Synthesis and Crystal Structure of the Half-Sandwich Cobalt Complexes Based on 1,2-Dicarba-closo-dodecaborane-1,2-dithiolate Ligand and Trimethylphosphine, Phenyldimethylphosphine, and Diphenylmethylphosphine
Treatment of o -carborane with n -butyllithium, sulfur and CpCo(CO)I 2 in CH 2 Cl 2 at room temperature gives the half-sandwich 16e carborane complex CpCo[S 2 C 2 B 10 H 10 ], which reacts with PPh 2 Me, PPhMe 2 , PMe 3 to afford addition products CpCo[S 2 C 2 B 10 H 10 ]PPh 2 Me ( I ), CpCo[S 2 C 2 B 10 H 10 ]PPhMe 2 ( II ), CpCo[S 2 C 2 B 10 H 10 ]PMe 3 ( III ), respectively. I , II and III have been characterized by IR, 1 H NMR, 13 C NMR, 11 B NMR, elemental analysis, mass spectrum and single-crystal X-ray diffraction analysis (CIF files CCDC nos. 2394909 ( I ), 2394910 ( II ), and 2394908 ( III )).
研究领域:
无机化学
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有机金属化学
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晶体学
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配位化学
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硼化学
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