反应详情

Following general procedure D and using 6-bromo-8-cyclopropyl-2,2,4,4-tetramethyl chroman (Intermediate 32, 0.376 g, 1.22 mmol), (trimethylsilyl)acetylene (4 mL, 28 mmol), triethyl amine (3 mL), anhydrous tetrahydrofuran (5 mL), copper(I)iodide (0.025 g, 0.13 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.075 g, 0.11 mmol), the title compound was obtained as an oil (0.173 g, 43%).