... l 5 Minisci, F., 'Topics in Current Chemistry' Vol. ... of the nitrile (22) by reaction with the radical derived from 3,5-dimethoxybenzaldehyde gave the 2- and 4-benzoylated pyridines (45) (35%) and (46) (13 %) as well as the 2,4-dibenzoylated product (47) (7%). Cyclization of (45 ...