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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 84164Generated: October 25, 2026

Benzocaine → 4-(Pyridine-2-sulfonylamino)benzoic acid

https://huagongshe.com/reaction/84164

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzocaineHCID 2337—
ReactantPyridine-2-sulfonyl ChlorideHCID 3787675—
ReactantHCID 67609300HCID 67609300—
Product4-(Pyridine-2-sulfonylamino)benzoic acidHCID 6940946250%

Reaction Steps

Intermediate 5c (solid) is prepared using intermediate 4b and ethyl 4-aminobenzoate using the procedure described for 5a.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08846930B2
Source datasetuspto-grants-2014_09
ORD IDord-23802cf736fc49499ae7e9c13804794b
Source noteuspto-grants-2014_09