反应条件
1: 94 percent / MeSO3H / various solvent(s) 2: LHMDS, HMPA / tetrahydrofuran / 1.) -78 deg C, 2h; 2.) warmed to -10 deg C 3: 74 percent / 12N HCl / 1 h View Scheme
参考文献
Kress, Michael H.; Yang, Chunhua; Yasuda, Nobuyoshi; Grabowski
Tetrahedron Letters, 1997 , vol. 38, # 15 p. 2633 - 2636
