5-Alpha-胆甾烷-3-酮合成路线 (共 116 条)
反应条件
diethyl ether; sodium ethanolate
参考文献
Goldberg; Kirchensteiner
Helvetica Chimica Acta, 1943 , vol. 26, p. 288,299
参考文献
Stiller; Rosenheim
Journal of the Chemical Society, 1938 , p. 353,355
Full Text Show Details
Goldberg; Kirchensteiner
Helvetica Chimica Acta, 1943 , vol. 26, p. 288,299
参考文献
Stiller; Rosenheim
Journal of the Chemical Society, 1938 , p. 353,355
Full Text Show Details
Goldberg; Kirchensteiner
Helvetica Chimica Acta, 1943 , vol. 26, p. 288,299
参考文献
Ruzicka; Prelog; Battegay
Helvetica Chimica Acta, 1948 , vol. 31, p. 1296,1300
反应条件
1: TBAF / tetrahydrofuran / 2 h / Ambient temperature 2: 1.0 N HCl aq. / 26 h / Ambient temperature View Scheme
参考文献
Prakash, G. K. Surya; Krishnamurti, Ramesh; Olah, George A.
Journal of the American Chemical Society, 1989 , vol. 111, # 1 p. 393 - 395
反应条件
1: 58.9 percent / titanium tetrachloride, pyridine / CCl4; tetrahydrofuran / 72 h / Ambient temperature
2: 45.4 percent / ammonium chloride / dimethylformamide; H2O / 1.5 h / 100 °C
3: 1.) sodium borohydride, lithium chloride; 2.) sulfuric acid / 1.) dyglime, 100 deg C, 3 h; 2 .)dyglime, water, reflux, 3 h
4: 68.2 percent / tri-n-butylphosphine / tetrahydrofuran / 0.5 h / 50 °C
5: 88.2 percent / 30percent hydrogen peroxide / tetrahydrofuran / 30 °C
View Scheme
参考文献
Kano, Kazuaki; Hayashi, Koji; Mitsuhashi, Hiroshi
Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 4 p. 1198 - 1203