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Abstract
The structural chemistry of eleven donor complexes of the important Brønsted base potassium 1,1,1,3,3,3-hexamethyldisilazide (KHMDS) has been studied. Depending on the donor, each complex adopted one of four general structural motifs. Specifically, in this study the donors employed were toluene (to give polymeric 1 and dimeric 2), THF (dimeric 3), N,N,N',N'-tetramethylethylenediamine (TMEDA) (dimeric 4), (R,R)-N,N,N',N'-tetramethyl-1,2-diaminocyclohexane [(R,R)-TMCDA] (dimeric 5), 12-crown-4 (dimeric 6), N,N,N',N'-tetramethyldiaminoethyl ether (TMDAE) (tetranuclear dimeric 8 and monomeric 10), N,N,N',N',N''-pentamethyldiethylentriamine (PMDETA) (tetranuclear dimeric 7), tris[2-dimethyl(amino)ethyl]amine (Me6TREN) (tetranuclear dimeric 9) and tris{2-(2-methoxyethoxy)ethyl}amine (TMEEA) (monomeric 11). The complexes were also studied in solution by 1H and 13C NMR spectroscopy as well as DOSY NMR spectroscopy.
Original language | English |
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Pages (from-to) | 6392-6403 |
Number of pages | 12 |
Journal | Dalton Transactions |
Volume | 46 |
Issue number | 19 |
Early online date | 3 May 2017 |
DOIs | |
Publication status | Published - 15 May 2017 |
Keywords
- structural chemistry
- Brønsted base potassium
- structural motifs
- spectroscopic analysis
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Dive into the research topics of 'Exploring the solid state and solution structural chemistry of the utility amide potassium hexamethyldisilazide (KHMDS)'. Together they form a unique fingerprint.Projects
- 2 Finished
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Lithium Cuprates to Copper Lithiates: A New Dawn in Metal Catalysed Chemistry
O'Hara, C. (Principal Investigator)
EPSRC (Engineering and Physical Sciences Research Council)
1/07/13 → 30/06/15
Project: Research
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Chiral Concepts in s-Block Metal Amide Chemistry | Ojeda Amador, Ana Isabel
Ojeda Amador, A. I. (Research Co-investigator)
EPSRC (Engineering and Physical Sciences Research Council)
1/10/12 → 21/11/16
Project: Research Fellowship - Internally Allocated