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HCID 66608424, compound → 2-{(8R)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol

HRID 1398204
Notes
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Reaction equation

HRID 1398204 reaction equation
C[Mg]Br.[CH3:4][O:5][C:6]1[CH:7]=[C:8]([C:18]2[N:22]3[CH2:23][CH2:24][CH2:25][C@:26]([O:32][C:33]4[CH:38]=[C:37]([F:39])[C:36]([F:40])=[C:35]([F:41])[CH:34]=4)(C(OCC)=O)[C:21]3=[N:20][N:19]=2)[CH:9]=[CH:10][C:11]=1[C:12]1[O:16][C:15]([CH3:17])=[N:14][CH:13]=1>C1COCC1.C(OCC)(=O)C.[Cl-].[NH4+]>[CH3:4][O:5][C:6]1[CH:7]=[C:8]([C:18]2[N:22]3[CH2:23][CH2:24][CH2:25][C@@:26]([C:6]([OH:5])([CH3:7])[CH3:11])([O:32][C:33]4[CH:38]=[C:37]([F:39])[C:36]([F:40])=[C:35]([F:41])[CH:34]=4)[C:21]3=[N:20][N:19]=2)[CH:9]=[CH:10][C:11]=1[C:12]1[O:16][C:15]([CH3:17])=[N:14][CH:13]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 66608424HCID 66608424, compoundHCID 178418573HCID 178418573, compound

Product 1

HCID 568371962-{(8R)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-olYield 129.4%

Reagents, catalysts & solvents 3

HCID 8028TetrahydrofuranSolvent2×
HCID 8857
Ethyl Acetate
Solvent
HCID 25517Ammonium ChlorideSolvent

Procedure

To a mixture of methylmagnesium bromide (1 M THF solution, 6.81 mL) in THF (6 mL) was added a mixture of ethyl (8R)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate (1 g) in THF (6 mL) at 0° C., and the mixture was stirred at room temperature for 3 hr. The reaction mixture was diluted with ethyl acetate and saturated aqueous ammonium chloride solution, the mixture was washed with saturated brine and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (NH, ethyl acetate) to give the title compound (0.63 g) as a solid.

Workup

  1. additionwas added
  2. washthe mixture was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (NH, ethyl acetate)

Sources & evidence

ORD record
ord-56f81956621645f2901594c57a471fd4
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08901309B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes