反应条件
1: tetrahydrofuran / a) -78 deg C, 5h, b) -20 deg C, 16h 2: reducing agent: hydride 3: 95 percent / pyridine / CH2Cl2 / a) 0 deg C, 1h, b) r.t., 16h 4: 105 mg / 1,5N KOH/EtOH / 0.17 h / Ambient temperature 5: CuBr*Me2S / diethyl ether / Ambient temperature; or Cu(I)-pentin-1-ide 6: 480 mg / Ce(NH4)2(NO3)6 / acetonitrile; H2O / 1 h / Ambient temperature View Scheme
参考文献
Helvetica Chimica Acta, , vol. 73, # 4 p. 1068 - 1086
