benzyl 2-{2'-(N,N-dimethylamino)ethyl}phenyl selenoxide 在
amylose carbamate derivative/silica gel(Daicel Chiralpak AS) 作用下,
以
乙醇 、
正己烷 为溶剂,
生成
(S)-(-)-benzyl 2-{2'-(N,N-dimethylamino)ethyl}phenyl selenoxide 、 (R)-(+)-benzyl 2-{2'-(N,N-dimethylamino)ethyl}phenyl selenoxide