phenyl-glyoxal-2-(
N-phenyl oxime ) 、 dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate 以
苯 为溶剂,
反应 10.0h,
以32%的产率得到(1R,2S,5S,6R,7S)-5-Benzoyl-4-phenyl-3,10-dioxa-4-aza-tricyclo[5.2.1.0
2,6]dec-8-ene-2,6-dicarboxylic acid dimethyl ester