The stereochemistry of N-benzoylated pyrroles and imidazoles was studied. 2′,6′-Disubstituted 1-benzoypyrroles and 1-benzoylimidazoles were shown to have an atropisomeric property and their stable atropisomers were isolated.
Key words
amides - atropisomerism - chirality - heterocycles - pyrroles