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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1464170Generated: October 30, 2026

Potassium Hydroxide → 2-Hydroxy-5-[2-[4-[(3-methyl-2-pyridinylamino)sulfonyl]phenyl]ethenyl]benzoic acid

https://huagongshe.com/reaction/1464170

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
ReactantSodium SulfiteHCID 24437—
ReactantIsobutyl 2-hydroxy-5-[2-[4-[(3-methyl-2-pyridinylamino)sulfonyl]phenyl]ethenyl]benzoateHCID 54356729—
SolventWaterHCID 962—
Product2-Hydroxy-5-[2-[4-[(3-methyl-2-pyridinylamino)sulfonyl]phenyl]ethenyl]benzoic acidHCID 54409484—

Reaction Steps

The product from Example 12c (78 g) was added to a solution of potassium hydroxide (50 g, 0.78 mol) in water (600 mi) and the mixture was refluxed overnight. After addition of activated carbon (2 g) and sodium sulfite (0.5 g) the mixture was allowed to cool, with s&%g to room temperature and then filtered.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05302718
Source datasetuspto-grants-1994_04
ORD IDord-6aa438f45db143c99ef1cb234ebb90f5
Source noteuspto-grants-1994_04