A method of preparing ezetimibe. The method includes converting a compound of formula (II) to a compound of formula (III) as shown below:
in which R
1
-R
5
, A
1
, and A
2
are defined in the specification.
一种制备
依折麦布的方法。该方法包括将公式(II)的化合物转化为如下所示的公式(III)的化合物:
其中R1-R5、A1和A2在说明书中有定义。