2,2-dimethyl-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-(5,8-dimethoxy-2,9a,10,10-tetramethyl-1,4,4a,9,9a,10-hexahydro-anthracen-1-yl) ester 在
盐酸 作用下,
以
水 、
乙酸乙酯 为溶剂,
反应 96.0h,
以65%的产率得到3-amino-2-hydroxy-3-phenyl-propionic acid 5,8-dimethoxy-2,9a,10,10-tetramethyl-1,4,4a,9,9a,10-hexahydro-anthracen-1-yl ester