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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 981860Generated: October 31, 2026

2-Bromopyridine → 2-[(3-Nitro-2,4-dimethylphenyl)-amino]-pyridine

https://huagongshe.com/reaction/981860

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-BromopyridineHCID 7973—
ReactantSodium CarbonateHCID 10340—
Reactant2,4-Dimethyl-3-nitroanilineHCID 13369963—
SolventWaterHCID 962—
Product2-[(3-Nitro-2,4-dimethylphenyl)-amino]-pyridineHCID 2006834841.4%

Reaction Conditions

Temperature20 °C

Reaction Steps

3.3 g of 3-Nitro-2,4-dimethylaniline and 3.2 g of 2-bromo-pyridine are mixed and the resulting mixture heated for 8 hours to 170° C. After cooling to 20° C., the greasy mass formed was dissolved in water and the solution pH then raised by addition of sodium carbonate. The resulting precipitate was recrystallized from ethanol. 2 g of the product melting at 178° to 179° C. were obtained. Another 2.1 g of the substance were obtained from the aqueous phase by concentration.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04994087
Source datasetuspto-grants-1991_02
ORD IDord-5333816ef9e6458dacbd323df6c64b6c
Source noteuspto-grants-1991_02