(2S,4R)-1-((S)-2-tert-butoxycarbonylamino-non-8-enoyl)-4-[2-(2-methyl-2H-pyrazol-3-yl)-thieno[3,2-d]pyrimidin-4-yloxy]-pyrrolidine-2-carboxylic acid methyl ester 在
potassium trimethylsilonate 作用下,
以
乙醚 为溶剂,
反应 0.25h,
以92%的产率得到(2S,4R)-1-((S)-2-tert-butoxycarbonylamino-non-8-enoyl)-4-[2-(2-methyl-2H-pyrazol-3-yl)-thieno[3,2-d]pyrimidin-4-yloxy]-pyrrolidine-2-carboxylic acid potassium salt