... J. Heterocyclic Chern., 23, 1465 (1986). As part of our continuing investigation in the chemistry of furopyridines we are particularly interested in the syn- thesis and reactions of 2- and 3 ... cm-'; 'H nmr (deuterio- chloroform) 6 7.37 (dd, J = 4.8, 7.6 Hz, lH, H-5), 8.06 (dd, J = 1.6, 4.8 ...