BPh4- (3), in which the allyl ligand is fluxional and eta3-bound to the metal center, and [CP*2Zr(eta1-CH2CH=CH2)(PMe3)]+BPh4- (4), which has a terminally coordinated allyl group. The reactivity of these complexes toward ligand substitution is also explored.

引用

页码：763 / 765

页数：3

共 19 条

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