The present invention relates to a novel process for the synthesis of abiraterone, and in particular of abiraterone acetate, compound of formula (I) reported below: N O (I) which has pharmacological activity useful tor slowing down the progression of prostate cancer at an advanced stage. The process is characterised by an intermediate step wherein DHEA-acetate is triflated using Ar-N(OTf)2 as the triflation reagent.
本发明涉及一种合成
醋酸阿比特龙的新工艺,特别是合成下述式(I)化合物的工艺:N O(I),该化合物具有对延缓晚期前列腺癌进展有用的药理活性。该工艺的特点是在中间步骤中,使用Ar-N(OTf)2作为三
氟甲基化试剂,对
DHEA-
醋酸酯进行三
氟甲基化。