3(R),4(R)-dihydroxy-2(S)-(4-phenyl-2,4-dioxo-4-phenylbut-1-yl)-5(S)-(2(S),3(S)-epoxy-5(S)-hydroxy-4(S)-methylhexyl)tetrahydropyran 在
盐酸羟胺 、
三乙胺 作用下,
以
乙醇 为溶剂,
反应 72.0h,
以4%的产率得到3-{[5(S)-(2(S),3(S)-epoxy-5(S)-hydroxy-4(S)-methylhexyl)-3(R),4(R)-dihydroxytetrahydropyran-2(S)-yl]methyl}-5-phenylisoxazole