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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 12460Generated: October 29, 2026

Lithium Hydroxide → 1-Ethyl-2-(naphthalen-1-yl)-1H-imidazole-4-carboxylic acid

https://huagongshe.com/reaction/12460

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
Reactant1-ethyl-2-naphthalen-1-yl-1H-imidazole-4-carboxylic acid ethyl esterHCID 68628574—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product1-Ethyl-2-(naphthalen-1-yl)-1H-imidazole-4-carboxylic acidHCID 53422454—

Reaction Conditions

Temperature50 °C

Reaction Steps

1-Ethyl-2-naphthalen-1-yl-1H-imidazole-4-carboxylic acid ethyl ester (2.2 g, 7.48 mmol) is dissolved in THF (20 ml), followed by the addition of aqueous lithium hydroxide solution (2.0 N, 7.5 ml, 2.0 eq.). The mixture is heated at 50° C. overnight. THF is stripped off under reduced pressure, and the residue is diluted with water (10 ml), basified to pH=4˜5. The solid precipitate is collected, washed with water and ether, dried under high vacuum to give the title compound. LCMS 267 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07728009B1
Source datasetuspto-grants-2010_06
ORD IDord-e1d19fefd1aa46a38ad1627104fb90fd
Source noteuspto-grants-2010_06