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ChemicalBook CAS DataBase List 2-Aminopyridin-4-ol
33631-05-9

2-Aminopyridin-4-ol synthesis

3synthesis methods
10201-73-7 Synthesis
2-Amino-4-methoxypyridine

10201-73-7
261 suppliers
$8.00/1g

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Yield:33631-05-9 88%

Reaction Conditions:

with L-Selectride in tetrahydrofuran; for 72 h;Reflux;Inert atmosphere;chemoselective reaction;

Steps:

Demethylation of Methoxypyridines; General Procedure:

General procedure: Toa solution of 1 (1.00 mmol) in THF (7.0 mL) was added L-selectride(1 M in THF, 3.0 mL, 3.00 mmol, 3 equiv) under an argonatmosphere. After being refluxed and monitored by TLC, thereaction mixture was quenched with MeOH and evaporated invacuo. The residue was purified by silica gel column chromatographyto give the desired compound 2.

References:

Makino, Kosho;Hasegawa, Yumi;Inoue, Takahide;Araki, Koji;Tabata, Hidetsugu;Oshitari, Tetsuta;Ito, Kiyomi;Natsugari, Hideaki;Takahashi, Hideyo [Synlett,2019,vol. 30,# 8,p. 951 - 954]

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