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 在
ammonium cerium(IV) nitrate 作用下,
以
水 、
乙腈 为溶剂,
反应 0.5h,
以86%的产率得到3-amino-2-hydroxy-3-phenyl-propionic acid 2,9a,10,10-tetramethyl-5,8-dioxo-1,4,4a,5,8,9,9a,10-octahydro-anthracen-1-yl ester