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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1428534Generated: October 26, 2026

N-Iodosuccinimide → HCID 178467033, compound

https://huagongshe.com/reaction/1428534

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-IodosuccinimideHCID 120273—
Reactant4-ethoxy-1H-pyridin-2-oneHCID 178466960—
SolventDimethylformamideHCID 6228—
ProductHCID 178467033HCID 17846703323.9%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a mixture of 4-ethoxypyridin-2-ol (2.5 g, 17.97 mmol) in DMF (30 mL) was added NIS (4.04 g, 17.97 mmol). The mixture was stirred at 80° C. for 16 h. The mixture was concentrated and purified by preparative HPLC (MeCN/H2O as eluants, acidic condition) to yield a yellow solid of 4-ethoxy-5-iodopyridin-2-ol (1.2 g, 4.30 mmol, 23.9% yield): 1H NMR (400 MHz, CD3OD) δ 7.70 (s, 1H), 5.92 (s, 1H), 4.15-4.10 (m, 2H), 1.48 (t, J=6.8 Hz, 3H); ES-LCMS m/z 265.8 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08937071B2
Source datasetuspto-grants-2015_01
ORD IDord-f6fea680d5f34ce0aa200fa4844715d4
Source noteuspto-grants-2015_01