“…The compound was obtained in 87% yield as a yellow solid, mp 170–180°C. IR (KBr): 3330, 3225, 2922, 2856, 2214, 1627, 1530, 1384, 980 cm −1 ; 1 H NMR (500 MHz, DMSO‐ d 6 ): δ 2.58 (s, 3H, SCH 3 ), 7.41–7.47 (m, 3H, ArH), 8.25–8.29 (m, 2H, ArH); 13 C NMR (125 MHz, DMSO‐ d 6 ): δ 12.5, 82.8, 115.1, 128.9, 128.9, 132.1, 136.6, 163.1, 163.1, 173.1; HRMS (TOF ES + ): m / z calcd for C 12 H 11 N 4 S [(M+H) + ], 243.0699; found, 243.0703 [22].…”