Trifluoro-acetic acid (2R,4R,6S)-2-phenethyl-6-propyl-tetrahydro-pyran-4-yl ester 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
生成 Acetic acid (2R,4R,6S)-2-phenethyl-6-propyl-tetrahydro-pyran-4-yl ester 、 Acetic acid (2S,4S,6R)-2-phenethyl-6-propyl-tetrahydro-pyran-4-yl ester