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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1278183Generated: October 26, 2026

2-Amino-5-bromopyridine → 1-(2-Chloro-6-fluorobenzoyl)-3-(5-bromo-2-pyridinyl)urea

https://huagongshe.com/reaction/1278183

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-bromopyridineHCID 70622—
Reactant2-Chloro-6-fluorobenzamidocarboxylic acid chlorideHCID 53797667—
Product1-(2-Chloro-6-fluorobenzoyl)-3-(5-bromo-2-pyridinyl)ureaHCID 13023074—

Reaction Steps

To a portion of 2-chloro-6-fluorobenzamidocarboxylic acid chloride dissolved in an organic solvent, a hydrogen halide acceptor is added, and a portion of 5-bromo-2-aminopyridine is added. After a period of stirring, the reaction mixture is washed with water and neutralized, and the product named in the heading is isolated as described in Example 12. The product is identical to that of Example 2 above.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04281003
Source datasetuspto-grants-1981_07
ORD IDord-4ee9ed45a07440e784f577125e4f3d49
Source noteuspto-grants-1981_07