The sign of four‐bond couplings in cyclobutanes: NMR spectra ofvic‐dihalo‐2,3‐oxazabicyclo[3.2.0]hept‐3‐enes
- 1 February 1973
- journal article
- research article
- Published by Wiley in Magnetic Resonance in Chemistry
- Vol. 5 (2) , 101-111
- https://doi.org/10.1002/mrc.1270050211
Abstract
The spectra ofvic‐dihalo‐2,3‐oxazabicyclo[3.2.0]‐hept‐3‐enes were analysed and the sign of all the coupling constants determined by tickling experiments. Stereochemical assignments, and three and four‐bond coupling are discussed in particular.Keywords
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