1-(1-cyclopentenyl)-1-<(tert-butyldimethylsilyl)oxy>ethene 、
methyl (1R,4R)-2-(hydroxymethyl)-3-oxo-2-azabicyclo[2.2.0]hex-5-ene-6-carboxylate 以
甲苯 为溶剂,
反应 24.0h,
以20%的产率得到(1R,2R,9R,10R,13R)-(-)-cis-transoid-cis-Methyl 7-tert-butyldimethylsilyloxy-12-hydroxymethyl-11-oxo-12-azatetracyclo[7.4.0.0
2,6.0
10,13]tridec-6-ene-1-carboxylate