[1-(2,4,6-Trimethyl-phenyl)-ethoxy]-acetic acid tert-butyl ester 、
丙酮 以
乙醚 、
正己烷 为溶剂,
生成 (S)-3-Hydroxy-3-methyl-2-[(R)-1-(2,4,6-trimethyl-phenyl)-ethoxy]-butyric acid tert-butyl ester 、 (S)-3-Hydroxy-3-methyl-2-[(S)-1-(2,4,6-trimethyl-phenyl)-ethoxy]-butyric acid tert-butyl ester