“…[17] To a solution of E-3a (70.45 mg, 0.20 mmol) in anhydrous toluene (1.0 mL) was added trimethylsilylacetylene (29.47 mg, 0.30 mmol), Et 3 N (30.36 mg, 0.30 mmol), CuI (3.80 mg, 0.02 mmol) and PdCl 2 (PPh 3 ) 2 (7.02 mg, 0.01 mmol). [17] To a solution of E-3a (70.45 mg, 0.20 mmol) in anhydrous toluene (1.0 mL) was added trimethylsilylacetylene (29.47 mg, 0.30 mmol), Et 3 N (30.36 mg, 0.30 mmol), CuI (3.80 mg, 0.02 mmol) and PdCl 2 (PPh 3 ) 2 (7.02 mg, 0.01 mmol).…”