The present invention relates to a practical and efficient way to synthesize the compound for the endothelin receptor antagonist involving a Grignard addition and a cyclization reaction to give a desired compound of the general formula shown below:
1
本发明涉及一种实用高效的合成内皮素受体拮抗剂化合物的方法,涉及
格氏试剂加成和环化反应,以得到下面所示的一般式的目标化合物:1