反应条件
1: 98 percent / PPTS / methanol / 3.5 h / 25 °C
2: 89 percent / imidazole / CH2Cl2 / 18 h / 25 °C
3: 95 percent / aq. AcOH / tetrahydrofuran / 4 h / 25 °C
4: 87 percent / Dess-Martin periodinane / CH2Cl2 / 0.42 h / 25 °C
5: 91 percent / 2-methyl-2-butene, aq. NaClO2, aq. NaH2PO4 / 2-methyl-propan-2-ol / 0.67 h / 25 °C
6: Et3N / toluene / 2 h / 25 °C
7: DMAP / toluene / 3 h / 60 °C
8: 89 percent / aq. NaIO4 / methanol / 2.5 h / 35 °C
9: 1.) pyridine, TFAA, 2.) NaHCO3 / 1.) CH2Cl2, 25 deg C, 1 h, 2.) MeOH, 3 deg C, 1 h
10: TiCl4 / CH2Cl2 / 3 h / -78 - -15 °C
11: aq. HF / acetonitrile / 2 h / Ambient temperature
12: 72 percent / O2, CuCl, H2O / PdCl2 / dimethylformamide / 15 h / 25 °C
13: 41 percent / TESOTf, 2,6-lutidine / CH2Cl2 / 4 h / 25 °C
View Scheme
参考文献
Oikawa, Masato; Ueno, Tohru; Oikawa, Hideaki; Ichihara, Akitami
Journal of Organic Chemistry, 1995 , vol. 60, # 16 p. 5048 - 5068
