反应条件
1.1: (S)-ALB; KO-t-Bu / tetrahydrofuran; CH2Cl2 / -40 °C
2.1: 100 percent / HF; pyridine / tetrahydrofuran / 0 - 20 °C
3.1: Dess-Martin periodinane / CH2Cl2 / 14 h / 20 °C
4.1: TMSCl; DBU / CH2Cl2 / 1 h / 0 °C
4.2: 83 percent / AcOH / 0.25 h / -78 °C
5.1: 85 percent / Zn dust; NH4Cl / aq. methanol / 20 °C
6.1: 81 percent / NaBH3CN; MS 3A / methanol / 3 h / 20 °C
7.1: 30 percent / LiAlH4 / tetrahydrofuran / 20 °C
View Scheme
参考文献
Tsuritani, Natsuko; Yamada, Ken-Ichi; Yoshikawa, Naoki; Shibasaki, Masakatsu
Chemistry Letters, 2002 , # 3 p. 276 - 277