Amidinato silylene complexes for bond activation and catalysis
This thesis primarily describes the development of amidinato silylene complexes for the purposes of bond activation and catalysis. Firstly, a paramagnetic dimeric amidinato cobaltosilylene was demonstrated to catalyze the regioselective C–H functionalization of arylpyridines by alkynes. It can also...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2019
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| Online Access: | https://hdl.handle.net/10356/103657 http://hdl.handle.net/10220/47433 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This thesis primarily describes the development of amidinato silylene complexes for the purposes of bond activation and catalysis. Firstly, a paramagnetic dimeric amidinato cobaltosilylene was demonstrated to catalyze the regioselective C–H functionalization of arylpyridines by alkynes. It can also catalyze Kumada-type cross-coupling reactions. Next, an amidinato silicon(I)–iron(II) dimer was shown to be active in the catalytic hydroboration of carbonyl compounds in the absence of auxiliary reducing agents. A silylene boronium cation then exhibited reversible aliphatic C–H bond activation, the first of its kind. Lastly, an amidinato amidosilylene performed the challenging B–H activation. |
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