(R)-(-)-丙烯酰-2,10-樟脑磺内酰胺 、
1-tert-Butoxycarbonyl-1,2-dihydropyridine 以
甲苯 为溶剂,
反应 60.0h,
以16%的产率得到tert-butyl (1S,4S,7S)-7-[(1S,5R,7R)-10,10-dimethyl-3,3-dioxo-3lambda6-thia-4-azatricyclo[5.2.1.01,5]decane-4-carbonyl]-2-azabicyclo[2.2.2]oct-5-ene-2-carboxylate