“…Yellow solid from glacial acetic acid, yield ( 1.35 g, 71%), mp: 232-234 0 C; IR (KBr, cm −1 ): 3037 (=C-H), 2216 (-CN); 1 H-NMR: δ 3.03 (s, 6H, (CH3)2-N-), 6.88 (d, J = 0.6 Hz, 1H, -C6H3-H), 6.91 (d, J = 0.5 Hz, 1H, -C6H3-H), 7.25 (dd, J = 3.9 and 0.9 Hz, 1H, thienyl-H), 7.58-7.93 (m, 9H, Ar-H + thienyl-H), 8.07 (s, 1H, Pyridine-H); MS (m/z, %): 383 (M+2, 8), 382 (M+1, 28), 381 (M+, 100), 271 (17), 189 (8), 77 (17), 57 (7)…”