Reactivity of electron-deficient triosmium quinoline cluster [Os3(CO)9(μ3-η2-C9H6N)(μ-H)] with alkynes

被引：10
|
作者：
Ghosh, Shishir [1 ]
Al-Mamun, Md Rafique [1 ]
Hossain, G. M. Golzar [2 ]
Kabir, Shariff E. [1 ]
机构：
[1] Jahangirnagar Univ, Dept Chem, Dhaka 1342, Bangladesh
[2] Univ Dhaka, Dept Chem, Dhaka 1000, Bangladesh
来源：
INORGANICA CHIMICA ACTA | 2011年 / 378卷 / 01期
关键词：
Triosmium clusters; Carbonyls; Alkenyl complexes; X-ray structure; MOLECULAR-STRUCTURE; CHEMISTRY; CRYSTAL; LIGAND;
D O I：
10.1016/j.ica.2011.08.023
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of the electron-deficient triosmium cluster [Os-3(CO)(9)(mu(3)-eta(2)-C9H6N)(mu-H)](1) with various alkynes are described. Cluster 1 readily reacts with the activated alkyne dimethyl acetylenedicarboxylate (dmad) upon mild heating (65-70 degrees C) to give the adduct [Os-3(CO)(9)(mu-C9H6N)(mu(3)-MeO2CCCHCO2Me)] (2). In contrast, a similar reaction of 1 with diphenylacetylene affords previously reported compounds [Os-3(CO)(10)(mu-eta(2)-C9H6N)(mu-H)] (3), [Os-3(CO)(9)(mu-C4Ph4)] (4) and [Os-3(CO)(8){mu(3)-C(C6H4)C3Ph3}(mu-H)] (5) while with 2-butyne gives only the known compound [Os-3(CO)(7)(mu-C4Me4)(mu(3)-C2Me2)] (6). The new cluster 2 has been characterized by a combination of spectroscopic data and single crystal X-ray diffraction analysis. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：307 / 310
页数：4
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