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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1471738Generated: October 31, 2026

Potassium Carbonate → 3-((2-(1-isopropyl-1H-pyrazol-5-yl)pyridin-3-yl)methoxy)-5-methoxyisonicotinaldehyde

https://huagongshe.com/reaction/1471738

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant3-Hydroxy-5-methoxyisonicotinaldehydeHCID 72218053—
ReactantPyridine, 3-(chloromethyl)-2-(1-(1-methylethyl)-1H-pyrazol-5-yl)-, hydrochloride (1:2)HCID 86690720—
SolventDimethylformamideHCID 6228—
Product3-((2-(1-isopropyl-1H-pyrazol-5-yl)pyridin-3-yl)methoxy)-5-methoxyisonicotinaldehydeHCID 8547336943%

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of 3-hydroxy-5-methoxyisonicotinaldehyde (30 mg, 0.20 mmol, 1 eq.), 3-(chloromethyl)-2-(1-isopropyl-1H-pyrazol-5-yl)pyridine hydrochloride (54 mg, 0.20 mmol, 1 eq.), and K2CO3 (110 mg, 0.80 mmol, 4 eq.) in DMF (2.0 mL) was heated at 70° C. for 2 h. The mixture was cooled, filtered, concentrated, and purified on silica gel using a mixture of EtOAc and hexanes to give 3-((2-(1-isopropyl-1H-pyrazol-5-yl)pyridin-3-yl)methoxy)-5-methoxyisonicotinaldehyde (30 mg, 43%) as an off-white solid. 1H NMR (400 MHz, CDCl3) δ 10.46 (s, 1H), 8.65 (dd, J=4.7, 1.1 Hz, 1H), 8.13 (s, 1H), 8.11 (dd, J=7.9, 1.1 Hz, 1H), 7.96 (s, 1H), 7.54 (d, J=1.7 Hz, 1H), 7.37 (dd, J=7.9, 4.8 Hz, 1H), 6.29 (d, J=1.7 Hz, 1H), 5.11 (s, 2H), 4.55 (sep, J=6.6 Hz, 1H), 3.95 (s, 3H), 1.40 (d, J=6.6 Hz, 6H). LRMS (M+H+) m/z 353.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09012450B2
Source datasetuspto-grants-2015_04
ORD IDord-3dd7dec058604f58b85bdaa530ca355e
Source noteuspto-grants-2015_04