“…The product obtained was purified by column chromatography (silica gel, CH 2 Cl 2 ) to give 14 (orange solid; 0.929 g, 1.58 mmol, 52 %) 1. H NMR (500 MHz, CDCl 3 ): δ/ppm = 7.14 (d, 1H), 7.10 (d, 1H), 7.07 (d, 1H), 7.05 (d, 1H), 7.01 (d, 1H), 6.98 (d, 1H), 6.92 (d, 1H), 6.70 (d, 1H), 4.58 (t, 1H), 3.88-3.84 (m, 1H), 3.80-3.75 (m, 1H), 3.53-3.49 (m, 1H), 3.44-3.40 (m, 1H), 2.85 (t, 2H), 1.85-1.51 (m, 10H).Tetrahydro-2-(4-{5-[2-(5-{5 -[2-(5-butyl-2-thienyl)ethynyl]-2,2 :5 ,2 -terthiophene}-yl)ethynyl]-2-thienyl}butoxy)-2H-pyran(15). Prepared similarly to 9 from 14 (0.901 g, 1.53 mmol), PdCl 2 (PPh 3 ) 2 (37.4 mg, 53.3 μmol, 3.5 mol%), CuI (11.3 mg, 59.3 μmol, 3.9 mol%), 4 (0.374 g, 2.28 mmol, 1.5 eq.)…”