反应条件
1: 1.) LiAlH4, 2.) EtOAc, H2O / 1a.) THF, 0-5 deg C, 1b.) RT, 1h, 2.) 0-5 deg C, 30 min 2: tetrahydrofuran / 0.33 h / 0 - 5 °C 3: 58 percent / Et3N, SO3*Py / CH2Cl2; dimethylsulfoxide 4: 85 percent / CH3SO2Cl, DBU / CH2Cl2 / 0.25 h / Ambient temperature View Scheme
参考文献
Hsiao, Chi-Nung; Bhagavatula, Lakshmi; Pariza, Richard J.
Synthetic Communications, 1990 , vol. 20, # 11 p. 1687 - 1695
