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Water → N-[2-[[(2,3-difluorophenyl)methyl]thio]-6-[2-hydroxy-1-(hydroxymethyl)ethoxy]-4-pyrimidinyl]-1-azetidinesulfonamide

HRID 1024831
Notes
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Reaction equation

HRID 1024831 reaction equation
[F:1][C:2]1[C:7]([F:8])=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:9][S:10][C:11]1[N:16]=[C:15]([NH:17][S:18]([N:21]2[CH2:24][CH2:23][CH2:22]2)(=[O:20])=[O:19])[CH:14]=[C:13]([O:25][CH:26]2[CH2:31][O:30]C(C3C=CC=CC=3)[O:28][CH2:27]2)[N:12]=1.O.C1(C)C=CC(S([O-])(=O)=O)=CC=1.[NH+]1C=CC=CC=1>CO>[F:1][C:2]1[C:7]([F:8])=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:9][S:10][C:11]1[N:16]=[C:15]([NH:17][S:18]([N:21]2[CH2:24][CH2:23][CH2:22]2)(=[O:20])=[O:19])[CH:14]=[C:13]([O:25][CH:26]([CH2:27][OH:28])[CH2:31][OH:30])[N:12]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962WaterHCID 466102Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 53628338N-[2-[[(2,3-difluorophenyl)methyl]thio]-6-[(2-phenyl-1,3-dioxan-5-yl)oxy]-4-pyrimidinyl]-1-azetidinesulfonamide

Product 1

HCID 11698344N-[2-[[(2,3-difluorophenyl)methyl]thio]-6-[2-hydroxy-1-(hydroxymethyl)ethoxy]-4-pyrimidinyl]-1-azetidinesulfonamide

Reagents, catalysts & solvents 1

HCID 887
Methanol
Solvent

Procedure

To a suspension of N-[2-[[(2,3-difluorophenyl)methyl]thio]-6-[(2-phenyl-1,3-dioxan-5-yl)oxy]-4-pyrimidinyl]-1-azetidinesulfonamide (the product of step iv) (220 mg) in methanol (5 ml)/water (0.1 ml) was added pyridinium p-toluenesulfonate (20 mg) and the mixture was stirred at ambient temperature for 1.5 hour, then at reflux for 20 hour. The reaction mixture was evaporated, suspended in water and extracted with ethyl acetate (×2). The combined organic layers were dried with magnesium sulfate, filtered and evaporated. The residue was purified by column chromatography on silica gel using a 98:2 mixture of methylene chloride and methanol as eluent to give the title compound as a white solid. Yield: 120 mg

Workup

  1. temperatureat reflux for 20 hour
  2. customThe reaction mixture was evaporated
  3. extractionextracted with ethyl acetate (×2)
  4. dry with materialThe combined organic layers were dried with magnesium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue was purified by column chromatography on silica gel using
  8. additiona 98:2 mixture of methylene chloride and methanol as eluent

Sources & evidence

ORD record
ord-a3b6dd085c19442090fb6e03261dbac0
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08722883B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes