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Dimethylformamide → 1H-Pyrrolo[2,3-B]pyridine-3-methanamine, N,N-dimethyl-1-[tris(1-methylethyl)silyl]-

HRID 1256708
Notes
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Reaction equation

HRID 1256708 reaction equation
[CH3:1][N:2]([CH2:4][C:5]1[C:9]2[CH:10]=[CH:11][CH:12]=[N:13][C:8]=2[NH:7][CH:6]=1)[CH3:3].CN(C)C=O.[H-].[Na+].[CH:21]([Si:24](Cl)([CH:28]([CH3:30])[CH3:29])[CH:25]([CH3:27])[CH3:26])([CH3:23])[CH3:22]>O>[CH3:3][N:2]([CH3:1])[CH2:4][C:5]1[C:9]2[C:8](=[N:13][CH:12]=[CH:11][CH:10]=2)[N:7]([Si:24]([CH:28]([CH3:30])[CH3:29])([CH:25]([CH3:27])[CH3:26])[CH:21]([CH3:23])[CH3:22])[CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 24758Sodium hydrideHCID 139400Triisopropylsilyl chlorideHCID 53835493-(Dimethylaminomethyl)-7-azaindole

Product 1

HCID 497589771H-Pyrrolo[2,3-B]pyridine-3-methanamine, N,N-dimethyl-1-[tris(1-methylethyl)silyl]-Yield 58.9%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Conditions

Temperature
20 °C

Procedure

Into a round bottom flask 7-Azagramine 2 (5.38 g, 30.7 mmol), N,N-dimethylformamide (25.0 mL), and sodium hydride (1.35 g, 33.8 mol) were combined. Into the reaction was added triisopropylsilyl chloride (6.8 mL, 0.032 mol). The reaction was stirred at 20° C. for 12 hours. The reaction mixture was poured into water and extracted with ethyl acetate. The organic layer was washed with brine, dried over sodium sulfate, concentrated and purified with biotage to give compound 4 (6.0 g, yield=58.8%) as a colorless oil.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with brine
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated
  5. custompurified with biotage

Sources & evidence

ORD record
ord-a8e7aa8fe8bc471d8142eb8c19e8af6f
Source dataset
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08461169B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes