2.2.10. 2-(3,3-Bis(4-(Dimethylamino)Phenyl)Allylidene)-1*H*-Cyclopenta[*b*]Naphthalene-1,3(2*H*)- Dione **PP10**

3,3-*Bis*(4-(dimethylamino)phenyl)acrylaldehyde (0.75 g, 2.55 mmol), mexp = 1.06 g, 2.24 mmol, 88% yield. 1H nmR (CDCl3) δ: 3.08 (s, 6*H*), 3.09 (s, 6*H*), 6.68 (d, 2*H*, J = 9.0 Hz), 6.78 (d, 2*H*, J = 8.7 Hz), 7.24 (d, 2*H*, J = 10.2 Hz), 7.50 (d, 2*H*, J = 8.9 Hz), 7.60–7.63 (m, 2*H*), 7.78 (d, 1*H*, J = 12.9 Hz), 8.01–8.06 (m, 2*H*), 8.33 (d, 2*H*, J = 5.2 Hz), 8.42 (d, 2*H*, J = 12.9 Hz); 13C nmR (CDCl3) δ: 40.1, 40.2, 111.4, 111.5, 119.4, 122.4, 122.7, 125.8, 125.9, 128.3, 128.4, 128.8, 130.2, 132.5, 133.7, 136.1, 136.3, 136.7, 137.8, 146.6, 151.9, 152.4, 167.0, 191.0, and 191.1; HRMS (ESI MS) m/z: theor: 472.2151 found: 472.2148 ([M]+. detected).
