3alpha-[(乙氧羰基)氧基]-7,12-二氧代-5beta-胆烷-24-酸甲酯合成路线 (共 6 条)
反应条件
jones' reagent in acetone 0.166667 h; Ambient temperature;
参考文献
Gao, Hongwu; Dias, Jerry Ray
European Journal of Organic Chemistry, 1998 , # 4 p. 719 - 724
反应条件
1: 80.4 percent / pyridine / 1 h / 0 °C 2: 80.6 percent / Jones' reagent / acetone / 0.17 h / Ambient temperature View Scheme
参考文献
Kuwada; Yoshiki; Kawashima
Takeda Kenkyusho Nenpo, 1949 , vol. 8, p. 50,59
Chem.Abstr., 1953 , p. 4893
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Borsche
Chemische Berichte, 1924 , vol. 57, p. 1620
反应条件
1: 96 percent / acetyl chloride / 2 h / Ambient temperature 2: 80.4 percent / pyridine / 1 h / 0 °C 3: 80.6 percent / Jones' reagent / acetone / 0.17 h / Ambient temperature View Scheme
参考文献
Gao, Hongwu; Dias, Jerry Ray
European Journal of Organic Chemistry, 1998 , # 4 p. 719 - 724
反应条件
chromium(VI) oxide; acetic acid
参考文献
Tanasescu; Ramontian
Acad. romine Bulet. stiintChem.Abstr., 1949 , vol. <A> 1, p. 733,742
Acad. romine Bulet. stiintChem.Abstr., 1952 , p. 4024
反应条件
sodium hydroxide; hydrazine hydrate; diethylene glycol
参考文献
Fieser; Rajagopalan
Journal of the American Chemical Society, 1950 , vol. 72, p. 5530,5534
反应条件
1: HBr; acetic acid; bromine / 45 °C 2: aqueous methanol. KOH 3: N2H4; triethylene glycol; NaOH View Scheme
参考文献
Goto
Proceedings of the Japan Academy, 1955 , vol. 31, p. 458,459