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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 64892Generated: October 23, 2026

4-Aminobenzoic Acid → 4-(4-Pyridinylamino)benzoic acid

https://huagongshe.com/en/reaction/64892

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Aminobenzoic AcidHCID 978—
Reactant4-ChloropyridineHCID 12288—
SolventAcetic AcidHCID 176—
Product4-(4-Pyridinylamino)benzoic acidHCID 12896000—

Reaction Steps

4-(4-Pyridinylamino)benzoic acid was prepared from 76.6 g of 4-aminobenzoic acid and 63.5 g of 4-chloropyridine in 240 ml of acetic acid, heated at reflux for 6 hours. With a work-up procedure similar to that of Example 33, there was obtained 50 g of product with the m.p. 322°-324° C.(decompn.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04610991
Source datasetuspto-grants-1986_09
ORD IDord-eba9e59a76304497ac58d4f5f2ccc1b3
Source noteuspto-grants-1986_09