The present invention relates to an improved process for the synthesis of strontium ranelate or hydrates thereof. More particularly, the present invention relates to an effective process for the preparation of a compound of formula III, which is a useful intermediate in the synthesis of strontium ranelate.
wherein R
1
and R
2
represents substituted or unsubstituted linear or branched C
1
-C
6
alkyl group or C
3
-C
12
cyclic group.
本发明涉及一种改进的合成
酮酸锶或其
水合物的方法。更具体地说,本发明涉及一种有效的方法,用于制备公式III的化合物,该化合物是合成
酮酸锶的有用
中间体。其中,R1和R2代表取代或未取代的线性或支链C1-C6烷基或C3-C12
环烷基。