二硫代乙酸乙酯

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

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

实验步骤: Prepared analogously to the Method A of General Methods of Preparation of 5-(S)-Thioamidomethyloxazolidinones (Example 1) from 5-(S)-aminomethyl-3-[4′-(2″-fluoroethyl)sulfinyl-3′-fluorophenyl]oxazolidine-2-one (0.100 g, 0.329 mmol) and ethyl dithioacetate. Reaction was performed in DMF overnight. Yield 0.114 g (96%). M.p. 161° C. MS (m/z): [M+H]+=363. Reaction

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

实验步骤: Prepared analogously to the Method A of General Methods of Preparation of 5-(S)-Thioamidomethyloxazolidinones (Example 1) from 5-(S)-aminomethyl-3-[4′-ethylsulfinyl-3′-fluorophenyl]oxazolidine-2-one (0.0885 g, 0.309 mmol) and ethyl dithioacetate. Reaction was performed in DMF overnight. Yield 0.104 g (98%). M.p. 138-9° C. MS (m/z): [M+H]+=345. Reaction

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

实验步骤: Prepared analogously to the Method A of General Methods of Preparation of 5-(S)-Thioamidomethyloxazolidinones (Example 1) from 5-(S)-aminomethyl-3-[4′-methylsulfinyl-3′-fluorophenyl]oxazolidine-2-one (0.050 g, 0.184 mmol) and ethyl dithioacetate. Reaction was performed in DMF overnight. Yield 0.058 g (96%). M.p 158-60° C. MS (m/z): [M+H]+=331. Reaction M.p 158-60° C

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

实验步骤: A solution of 5-(S)-aminomethyl-3-[4′-(N-methoxyamino)carbonyl-3′-fluorophenyl]-oxazolidine-2-one (0.053 ml, 0.47 mmol), triethylamine (0.12 ml, 0.84 mmol) and ethyl dithioacetate (0.87 ml, 7.6 mmol) in DMF (0.75 ml) was stirred at r.t. for 48 h. Solvent was removed under vacuum, and the crude material purified by silica gel PTLC (eluent: 5% MeOH in ethyl acetate). White crystalline solid (100 mg, 70%). HPLC Rt=4.6 min. MS (m/z): [M+H]+=342. Solvent was removed under vacuum the crude material purified by silica gel PTLC (eluent: 5% MeOH in ethyl acetate)

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

实验步骤: A solution of 5-(S)-aminomethyl-3-[4′-aminocarbonyl-3′-fluorophenyl]oxazolidine-2-one (1.75 g, 6.9 mmol), triethylamine (2.0 ml, 13.8 mmol) and ethyl dithioacetate (0.87 ml, 7.6 mmol) and DMF (5 ml) in acetonitrile (5 ml) was stirred at r.t. for 48 h. Solvent was removed under vacuum, and the crude material purified by silica gel chromatography (eluent: 10% methanol in ethyl acetate). White crystalline solid (1.3 g, 61%). HPLC Rt=4.5 min. MS (m/z): [M+H]+=312. Solvent was removed under vacuum the crude material purified by silica gel chromatography (eluent: 10% methanol in ethyl acetate)

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

实验步骤: A solution of 5-(S)-aminomethyl-3-[4′-(tert-butoxy)carbonyl-3′-fluorophenyl]-oxazolidine-2-one (3.00 g, 9.66 mmol), triethylamine (1.35 ml, 19.3 mmol), and ethyl dithioacetate (1.22 ml, 10.6 mmol) in DMF (8 mL) was stirred at room temperature for 3 hours. The reaction mixture was diluted with ethyl acetate (50 ml), washed with 3% aqueous citric acid (3×30 mL), saturated aqueous sodium bicarbonate (30 mL), brine, and dried (MgSO4). Evaporation afforded the product as a white solid (3.00 g, 84%). MS (m/z): [M+H]+=369. washed with 3% aqueous citric acid (3×30 mL), saturated aqueous sodium bicarbonate (30 mL), brine dried (MgSO4) Evaporation

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

实验步骤: A solution of ethyl dithioacetate (100 mL, 0.876 mmol) and sodium fluoride (37 mg, 0.876 mmol) in ethanol (8.8 mL) under a nitrogen atmosphere was treated with a mixture of (S)-(−)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-aminomethyl-2-oxazolidinone, as prepared in Step 1, (300 mg, 0.876 mmol) and aqueous potassium hydroxide (1M, 0.88 mL) in ethanol (43.8 mL). The resulting mixture was stirred at ambient temperature for 26 hours, during which additional ethyl dithioacetate (50 mL, 0.438 mmol), sodium fluoride (19 mg, 0.438 mmol), aqueous potassium hydroxide (1M, 0.44 mL) and ethanol (3.0 mL) was added, and was then diluted with methylene chloride (150 mL), washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL), dried over anhydrous sodium sulfate and concentrated in vacuo. The crude product was recrystallized from methylene chloride/diethyl ether to give the title compound, mp 186-187° C. (dec.). was added washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL) dried over anhydrous sodium sulfate concentrated in vacuo The crude product was recrystallized from methylene chloride/diethyl ether

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

实验步骤: A solution of ethyl dithioacetate (100 mL, 0.876 mmol) and sodium fluoride (37 mg, 0.876 mmol) in ethanol (8.8 mL) under a nitrogen atmosphere was treated with a mixture of (S)-(−)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-aminomethyl-2-oxazolidinone, as prepared in Step 1, (300 mg, 0.876 mmol) and aqueous potassium hydroxide (1 M, 0.88 mL) in ethanol (43.8 mL). The resulting mixture was stirred at ambient temperature for 26 hours, during which additional ethyl dithioacetate (50 mL, 0.438 mmol), sodium fluoride (19 mg, 0.438 mmol), aqueous potassium hydroxide (1M, 0.44 mL) and ethanol (3.0 mL) was added, and was then diluted with methylene chloride (150 mL), washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL), dried over anhydrous sodium sulfate and concentrated in vacuo. The crude product was recrystallized from methylene chloride/diethyl ether to give the title compound, mp 186-187° C. (dec.). was added washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL) dried over anhydrous sodium sulfate concentrated in vacuo The crude product was recrystallized from methylene chloride/diethyl ether

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

实验步骤: A solution of ethyl dithioacetate (100 mL, 0.876 mmol) and sodium fluoride (37 mg, 0.876 mmol) in ethanol (8.8 mL) under a nitrogen atmosphere was treated with a mixture of (S)-(−)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-aminomethyl-2-oxazolidinone, as prepared in Step 1, (300 mg, 0.876 mmol) and aqueous potassium hydroxide (1 M, 0.88 mL) in ethanol (43.8 mL). The resulting mixture was stirred at ambient temperature for 26 hours, during which additional ethyl dithioacetate (50 mL, 0.438 mmol), sodium fluoride (19 mg, 0.438 mmol), aqueous potassium hydroxide (1M, 0.44 mL) and ethanol (3.0 mL) was added, and was then diluted with methylene chloride (150 mL), washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL), dried over anhydrous sodium sulfate and concentrated in vacuo. The crude product was recrystallized from methylene chloride/diethyl ether to give the title compound, mp 186-187° C. (dec.). was added washed with water (50 mL), aqueous potassium hydrogen sulfate (1M, 50 mL) and brine (25 mL) dried over anhydrous sodium sulfate concentrated in vacuo The crude product was recrystallized from methylene chloride/diethyl ether