(3S)-4-(苄氧基)-2,3-二甲基-2-丁醇合成路线 (共 7 条)
反应条件
2: 90 percent / pyridine 3: 91 percent / potassium tert-butylate / dimethylformamide 4: 99 percent / Na2WO4, H2O2 / 70 °C 5: 95 percent / pyridinium p-toluenesulphonate / CH2Cl2 6: 1) lithium diisopropylamide / 1) THF, -78 deg C 7: 52 percent / 5percent Na-Hg, Na2HPO4 / 0 °C 8: 95 percent / 95percent ethanol / pyridinium p-toluenesulphonate / 40 °C 9: irradiation followed by thermal isomerization View Scheme
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
反应条件
in diethyl ether
T=-20°C;
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
反应条件
1: 92 percent / NaH / dimethylsulfoxide / Ambient temperature
2: 93 percent / diethyl ether / -20 °C
View Scheme
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
反应条件
1: 25 percent / tert-butylhydroperoxide, titanium(IV) isopropoxyde, D-(-)-dibutyl tartarate / CH2Cl2 / -20 °C
2: 92 percent / NaH / dimethylsulfoxide / Ambient temperature
3: 93 percent / diethyl ether / -20 °C
View Scheme
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
反应条件
2: 90 percent / pyridine
3: 91 percent / potassium tert-butylate / dimethylformamide
4: 99 percent / Na2WO4, H2O2 / 70 °C
5: 95 percent / pyridinium p-toluenesulphonate / CH2Cl2
View Scheme
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350
反应条件
2: 90 percent / pyridine
3: 91 percent / potassium tert-butylate / dimethylformamide
4: 99 percent / Na2WO4, H2O2 / 70 °C
View Scheme
参考文献
Yamada, Sachiko; Shiraishi, Masami; Ohmori, Masayuki; Takayama, Hiroaki
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3347 - 3350