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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 989189Generated: October 31, 2026

2-Bromo-1-(3-nitrophenyl)ethan-1-one → 4-(3-Nitrophenyl)-2-(3-pyridyl)-thiazole hydrobromide

https://huagongshe.com/reaction/989189

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromo-1-(3-nitrophenyl)ethan-1-oneHCID 75213—
ReactantThionicotinamideHCID 737155—
SolventEthanolHCID 702—
Product4-(3-Nitrophenyl)-2-(3-pyridyl)-thiazole hydrobromideHCID 282387492%

Reaction Steps

A mixture of 2-bromo-3′-nitroacetophenone (5 g, 20 mmol) and thionicotinamide (2.76 g, 20 mmol) in ethanol (25 ml) was heated to reflux for 1 h, during which time extensive precipitation occurred. Filtration and drying afforded the product as a yellow solid (6.7 g, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06638953B2
Source datasetuspto-grants-2003_10
ORD IDord-dcdfa7ba5a9649b4987c5725033af87f
Source noteuspto-grants-2003_10