tert-butyl 2-(6-bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)azepane-1-carboxylate 以
Ethanol hexane 为溶剂,
以tert-Butyl (2R)-2-(6-bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)azepane-1-carboxylate (325 mg, >99.9% ee, retention time 11.2 min) and tert-butyl (2S)-2-(6-bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)azepane-1-carboxylate (326 mg, >99.9% ee, retention time 13.7 min) were obtained under the above-mentioned high performance liquid chromatography conditions的产率得到tert-Butyl (2R)-2-(6-bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)azepane-1-carboxylate