3-phenyl-2H-azirine-2-carboxylic acid methyl-phenyl-amide 、
tert-butyl 2,3,4-tri-tert-butylcyclobutadiene-1-carboxylate 以
乙醚 为溶剂,
反应 1.0h,
以67%的产率得到6-tert-Butoxy-1,8,9-tri-tert-butyl-N-methyl-N,4-diphenyl-5-oxa-2-azatricyclo<5.2.0.0
2,4>nona-6,8-dien-3-carboxamid