1,1'-Thiocarbonyldi-2(1H)-pyridone → (S)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-isothiocyanatomethyl-2-oxazolidinone

HRID 279059Notes

Reaction equation

HRID 279059 reaction equation
[C:1](N1C=CC=CC1=O)(N1C=CC=CC1=O)=[S:2].[F:17][C:18]1[CH:19]=[C:20]([N:32]2[CH2:36][C@H:35]([CH2:37][NH2:38])[O:34][C:33]2=[O:39])[CH:21]=[CH:22][C:23]=1[CH:24]1[CH2:29][CH2:28][S:27](=[O:31])(=[O:30])[CH2:26][CH2:25]1>C(Cl)Cl>[F:17][C:18]1[CH:19]=[C:20]([N:32]2[CH2:36][C@@H:35]([CH2:37][N:38]=[C:1]=[S:2])[O:34][C:33]2=[O:39])[CH:21]=[CH:22][C:23]=1[CH:24]1[CH2:25][CH2:26][S:27](=[O:30])(=[O:31])[CH2:28][CH2:29]1

Participants

4

Reactant 2

HCID 8531621,1'-Thiocarbonyldi-2(1H)-pyridoneHCID 54349937(5S)-(-)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-aminomethyl-2-oxazolidinone

Product 1

HCID 53890370(S)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-isothiocyanatomethyl-2-oxazolidinone

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent3×

Conditions

Temperature
0 °C

Procedure

A solution of 1,1′-thiocarbonyldi-2(1H)-pyridone (304 mg, 1.31 mmol) in anhydrous methylene chloride (13 mL) at 0° C. under a nitrogen atmosphere was treated with a solution of (S)-(−)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-aminomethyl-2-oxazolidinone, as prepared in Example 11, Step 1, (375 mg, 1.09 mmol) in anhydrous methylene chloride (88 mL) over 30 minutes. The resulting mixture was stirred at 0° C. for 30 minutes and at ambient temperature for 30 minutes and was then diluted with methylene chloride (40 mL), washed with water (25 mL) and brine (25 mL), dried over anhydrous sodium sulfate and concentrated in vacuo. The crude product was chromatographed on silica gel (230-400 mesh, 45 g), eluting with acetonitrile/methylene chloride (7.5/92.5), and those fractions with an Rf=0.64 by TLC (acetonitrile/methylene chloride, 20/80) were pooled and concentrated to give (S)-3-[3-fluoro-4-(tetrahydro-1,1-dioxido-2H-thiopyran-4-yl)phenyl]-5-isothiocyanatomethyl-2-oxazolidinone, mp 158-162° C. (dec.).

Workup

  1. washwashed with water (25 mL) and brine (25 mL)
  2. dry with materialdried over anhydrous sodium sulfate
  3. concentrationconcentrated in vacuo
  4. customThe crude product was chromatographed on silica gel (230-400 mesh, 45 g)
  5. washeluting with acetonitrile/methylene chloride (7.5/92.5)
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-0c61be37f67042a9878f840d3bf65769
Source dataset
uspto-grants-2002_03
Patent number
US06362189B1

Reaction notes

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