... 2010 Pharmaceutical Society of ... Chemistry The synthesis of 2-pyridylacetanilides 5a— c, 8a,b, and 9a—d are shown in Chart 1. Treatment of 4-(2 ... 1H-NMR spectra were recorded on a JEOL EX90, EX400, or GX500 spectrometer, and the chemical shifts are ex- pressed in d (ppm ...