反应详情

The same operation as in Example (91a) was performed using 4-nitrophenylboronic acid (1 g, 6 mmol), ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate (1 g, 4 mmol), sodium bicarbonate (1.34 g, 16 mmol), tetrakis(triphenylphosphine)palladium (460 mg, 0.4 mmol), water (5 mL) and 1,4-dioxane (10 mL), to obtain 0.97 g of the title compound as a light yellow solid (83%).