18-甲基雌甾-2,5(10)-二烯-3&beta合成路线 （共 4 条）
反应条件
1: 85 percent / Py*SO3 / dimethylsulfoxide; triethylamine / Ambient temperature 2: 92 percent / oxalic acid, silica gel / CH2Cl2; methanol; H2O / 0.25 h / Ambient temperature View Scheme
参考文献
Lui, Li-Gong; Zhang, Tong; Li, Zhen-Su
Synthetic Communications, 1996 , vol. 26, # 16 p. 2999 - 3006
反应条件
sulfur trioxide pyridine complex in dimethyl sulfoxide; triethylamine Ambient temperature;
参考文献
Lui, Li-Gong; Zhang, Tong; Li, Zhen-Su
Synthetic Communications, 1996 , vol. 26, # 16 p. 2999 - 3006
反应条件
in water; cyclohexanone; toluene
参考文献
Smith; Herchel
Patent: US4002746 A1, 1977 ;
反应条件
1: 84 percent / mol. sieve, 2-butanone, aluminium isopropylate / benzene / 12 h / Heating 2: 1.) LDA; 2.) 6 percent HCl / 1.) THF, 2.5 h; 2.) MeOH, 60-70 deg C, 3 h View Scheme
参考文献
Rufer,C. et al.
Justus Liebigs Annalen der Chemie, 1967 , vol. 702, p. 141 - 148
