反应条件
2: 99 percent / BH3*THF / tetrahydrofuran / 1 h / Heating 3: 61 percent / Ph3P, diethyl azodicarboxylate / tetrahydrofuran / 0 - 20 °C 4: 96 percent / 55percent N2H4*H2O / ethanol / 3 h / Heating 5: 2.) BH3*pyridine / 1.) ethanol, 0 deg C, 20 min, 2.) from 0 deg C to RT, 3 h 6: 73 percent / 1.) MeLi, t-BuLi / 1.) a) hexane, -78 deg C, 30 min, b) from -78 to -15 deg C, 3 h, 2.) from -78 deg C to RT, 48 h View Scheme
参考文献
Journal of Organic Chemistry, , vol. 54, # 23 p. 5574 - 5580