3.2.8. (E)-1-Methyl-3-(1-(4-methoxyphenyl)ethylidene)indolin-2-one (**(***E***)-5d**)

15% Yield; gummy solid; *R*<sup>f</sup> = 0.34 (silica gel, hexanes:EtOAc:CH2Cl2 = 4:1:1); 1H NMR (500 MHz, CDCl3): *δ* 7.26–7.22 (m, 2H), 7.14 (dd, *J* = 7.7, 7.0 Hz, 1H), 7.02–6.97 (m, 2H), 6.76 (d, *J* = 7.7 Hz, 1H), 6.67 (td, *J* = 7.7, 0.8 Hz, 1H), 6.36 (d, *J* = 7.7 Hz, 1H), 3.89 (s, 3H), 3.27 (s, 3H), 2.79 (s, 3H) ppm; 13C NMR (125 MHz, CDCl3) *δ* 168.4, 159.9, 155.2, 142.3, 135.3, 128.4, 128.0, 123.4, 123.0, 122.8, 121.4, 114.5, 107.6, 55.5, 25.9, 23.1 ppm; HRMS (EI): calcd for C18H17NO2 [M+] : 279.1259, found 279.1257.
