13C, 15N and 29Si nuclear magnetic resonance studies of some aminosilanes and aminodisilanes
β Scribed by Bernd Wrackmeyer; Carin Stader; Hong Zhou
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 666 KB
- Volume
- 45
- Category
- Article
- ISSN
- 1386-1425
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## Abstract The ^13^C and ^15^N n.m.r. results for a series of diazo compounds are reported. It is found that the diazo carbon is shielded by an extraordinary amount compared with normal sp^2^ hybridized carbons. The ^15^N chemical shifts reveal that the terminal nitrogen is deshielded relative to
Silicon-29 spin-lattice relaxation times and 29Si-(1H} nuclear Overhauser enhancements are reported for five trialkylsilanes and for sym-tetramethyldisiloxane, all of which contain a direct Si-H bond. Relaxation rate contributions from (Si, H) dipolar interactions and from other mechanisms are evalu