1H, 13C and 19F NMR studies on fluorinated ethers
The enflurane and ethoxyflurane 1H, 13C and 19F NMR spectra are examined-including sign determination of FF and FH couplings-and considered in the light of previously reported results for methoxyflurane. Conformational differences between methoxyflurane and the former two molecules are indicated by...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
| Publicado: |
1988
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
| LEADER | 05101caa a22005417a 4500 | ||
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| 001 | PAPER-753 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250204095015.0 | ||
| 008 | 190411s1988 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-10944264126 | |
| 030 | |a SAMCA | ||
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Balonga, P.E. | |
| 245 | 1 | 0 | |a 1H, 13C and 19F NMR studies on fluorinated ethers |
| 260 | |c 1988 | ||
| 270 | 1 | 0 | |m Balonga, P.E.; Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C. Universitaria Pab. I, 1428 Buenos Aires, Argentina |
| 504 | |a Facelli, Giribet, Contreras, The use of partially restricted molecular orbitals to investigate transmission mechanisms of spin-spin coupling constants. III—an INDO study of long-range FH couplings in fluorinated derivatives of toluene (1982) Organic Magnetic Resonance, 19, p. 138 | ||
| 504 | |a Engelmann, Contreras, Transmission mechanisms of spin-spin coupling constants within theCHF approximation: Their study using inner projections of the polarization propagator (1983) International Journal of Quantum Chemistry, 23, p. 1033 | ||
| 504 | |a Scuseria, Contreras, Ab initio calculations of through-space nuclear spin?spin coupling constants with theIPPP method (1986) International Journal of Quantum Chemistry, 20 S, p. 603 | ||
| 504 | |a Schaefer, Rowbothan, (1974) Chem. Phys. Lett., 29, p. 633 | ||
| 504 | |a Barfield, Walter, Clark, Gribble, Haden, Kelly, Le Houllier, Proton, carbon-13 and fluorine-19 NMR studies ofN-alkyl-8-fluoroquinolinium halides: Relative signs of through-space1H19F and13C19F coupling constants (1982) Organic Magnetic Resonance, 20, p. 92 | ||
| 504 | |a Yamamoto, Oki, (1985) Tetrahedron Lett., 26, p. 457 | ||
| 504 | |a Yamamoto, Oki, (1984) J. org. Chem., 49, p. 1913 | ||
| 504 | |a Balonga, Kowalewski, Contreras, (1986) Spectrochim. Acta, 42 A, p. 23 | ||
| 504 | |a Dadok, Sprecher, (1974) J. magn. Reson., 13, p. 243 | ||
| 504 | |a de Azúa, Diz, Giribet, Contreras, A polarization propagator analysis of through-space spin-spin coupling constants:19F-19F couplings (1986) International Journal of Quantum Chemistry, 20 S, p. 585 | ||
| 504 | |a Dyer, Ragsdale, (1967) J. Am. chem. Soc., 89, p. 1528 | ||
| 504 | |a Koheler, Stone, Shelton, Jarmagin, (1978) J. magn. Reson., 30, p. 75 | ||
| 504 | |a Karplus, (1963) J. Am. chem. Soc., 85, p. 2870 | ||
| 504 | |a Hamman, Béguin, Charlon, Luu-Duc, Conformational studies on 2-fluoro-1,2-disubstituted ethanes by NMR spectroscopy. Influence of electronegativity on vicinal proton-proton and fluorine-proton coupling constants (1983) Organic Magnetic Resonance, 21, p. 361 | ||
| 504 | |a Hammer, Chandrasegaran, (1984) J. Am. chem. Soc., 106, p. 1543 | ||
| 504 | |a Huggins, (1953) J. Am. chem. Soc., 75, p. 4123 | ||
| 504 | |a Cavanaugh, Dailey, (1961) J. chem. Phys., 34, p. 1099 | ||
| 504 | |a Huheey, (1965) J. phys. Chem., 69, p. 3284 | ||
| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a The enflurane and ethoxyflurane 1H, 13C and 19F NMR spectra are examined-including sign determination of FF and FH couplings-and considered in the light of previously reported results for methoxyflurane. Conformational differences between methoxyflurane and the former two molecules are indicated by through space FH coupling constants and by the nonequivalence of geminal fluorine nuclei. Populations of conformers about the CC bond are estimated. © 1988. |l eng | |
| 536 | |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas | ||
| 536 | |a Detalles de la financiación: to Dr D G DE KOWALEWSKfõ rp rovidingth es ampleasn d helpfulc ommentsT he recording of 13C spectra at the Catedra de Fltoquimlca-FFyB-UBA IS gratefully acknowledged This work-was made possible by various grants from the Araentme National Research Councd (CONICET), the ArgenGne Secretanat for Science and Te&nology (SE&T) and the Orgamzation of Amencan States (OAS), all of which are dutifully acknowledged | ||
| 593 | |a Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C. Universitaria Pab. I, 1428 Buenos Aires, Argentina | ||
| 700 | 1 | |a Kowalewski, V.J. | |
| 700 | 1 | |a Contreras, Rubén Horacio | |
| 773 | 0 | |d 1988 |g v. 44 |h pp. 819-822 |k n. 8 |p Spectrochim. Acta Part A Mol. Spectrosc. |x 05848539 |w (AR-BaUEN)CENRE-72 |t Spectrochimica Acta Part A: Molecular Spectroscopy | |
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