2,5-降冰片二烯 、
(4R)-4-methylsulfanylmethyl-3-(3-phenylprop-2-ynoyl)oxazolidin-2-one 、 alkaline earth salt of/the/ methylsulfuric acid 以
甲苯 为溶剂,
反应 4.0h,
以93%的产率得到(4R)-4-methylsulfanylmethyl-3-(5-oxo-4-phenyltricyclo[5.2.1.0
2,6]deca-3,8-diene-3-carbonyl)oxazolidin-2-one