methyl (1R,4S,7R,8S)-3-oxo-7-(phenylmethoxymethyl)-8-phenylselanyl-2-oxabicyclo[2.2.2]oct-5-ene-4-carboxylate 在
偶氮二异丁腈 、
三苯基氢化锡 作用下,
以
苯 为溶剂,
反应 4.5h,
生成 (3R,3aS,4R,6aS)-methyl 4-((benzyloxy)methyl)-2-oxo-3,3a,4,6a-tetrahydro-2Hcyclopenta[b]furan-3-carboxylate 、 (3S,3aS,4R,6aS)-methyl 4-((benzyloxy)methyl)-2-oxo-3,3a,4,6a-tetrahydro-2Hcyclopenta[b]furan-3-carboxylate