反应详情

温度

50 °C

A solution of the product of Example 122 (1.5 g, 5 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 (1.8 g, 82%) melted at 120°-121° C. and had the structure ##STR151## as confirmed by elemental analysis.

1. customThe finely crystalline, yellow solid thus obtained (1.8 g, 82%) melted at 120°-121° C.