Separation and identification of the Z and E isomers of 2-(3-pentenyl)pyridine by capillary electrophoresis and nuclear magnetic resonance spectroscopy
a Department of Chemistry, Loughborough University of Technology, Loughborough, Leics. LE11 3TU, UK
b Zeneca Pharmaceuticals, Hurdsfield Industrial Estate, Macclesfield, Cheshire, SK10 2NA, UK
Abstract:
A mixture of the Z and E isomers of 2-(3-pentenyl)pyridine has been separated with baseline resolution by capillary electrophoresis. Using molecular modelling it was proposed that the smaller more rapidly migrating peak would be the Z isomer. This agreed with a 38:62 (Z/E) composition by nuclear magnetic resonance spectroscopy. The sample was also investigated by gas chromatography coupled to mass spectrometry.