“…2-(Benzo [b]thiophen-2-yl)pyridine (5h). 43 The product was isolated by column chromatography (hexane/ethyl acetate 90:10) as a yellow solid (27 mg, 51% yield); mp 120−122 °C. 1 H NMR (400 MHz, CDCl 3 ): δ 8.63 (ddd, J = 4.9, 1.7, 1.0 Hz, 1H), 1H),7.83 (s,1H),2H),7.72 (td,J = 7.7,1.7 Hz,1H),2H),7.20 (ddd,J = 7.4,4.9,1.2 Hz,1H).…”