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Water → Methyl 1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylate

HRID 1890534
Notes
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Reaction equation

HRID 1890534 reaction equation
[NH:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[CH:3]=[C:2]1[C:10]([O:12][CH3:13])=[O:11].[H-].[Na+].[CH3:16][Si:17]([CH2:20][CH2:21][O:22][CH2:23]Cl)([CH3:19])[CH3:18].O>C1COCC1>[CH3:16][Si:17]([CH3:19])([CH3:18])[CH2:20][CH2:21][O:22][CH2:23][N:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[CH:3]=[C:2]1[C:10]([O:12][CH3:13])=[O:11]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 24758Sodium hydrideHCID 27242712-Chloromethyl 2-(trimethylsilyl)ethyl etherHCID 17390026methyl 1H-pyrrolo(2,3-b)pyridine-2-carboxylate

Product 1

HCID 67306524Methyl 1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylateYield 81.6%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of methyl 1H-pyrrolo[2,3-b]pyridine-2-carboxylate (H-1) (528 mg, 3 mmol) in dried THF (5 mL) at 0° C. was added NaH (240 mg, 6 mmol). The reaction was stirred for 0.5 h under N2, and then SEMCl (526 mg, 3 mmol) was added dropwise. The mixture was stirred at room temperature for 2 h. H2O was added to quench the reaction. The resulting mixture was extracted with EtOAc. The organic layer was dried over Na2SO4, and concentrated to afford the title compound (750 mg), which was used for the next step without purification. MS (m/z): 307 (M+1)+.

Workup

  1. stirringThe mixture was stirred at room temperature for 2 h
  2. customto quench
  3. customthe reaction
  4. extractionThe resulting mixture was extracted with EtOAc
  5. dry with materialThe organic layer was dried over Na2SO4
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-4f35f9bc9a0c49818dfe75f5d2323954
Source dataset
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08507487B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes