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
29Si and 13C NMR studies of organosilicon chemistry. V—Sugar derivatives
✍ Scribed by D. J. Gale; A. H. Haines; R. K. Harris
- Publisher
- John Wiley and Sons
- Year
- 1975
- Tongue
- English
- Weight
- 225 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
^29^Si spectra have been obtained for four trimethylsilylated hexopyranoside sugars, and the resonance due to the CH~2~OSiMe~3~ group at position 5 has been assigned by experiments involving gated decoupling at a single ^1^H frequency.
📜 SIMILAR VOLUMES
## Abstract ^29^Si and ^13^C NMR chemical shifts are reported for __tert__‐butyldimethylsilyl (TBDMS) derivatives of ten common amino acids. The ^29^Si chemical shifts of TBDMS derivatives of various functionalities encountered fall into distinct spectral regions. The ^29^Si chemical shifts correla
## Abstract The ^29^Si and ^13^C NMR chemical shifts are reported for trimethylsilyl derivatives of 25 amino acids, the majority of which occur naturally as protein constituents of foodstuffs. The ^29^Si chemical shifts in trimethylsilyl esters of amino acids roughly correlate linearly with the p__
Chemical shift and scalar coupling constant data have been obtained for the 'H, -C and "Si nuclei in dyl, methallyl, cis-and trans-croty1, cis-2-methyI-2-butenyl and 3-methyl-2-butenyl derivatives of trimethylsilane.