反应条件
1: OsO4, (DHQ)PHAL, K3Fe(CN)6, CH3SO2NH2, K2CO3 / H2O; 2-methyl-propan-2-ol / 24 h / 0 °C
2: 1.) trimethyl orthoacetate, p-TsOH / 1.) CH2Cl2, CH3CN, RT, 1 h, 2.) CH3CN, -15 deg C, 3 h
3: 94 percent / TBAF / tetrahydrofuran / 3 h / Ambient temperature
4: 80 percent / (NH4)2Ce(NO3)6 / H2O; acetonitrile / 1 h / 0 °C
View Scheme
参考文献
Song, Choong Eui; Lee, Sung Woo; Roh, Eun Joo; Lee, Sang-Gi; Lee, Won-Ku
Tetrahedron Asymmetry, 1998 , vol. 9, # 6 p. 983 - 992