Carbon-13 magnetic resonance spectral studies of some bipyridine derivatives
Abstract
Assignments of13C chemical shifts and13C-1H coupling constants are presented for six bipyridine derivatives. Some earlier spectral assignments have been corrected. The spectral parameters of the bipyridines are generally very similar to those of the appropriate simple substituted pyridines. Long range interring coupling constants in these compounds have been discussed.
Keywords
13C NMR spectroscopy 13C-1H Coupling constants Bipyridines13C-NMR einiger Bipyridine
Zusammenfassung
Es werden die Zuordnungen der13C-Verschiebungen und der13C-1H-Kopplungskonstanten für sechs Bipyridinderivate präsentiert. Dabei wurden einige früher getroffene Zuordnungen korrigiert. Das NMR-Verhalten der Bipyridine ist dem der analog substituierten Pyridine generell sehr ähnlich. Die Long-Range-Kopplungen zwischen den Ringen werden diskutiert.
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References
- [1]Retcofsky HL, Freidel RA (1968) J Phys Chem 72: 2619CrossRefGoogle Scholar
- [2]Tänzer C, Price R, Breitmaier E, Jung G, Voelter W (1970) Angew Chem Internat Edn 9: 963CrossRefGoogle Scholar
- [3]Breitmaier E, Jung G, Voelter W (1971) Angew Chem Internat Edn 10: 673CrossRefGoogle Scholar
- [4]Breitmaier E,Haas G,Voelter W (1979) Atlas of Carbon-13 NMR Data. Heyden, London, spectrum no. 2435 (dated 1974)Google Scholar
- [5]Mal'tseva LS,Subbotin OA,Leont'ev VB,Ostroshchenko OS,Sadykov AS (1977) Izv Akad Nauk SSSR, Ser Khim, 1787Google Scholar
- [6]Marker A, Canty AJ, Brownlee RTC (1978) Austral J Chem 31: 1255CrossRefGoogle Scholar
- [7]Cook MJ, Lewis AP, McAuliffe GSC (1984) Org Magn Reson 22: 388CrossRefGoogle Scholar
- [8]Hansen M, Jakobsen HJ (1973) J Magn Reson 10: 74Google Scholar
- [9]Takeuchi Y, Dennis N (1974) J Amer Chem Soc 96: 3657CrossRefGoogle Scholar
- [10]Takeuchi Y (1975) Org Magn Reson 7: 181CrossRefGoogle Scholar
- [11]Denisov AYu,Mamatyuk VI,Shkurko OP (1984) Khim Geterotsikl Soedin 1223Google Scholar
- [12]Denisov AYu,Mamatyuk VI,Shkurko OP (1984) Khim Geterotsikl Soedin 948Google Scholar
- [13]Johns SR, Willing RI, Claret PA, Osborne AG (1979) Austral J Chem 32: 761CrossRefGoogle Scholar
- [14]Cyr N, Ritchie RGS, Spotswood TM, Perlin AS (1974) Canad J Spectrosc 19: 190Google Scholar
- [15]Jones AJ, Jenkins GA, Heffernan ML (1980) Austral J Chem 33: 1275CrossRefGoogle Scholar
- [16]Spotswood TMcL, Tanzer CI (1967) Austral J Chem 20: 1227CrossRefGoogle Scholar
- [17]Pople JA, Schneider WG, Bernstein HJ (1959) High Resolution Nuclear Magnetic Resonance. McGraw-Hill, New York, pp 132–135Google Scholar
- [18]Cook MJ,Lewis AP,McAuliffe GSC,Skarda V,Thomson AJ,Glasper JL,Robins DJ (1984) J Chem Soc, Perkin Trans II, 1293Google Scholar