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Ammonium Chloride → 1-[5-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)-1,3,4-thiadiazol-2-yl]ethanol

HRID 1882103
Notes
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Reaction equation

HRID 1882103 reaction equation
[CH3:1][S:2]([C:5]1[CH:10]=[CH:9][C:8]([CH:11]([C:19]2[NH:23][C:22]([C:24]3[S:28][C:27]([CH:29]=[O:30])=[N:26][N:25]=3)=[CH:21][CH:20]=2)[CH2:12][CH:13]2[CH2:18][CH2:17][O:16][CH2:15][CH2:14]2)=[CH:7][CH:6]=1)(=[O:4])=[O:3].[CH3:31][Mg]Br.[Cl-].[NH4+]>O1CCCC1>[CH3:1][S:2]([C:5]1[CH:6]=[CH:7][C:8]([CH:11]([C:19]2[NH:23][C:22]([C:24]3[S:28][C:27]([CH:29]([OH:30])[CH3:31])=[N:26][N:25]=3)=[CH:21][CH:20]=2)[CH2:12][CH:13]2[CH2:14][CH2:15][O:16][CH2:17][CH2:18]2)=[CH:9][CH:10]=1)(=[O:4])=[O:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 25517Ammonium ChlorideHCID 1361666525-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)-1,3,4-thiadiazole-2-carbaldehydeHCID 178418573HCID 178418573, compound

Product 1

HCID 1361666591-[5-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)-1,3,4-thiadiazol-2-yl]ethanolYield 63%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 5-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)-1,3,4-thiadiazole-2-carbaldehyde (700 mg) in tetrahydrofuran (10 mL) was added methylmagnesium bromide (1M tetrahydrofuran solution) (3.46 mL) and the mixture was stirred at room temperature for 10 min. Saturated aqueous ammonium chloride solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (460 mg, yield 63%) was obtained as a pale-yellow amorphous solid from a fraction eluted with ethyl acetate-methanol (9:1, volume ratio). MS: 462 (MH+).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-bf0fcab1fe4c4b5eaa91706340289b61
Source dataset
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08318746B2

Reaction notes

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