黄体酮杂质40

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 mnl of 1,8-diazabicyclo[5,4,0]undec-7-ene at 20° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 mnl of 1,8-diazabicyclo[5,4,0]undec-7-ene at 20° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulphonyl fluoride are added dropwise at 0° C. to 5.0 g of 11α-hydroxyoestr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5.4.0]undec-7-ene. After 30 min, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated in vacuo. After chromatographing the crude product on silica gel using a hexane-ethyl acetate gradient, 3.8 g of 11β-fluorooestr-4-ene-3,17-dione of melting point 173-174° C. are obtained. washed with saturated sodium chloride solution dried concentrated in vacuo are obtained

反应条件: temp:-30.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 10 g of p-toluenesulfonic acid is added to 100 g of 11α-hydroxy-estr-4-ene-3,17-dione in 1 liter of acetic anhydride at room temperature. After 5 hours, the solution is stirred into pyridine-containing ice/water, the precipitated product is suctioned off and washed neutral with water. The water-moistened crude product that is obtained is mixed with 200 ml of methanol, stirred for 30 minutes at −30° C., the crystallizate is suctioned off, washed with cold methanol and dried in a vacuum at 50° C. 115 g of 3,11α-diacetoxy-estra-3,5-dien-17-one is obtained. washed neutral with water The water-moistened crude product that is obtained washed with cold methanol dried in a vacuum at 50° C

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluor-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluor-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 mnl of 1,8-diazabicyclo[5,4,0]undec-7-ene at 20° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173-174° C. is obtained

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 4.6 ml of perfluorobutane-1-sulfonic acid fluoride is added in drops to 5.0 g of 11α-hydroxy-estr-4-ene-3,17-dione in 100 ml of toluene and 7.3 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene at 0° C. After 30 minutes, the solution is diluted with ethyl acetate, washed with saturated sodium chloride solution, dried and concentrated by evaporation in a vacuum. After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained. washed with saturated sodium chloride solution dried concentrated by evaporation in a vacuum After the crude product is chromatographed on silica gel with a hexane-ethyl acetate gradient, 3.8 g of 11β-fluoro-estr-4-ene-3,17-dione with a melting point of 173°-174° C. is obtained