Abstract
Long-range H,H-couplings in N-methylated azoles were studied.4 J couplings between N-methyl and adjacent ring protons could always be observed, whereas similar5 J couplings were not present. This result may be a useful tool for structure elucidation of isomeric N-methylated azoles.
Literature
M. Barfield undB. Chakrabarti, Chem. Rev.69, 757 (1969).
M. Barfield, R. J. Spear undS. Sternhell, Chem. Rev.76, 593 (1976).
J. Elguero, A. Fruchier undR. Jacquier, Bull. Soc. Chim. France1966, 2075.
I. Tamir, J. Magn. Reson.23, 293 (1976).
E. W. Randall undJ. D. Baldeschwieler, J. Mol. Spectrosc.8, 365 (1962).
R. E. Wasylishen, J. R. Rowbotham undT. Schaefer, Can. J. Chem.52, 833 (1974).
H. Günther, NMR-Spektroskopie, Stuttgart: Georg Thieme. 1973.
J. Elguero undR. Jacquier, J. Chim. Phys. Phys.-Chim. Biol.63, 1242 (1966).
J. Elguero, R. Jacquier undH. C. N. Tien Duc, Bull. Soc. Chim. France1966, 3727.
H. Dorn, J. Prakt. Chem.319, 281 (1977).
R. N. Butler, Can. J. Chem.51, 2351 (1973).
J. Elguero, C. Marzin undJ. D. Roberts, J. Org. Chem.39, 357 (1974).
M. Begtrup, J. Chem. Soc. Perkin Trans.2, 736 (1976).
A. Könnecke undE. Kleinpeter, Org. Magn. Reson.12, 667 (1979).
T. Axenrod, C. M. Watnick undM. J. Wieder, Org. Magn. Reson.12, 476 (1979).
A. Könnecke undE. Lippmann, Z. Chem.17, 261 (1977).
W. P. Norris undR. A. Henry, Tetrahedron Lett.1965, 1213;A. C. Rochat undR. A. Olofson, Tetrahedron Lett.1969, 3377.
A. Könnecke, E. Lippmann undE. Kleinpeter, Tetrahedron33, 1399 (1977).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Elguero, J., Fruchier, A. & Könnecke, A. Weitreichende H,H-Kopplungskonstanten in N-methylierten Azolen. Monatshefte für Chemie 111, 775–778 (1980). https://doi.org/10.1007/BF00903331
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00903331