1: With trifluorormethanesulfonic acid in dichloromethane
T=60 - 80°C; Houben-Housch synthesis; Inert atmosphere;
2: With water in dichloromethane
Houben-Housch synthesis; Inert atmosphereCooling with ice;
3: With sodium hydroxide in water
Inert atmosphere;
参考文献
Raja, Erum K.; Klumpp, Douglas A.
Tetrahedron, 2011 , vol. 67, # 25 p. 4494 - 4497