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结构式
乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
孕烷醇酮
合成路线
（共 45 条）
81-25-4
胆汁酸
→
反应条件
128-20-1
孕烷醇酮
反应条件
1: 94 percent / AcOCl / 25 h / 55 °C 3: 91 percent 4: 1) N,N-carbodiimidazole / 1) THF, 25 degC, 5 h; 2) THF, irradiation 5: 70 percent / O3 View Scheme
参考文献
Tetrahedron Letters, , vol. 25, # 17 p. 1765 - 1768
1357078-00-2
→
反应条件
128-20-1
孕烷醇酮
反应条件
1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 2: hydrogenchloride; water / 0.25 h 3: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
67192-95-4
→
反应条件
128-20-1
孕烷醇酮
反应条件
1: hydrogenchloride; water / 0.25 h 2: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
117888-42-3
→
反应条件
128-20-1
孕烷醇酮
反应条件
1.1: PCC-alumina / benzene / 36 h / 20 °C 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / Reflux 3.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 - 20 °C 3.2: 20 °C 4.1: 2 h 5.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 6.1: hydrogenchloride; water / 0.25 h 7.1: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
80-75-1
11Alpha-孕酮
→
反应条件
128-20-1
孕烷醇酮
反应条件
1.1: pyridine; Lindlar catalyst; hydrogen / 8 h 2.1: toluene-4-sulfonic acid; orthoformic acid triethyl ester / benzene / 20 °C 3.1: PCC-alumina / benzene / 36 h / 20 °C 4.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / Reflux 5.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 - 20 °C 5.2: 20 °C 6.1: 2 h 7.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 8.1: hydrogenchloride; water / 0.25 h 9.1: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
565-94-6
(5alpha,11beta)-11-羟基孕甾烷e-3,20-二酮
→
反应条件
128-20-1
孕烷醇酮
反应条件
1.1: toluene-4-sulfonic acid; orthoformic acid triethyl ester / benzene / 20 °C 2.1: PCC-alumina / benzene / 36 h / 20 °C 3.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / Reflux 4.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 - 20 °C 4.2: 20 °C 5.1: 2 h 6.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 7.1: hydrogenchloride; water / 0.25 h 8.1: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
2429-33-6
→
反应条件
128-20-1
孕烷醇酮
反应条件
1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 - 20 °C 1.2: 20 °C 2.1: 2 h 3.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 4.1: hydrogenchloride; water / 0.25 h 5.1: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
2138-02-5
→
反应条件
128-20-1
孕烷醇酮
反应条件
1.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / Reflux 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 - 20 °C 2.2: 20 °C 3.1: 2 h 4.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 4 h / Reflux; Inert atmosphere 5.1: hydrogenchloride; water / 0.25 h 6.1: pyridine; sodium tetrahydroborate; sodium hydroxide / methanol; water / Cooling with ice View Scheme
参考文献
Steroids, , vol. 77, # 3 p. 282 - 287
434-13-9
石胆酸
→
反应条件
128-20-1
孕烷醇酮
反应条件
1: triethylamine; 4-(N,N-dimethlyamino)pyridine / tetrahydrofuran / 5 h / 20 °C 2: pyridine; copper diacetate; lead(IV) tetraacetate / benzene / 12 h / 90 °C / |Inert atmosphere 3: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 5 h / 0 - 20 °C 4: HIO4*2H2O / tetrahydrofuran / 5 h / 0 - 20 °C 5: potassium hydroxide; oxygen; Food Red No. 105 / methanol / 6 h / 0 °C / |Irradiation View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 55, # 23 p. 10662 - 10673
4057-84-5
乙酰氧基石胆酸
→
反应条件
128-20-1
孕烷醇酮
反应条件
1: pyridine; copper diacetate; lead(IV) tetraacetate / benzene / 12 h / 90 °C / |Inert atmosphere 2: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane / 5 h / 0 - 20 °C 3: HIO4*2H2O / tetrahydrofuran / 5 h / 0 - 20 °C 4: potassium hydroxide; oxygen; Food Red No. 105 / methanol / 6 h / 0 °C / |Irradiation View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 55, # 23 p. 10662 - 10673
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