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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 596315Generated: October 25, 2026

Hydrochloric Acid → 3-(1-Pyrrolidinyl)-4-phenoxy-4-sulphamylbenzoic acid

https://huagongshe.com/reaction/596315

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPiretanideHCID 4849—
Reactant3-(1-Pyrrolidinyl)-4-phenoxy-5-aminobenzoic acidHCID 21312072—
Reactant3-(1-Pyrrolidinyl)-4-phenoxy-5-chlorosulphonyl-benzoic acidHCID 21312108—
Product3-(1-Pyrrolidinyl)-4-phenoxy-4-sulphamylbenzoic acidHCID 70606662—

Reaction Steps

The hydrochloride of the 3-(1-pyrrolidinyl)-4-phenoxy-5-aminobenzoic acid in converted in the manner described in Example 35 over the 3-(1-pyrrolidinyl)-4-phenoxy-5-chlorosulphonyl-benzoic acid into the desired 3-(1-pyrrolidinyl)-4-phenoxy-5-sulphamylbenzoic acid melting at 225°-226° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04010273
Source datasetuspto-grants-1977_03
ORD IDord-0343ceec0cd24984bf24dfb456e9695b
Source noteuspto-grants-1977_03