Bulletin of the Chemical Society of Japan · 1985 · 11 citations · 2 references
Natural SciencesChemistryOrganic ChemistrySpectroscopyHeterocyclic ChemistryHeterocyclic CompoundsAdditivity CriteriaThiophene Chemistry
Abstract 1H and 13C NMR spectra are reported for substituted 2-(2-nitrovinyl) thiophenes. The proton chemical shifts and coupling constants were correlated closely with those of methyl trans-3-(5-substituted 2-thienyl) acrylates. We have found that the additivity rule for 13C chemical shifts of simple substituted thiophenes is applicable to the shifts of the ring carbons in substituted 2-(2-nitrovinyl) thiophenes.
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