反应条件
1: 93 percent / triethylamine / CH2Cl2 / 0.17 h 2: 89 percent / tri-n-butylamine, 99 percent formic acid / bis(triphenylphosphine)palladium acetate / dimethylformamide / 2.5 h / 70 °C 3: 1.) K2CO3, MCPBA / 1.) CH2Cl2/toluene, -78 deg C, 2.) toluene, reflux, 7 h 4: 50 percent / PDC, 3 Angstroem molecular sieves, anh. acetic acid / CH2Cl2 / 2 h / Ambient temperature View Scheme
参考文献
Peterson, Glen A.; Kunng, Fen-Ann; McCallum, Stuart J.; Wulff, William D.
Tetrahedron Letters, 1987 , vol. 28, # 13 p. 1381 - 1384