The present invention provides methods for preparing S-aryl cysteines in enantiomeric excess of greater than about 96%. Specifically, the present invention provides enantioselective methods for preparing S-aryl cysteines starting from cystine, cysteine or a serine.
本发明提供了制备对映体过量率大于约 96% 的 S-芳基半胱
氨酸的方法。具体来说,本发明提供了从胱
氨酸、半胱
氨酸或
丝氨酸开始制备 S-芳基半胱
氨酸的对映体选择性方法。