反应条件
1: 1) boric acid, 2) water / 1) 90 deg C, 10 h 2) room temp., 1 h
2: 1) K2CO3 2) HCl aq. (10percent) / 1) acetone, 70 deg C, 8 h 2) room temp.
3: 87 percent / triphenylphosphine, diethyl-azodicarboxylate / tetrahydrofuran / 1 h / Ambient temperature
View Scheme
参考文献
Murphy, Raymond A.; Cava, Michael P.
Tetrahedron Letters, 1984 , vol. 25, # 8 p. 803 - 806