There is provided a process for the preparation of a compound of formula (I), wherein R
1
, R
2
, R
3
, R
4
, X and Y are as described in the description. Such compounds may, for example, be useful intermediates in the synthesis of drugs such as Dronedarone. Intermediate steps of the process comprise formulae according to (II) and (III).
提供了一种制备式(I)化合物的方法,其中R1、R2、R3、R4、X和Y如说明书中所述。这些化合物可以作为药物合成中间体,例如,用于合成Dronedarone。该过程的中间步骤包括式(II)和(III)的
化学式。