Figure 4From: Intramolecular H-bonding interaction in angular 3-π-EWG substituted imidazo[1,2-a]pyridines contributes to conformational preference Carbonyl and peri H-5 interatomic distances (from X-ray diffraction data) in 2-phenyl imidazo[1,2-a]pyridine-3-carbaldehyde and in 3-(3-chlorophenyl)-1-(2-methyl-imidazo[1,2-a]pyridin-3-yl)prop-2-en-1-one. Back to article page