反应详情

温度

50 °C

A solution of the product of Example 125 (1.56 g, 5.4 mmol) in 40 mL of tetrahydrofuran was treated with excess methyl iodide. The mixture was stirred at 50° C. for 4 hours. The finely crystalline, yellow solid thus obtained (2.20 g, 94.1%) melted at 123°-125° C. and had the structural formula ##STR155##

1. customThe finely crystalline, yellow solid thus obtained (2.20 g, 94.1%) melted at 123°-125° C.