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Tetrahydrofuran → (6-Aminopyridin-3-yl)methanol

HRID 861980
Notes
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Reaction equation

HRID 861980 reaction equation
P(C[C:6]1[N:11]2C=C(C(O)=O)[N:14]=[C:10]2[CH:9]=[CH:8][CH:7]=1)(O)(O)=O.[O:18]1CCC[CH2:19]1>>[NH2:14][C:10]1[N:11]=[CH:6][C:7]([CH2:19][OH:18])=[CH:8][CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

3

Reactant 2

HCID 8028TetrahydrofuranHCID 197011185-(Phosphonomethyl)imidazo[1,2-a]pyridine-2-carboxylic acid

Product 1

HCID 2794829(6-Aminopyridin-3-yl)methanolYield 99%

Procedure

A 250 mL 3-neck flask equipped with an addition funnel, an argon (Ar) inlet and a stopper was flame dried and cooled to room temperature. Dry tetrahydrofuran (THF, 30 mL) was added to the flask, followed by 1M. lithium aluminum hydride (LAH) in Et2O (16 mL). After cooling the solution to 0° C. with a wet ice/water bath, the product from Example 8 (0.92 g, 6 mmol) suspended in THF (100 mL) was added dropwise. The reaction was allowed to warm to room temperature and stir for 3 h. The reaction was quenched with H2O, the salts filtered off and the filtrate stripped to give 0.591 g (99%) of title material.

Workup

  1. customA 250 mL 3-neck flask equipped with an addition funnel, an argon (Ar) inlet
On this pageParticipantsProcedureWorkupSources & evidenceReaction notes
  • temperaturea stopper was flame
  • customdried
  • additionDry tetrahydrofuran (THF, 30 mL) was added to the flask
  • temperatureAfter cooling the solution to 0° C. with a wet ice/water bath
  • additionwas added dropwise
  • temperatureto warm to room temperature
  • customThe reaction was quenched with H2O
  • filtrationthe salts filtered off
  • Sources & evidence

    ORD record
    ord-ca38f39571054032a43dce3d17c5611b
    Source dataset
    uspto-grants-1998_02
    DOI
    10.6084/m9.figshare.5104873.v1
    Patent number
    US05716964

    Reaction notes

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