“…The residue was taken up with hydrochloric acid and ether, and the aqueous solution was filtered through Celite, then made strongly alkaline with solid KOH. 14 was extracted with ether and distilled: 31 mg, bp 109-113 °C (0.15 Torr); mp 40-41 °C; ir 3070 vw, 2960 m, 2830 m, 2770 m, 2720 m, 1674 w, 1595 vw, 1480 vw, 1420 m, 1405 m, 1360 w, 1298 w, 1233 m, 1190 w, 1143 m, 1108 w, 1075 w, 1038 m, 1005 m, 888 vw, 867 vw, 851 w, 824 m, 764 w, 741 m, 725 m, 695 cm-1 s (broad); NMR (CC14) 6.90 (m, 5 H), 4.54 (s, 1 ), 2.41 (s, 3 H), and 2.16 (s, 6 H);!H NMR [CC14 + Eu(fod)3] 8.86 (pseudo-d, 1 H, 5.5 Hz), 7.88 (pseudo-s, 1 H), 7.39 (m, 2 ), 7.06 (d of d, 1 H, J = 3.5 Hz), 6.29 (s, 1 H), 4.30 (s, 3 H), and 2.91 (s, 6 H); MS (70 eV) m/e 193 (100, M+ --NMe2), 194 (28), 192 (22), 195 (19), 160 (15), 147 (12), 134 (7), 140 (7), 115 (7), 59 (7),..., 237 (3, M+); MS (20 eV) m/e 193 (100), 192 (24), 194 (15), 195 (7), 222 (3, M+ -Me), 237 (2, M+).…”