1. Table 3 entry 12);N;Yellow solid, mp = 62-63 �C. IR (KBr): ? = 2222 (m), 1628 (s), 1489 (m), 1427 (m), 1381 (w), 1289 (m), 1219 (w), 1134 (w), 1088 (m), 1011 (w), 833 (m) cm -1 . 1 H NMR (500 MHz
2. Yield: 177.1 mg, starting from 127.4 mg of 4-ethynylbenzonitrile (78%, Table 3 entry 13);Yellow solid, mp = 92-93 �C. IR (KBr): ? = 2222 (m), 1620 (s), 1435 (m), 1281 (w), 1219 (w), 1103 (w)