{(2S,3R,6S)-6-[(2RS)-2-(3-fluoro-6-methoxy-quinolin-4-yl)-2-hydroxy-ethyl]-2-hydroxymethyl-tetrahydro-pyran-3-yl}-carbamic acid tert-butyl ester 在
potassium carbonate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 3.0h,
生成 (1R)-2-((2S,5R,6S)-5-amino-6-hydroxymethyl-tetrahydro-pyran-2-yl)-1-(3-fluoro-6-methoxy-quinolin-4-yl)-ethanol 、 (1S)-2-((2S,5R,6S)-5-amino-6-hydroxymethyl-tetrahydro-pyran-2-yl)-1-(3-fluoro-6-methoxy-quinolin-4-yl)-ethanol