The preparation of some 17O-enriched oxides
β Scribed by G. Garton; P.J. Walker
- Book ID
- 113185133
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 329 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0025-5408
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π SIMILAR VOLUMES
## Abstract The ^17^O NMR chemical shifts of five enriched amino acids have been measured under strictly controlled conditions of concentration, ionic strength, pH and temperature. The Ξ±, Ξ² and Ξ±, Ξ³ carboxyl resonances of aspartic and glutamic acid, respectively, have been resolved. Line widths wer
## Abstract ^17^Oβenriched acetic acid (2.5% in ^17^O) was synthesized by hydrolysis of acetic anhydride with ^17^Oβenriched water. The reaction was monitored by ^17^O and ^1^H NMR spectroscopy. Acetic anhydride, ^17^Oβenriched in both the ether and the carbonyl oxygens, was observed as an intermed