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The assignment of configuration to substituted olefines can be made by n-m-r spectroscopy. Three different methods of assignment have been reported recently, each one limited to certain types of olefines. A fourth method of distinguishing between cis and trans isomers appears valid from an examination of the spectra of a series of α-β unsaturated carbonyl compounds.
Colloque
The assignment of configuration to substituted olefines can be made by NMR spectroscopy. Three different methods of assignment have been reported recently, each one limited to certain types of olefines. A fourth method of distinguishing between cis and trans isomers appears valid from an examination of the spectra of a series of α-β unsaturated carbonyl compounds.
