((1S,5R,7R)-10,10-Dimethyl-3,3-dioxo-3λ
6-thia-4-aza-tricyclo[5.2.1.0
1,5]dec-4-yl)-[(2R,3R)-1-diphenylphosphanyl-3-(2-methoxy-pyridin-3-yl)-aziridin-2-yl]-methanone 在
三氟化硼乙醚 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以79%的产率得到((1S,5R,7R)-10,10-Dimethyl-3,3-dioxo-3λ
6-thia-4-aza-tricyclo[5.2.1.0
1,5]dec-4-yl)-[(2R,3R)-3-(2-methoxy-pyridin-3-yl)-aziridin-2-yl]-methanone