反应条件
1: anhydrous Na2SO4 / benzene / Ambient temperature 2: 1.) hemin-divinylbenzene copolymer; 2.) NH4Cl / 1.) room temp.; 2.) ethanol, 20°C, 20 h 3: 6 N HCl / 24 h / Heating 4: palladium hydroxide on charcoal / 24 h View Scheme
参考文献
Tetrahedron Letters, , vol. 30, # 34 p. 4535 - 4538