Group 4 metallacarboranes of constrained geometries derived from B (cage)-and C (cage)-silylamido-substituted carborane ligands: a synthetic and structural …

J Wang, Y Zhu, S Li, C Zheng, JA Maguire…

Index: Wang, Jianhui; Zhu, Yinghuai; Li, Shoujian; Zheng, Chong; Maguire, John A.; Hosmane, Narayan S. Journal of Organometallic Chemistry, 2003 , vol. 680, # 1-2 p. 173 - 181

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Abstract

The reactions of RNHSi (Me) 2Cl (1, R= t-Bu; 2, R= 2, 6-(Me2CH) 2C6H3) with the carborane ligands, nido-1-Na (C4H8O)-2, 3-(SiMe3) 2-2, 3-C2B4H5 (3) and Li [closo-1-R′- 1, 2-C2B10H10](4), produced two kinds of neutral ligand precursors, nido-5-[Si (Me) 2N (H) R]-2, 3-(SiMe3) 2-2, 3-C2B4H5,(5, R= t-Bu) and closo-1-R′-2-[Si (Me) 2N (H) R]-1, 2- C2B10H10 (6, R= t-Bu, R′= Ph; 7, R= 2, 6-(Me2CH) 2C6H3, R′= H), in 85, 92, and 95% ...

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