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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2230947Generated: October 31, 2026

Ethyl Acetate → 4-(3-Nitrophenyl)-2-(pyridin-3-yl)thiazole

https://huagongshe.com/reaction/2230947

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant2-Bromo-1-(3-nitrophenyl)ethan-1-oneHCID 75213—
ReactantSodium BicarbonateHCID 516892—
ReactantThionicotinamideHCID 737155—
SolventEthanolHCID 702—
Product4-(3-Nitrophenyl)-2-(pyridin-3-yl)thiazoleHCID 73849168.6%

Reaction Steps

A mixture of 2-bromo-3′-nitroacetophenone (3.66 g) and 3-thiocarbamoylpyridine (2.07 g) in ethanol (40 ml) was refluxed for 1 hour. The reaction mixture was poured into a mixture of ethyl acetate and an aqueous sodium bicarbonate solution. The organic phase was washed with brine, dried over magnesium sulfate and concentrated. The resultant solid was collected and washed with isopropyl ether to give 4-(3-nitrophenyl)-2-(pyridin-3-yl)thiazole (2.91 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06426345B1
Source datasetuspto-grants-2002_07
ORD IDord-fb1a805f86b749c08ee154ccfe8f77db
Source noteuspto-grants-2002_07