Chemical and Pharmaceutical Bulletin · 1960 · 16 citations · 0 references
Natural SciencesChemistryOrganic ChemistrySpectroscopic AnalysisSpectroscopyInfrared SpectroscopyMolecular SpectroscopyOptical SpectroscopyVibrational StructureIndole ChemistryIndole DerivativesInfrared Absorption SpectraInfrared Absorption SpectroscopyInfrared SpectraInfrared Spectroscopic AnalysisPyrrole ChemistryVibrational Frequencies
Infrared Spectra of a number of indole compounds have been examined and the characteristic frequencies of indole group are given. The CH out-of plane bending vibration of the pyrrole moiety of the indole ring and related methylpyrroles are discussed.