magnesium,ethynylbenzene,bromide 、 (7aS,11S,13R)-11-(1H-benzo[d][1,2,3]triazol-1-yl)-13-phenyl-7a,8,10,11-tetrahydro-9H,13H-naphtho[1,2-e]pyrido[2,1-b][1,3]oxazine 以
四氢呋喃 为溶剂,
以94%的产率得到(7aS,11S,13R)-11-(2-phenylethynyl)-13-phenyl-7a,8,10,11-tetrahydro-9H,13H-naphtho[1,2-e]pyrido[2,1-b][1,3]oxazine