Treatment of diethoxycarbonyl hydrazine derivatives with methyl bromoacetate/Cs2CO3/MeCN at 50 °C followed by heating to 80 °C resulted in N−N′ bond cleavage to the corresponding carbamates.
在50°C下用
溴乙酸甲酯/ Cs 2 CO 3 / MeCN处理二乙氧基羰基
肼衍
生物,然后加热至80°C,导致N-N '键裂解为相应的
氨基甲酸酯。