ethyl (2R,3R,4S)-2-hydroxy-1-(4-methylphenyl)sulfonyl-3-(2-methylprop-1-enyl)-6-phenyl-3,4-dihydro-2H-pyridine-4-carboxylate 在
碘 、
碳酸氢钠 、 potassium iodide 作用下,
以
乙腈 为溶剂,
反应 72.0h,
以89%的产率得到ethyl (3S,3aR,4S,7aR)-3-iodo-2,2-dimethyl-7-(4-methylphenyl)sulfonyl-6-phenyl-3,3a,4,7a-tetrahydrofuro[2,3-b]pyridine-4-carboxylate