(2R,4aS,5aS,8R,9aR,9bR)-1-perhydro-2,8-diphenyl-2H,5H,8H-bis<1,3>dioxino<5,4-b:4',5'-d>pyrrolidine 以
环己烷 、
苯 为溶剂,
以68%的产率得到(2R,4aS,5aS,8R,9aR,9bR)-perhydro-1-<(2R,3R)-3-hydroxy-3-phenyl-N-tosylprolyl>-2,8-diphenyl-2H,5H,8H-bis<1,3>dioxino<5,4-b:4',5'-d>pyrroline