Dimerization of β-diketiminato calcium complexes through dihapto-acetylide ligation

被引：48
作者：
Avent, AG
Crimmin, MR
Hill, MS
Hitchcock, PB
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England
[2] Univ Sussex, Chem Lab, Brighton BN1 9QJ, E Sussex, England
来源：
ORGANOMETALLICS | 2005年 / 24卷 / 06期
关键词：
D O I：
10.1021/om0490334
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The "selective" protonolysis of the beta-diketiminato calcium derivative [Ca{(NDippCMe)(2)CH}{N(Si-Me-3)(2)}(THF)] (Dipp = (C6H3Pr2)-Pr-i-2,6) with a selection of terminal alkynes has produced a series of dimeric acetylides [Ca{(NDippCMe)(2)CH}{mu-C equivalent to CR}](2), which have been characterized in solution and in the solid state. The asymmetry of the Ca-C-Ca' bridges is subtly dependent upon the extent of "side-on" (pi-type) interaction between the acetylide unit and the Ca' centers.
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收藏
页码：1184 / 1188
页数：5
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