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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1287739Generated: October 29, 2026

4-(p-Carboxyanilino)-3-nitro-5-sulphamyl-benzoic acid → 3-Amino-4-(p-carboxyanilino)-5-sulphamyl-benzoic acid

https://huagongshe.com/reaction/1287739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(p-Carboxyanilino)-3-nitro-5-sulphamyl-benzoic acidHCID 21506061—
Reactant4-Anilino-3-nitro-5-sulphamyl-benzoic acidHCID 21506071—
Product3-Amino-4-(p-carboxyanilino)-5-sulphamyl-benzoic acidHCID 21506126—

Reaction Steps

By substituting 4-(p-carboxyanilino)-3-nitro-5-sulphamyl-benzoic acid for the 4-anilino-3-nitro-5-sulphamyl-benzoic acid of Example 9 B, the above compound was obtained with a melting point of 262° C (decomp.) after drying in vacuo at 115°C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03985777
Source datasetuspto-grants-1976_10
ORD IDord-c7d422ff4aba494780ef00acc574ab20
Source noteuspto-grants-1976_10