反应条件
1: ZnCl2 2: 1.) 1,3-dibromo-5,5-dimethylhydantoin (DBH); 2.) HF/pyridine / 1.) CH2Cl2, -20 deg C to -30 deg C, 3h; 2.) -30 deg C to RT, 1h View Scheme
参考文献
Matthews, Donald P.; Whitten, Jeffrey P.; McCarthy, James R.
Tetrahedron Letters, 1986 , vol. 27, # 40 p. 4861 - 4864
