3.4.13. (E)-3-((E)-1-(4-Iodophenyl)-3-phenylallylidene)-1-methylindolin-2-one (**3ea**)

80% Yield; orange solid; mp = 182.7–184.0 ◦C; *<sup>R</sup>*<sup>f</sup> = 0.31 (silica gel, hexanes:EtOAc = 6:1); 1H NMR (500 MHz, CDCl3): *<sup>δ</sup>* 9.35 (d, *<sup>J</sup>* = 16.1 Hz, 1H), 7.93–7.85 (m, 2H), 7.56–7.50 (m, 2H), 7.36–7.31 (m, 2H), 7.31–7.27 (m, 1H), 7.15 (td, *J* = 7.7, 1.1 Hz, 1H), 7.07–7.02 (m, 2H), 6.76 (d, *J* = 7.7 Hz, 1H), 6.68 (td, *J* = 7.7, 1.0 Hz, 1H), 6.42 (d, *J* = 16.1 Hz, 1H), 5.86 (d, *J* = 7.4 Hz, 1H), 3.30 (s, 3H) ppm; 13C NMR (125 MHz, CDCl3): *δ* 167.9, 149.7, 143.0, 141.5, 138.6, 137.2, 136.8, 130.8, 129.3, 128.9, 128.7, 128.0, 127.3, 123.6, 123.1, 122.7, 121.8, 107.8, 94.5, 25.9 ppm; HRMS (EI): calcd for C24H18INO [M+] : 463.0433, found 463.0430.
