A process is provided for the preparation of compounds of formula (I)
which comprises ozonization of a solution of a diazo compound of formula (II)
at a temperature below 0°C in an organic soylent.
提供一种制备化合物式(I)的方法,包括在有机溶剂中,将化合物式(II)的重氮化合物的溶液
臭氧化,在0℃以下的温度下进行。