Phosphorus magnetic resonance spectra of open-chain linear polyphosphates
β Scribed by J.C MacDonald; M Mazurek
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 841 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
Phosphorus-31 liver spectra were recorded from 6 controls and 12 patients with liver disease using TR values of 0.5 and 5 s and a pulse angle of 45 degrees. One of the control subjects was also examined at seven TR values ranging from 0.5 to 20 s. Spectra from one additional patient were collected a
butyl ether and, after decomposition of the excess of hydride with sulfuric acid, the product (5) was distilled off together with some solvent. By extraction with conc. sulfuric acid and distillation over sodium we obtained a 37% yield of the hydrocarbon (5)' b.p. 87 "C and [a]?," = -7.8 O (c =-2.5,