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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1976450Generated: October 31, 2026

Lithium Hydroxide → 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-2-(4-chlorophenyl)acetic acid

https://huagongshe.com/reaction/1976450

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantMethyl 2-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(4-chlorophenyl)acetateHCID 22645093—
Product2-[{[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-2-(4-chlorophenyl)acetic acidHCID 22644891—

Reaction Steps

This ester was reacted with excess methanolic lithium hydroxide at room temperature, followed by evaporation of the methanol. The residue was dissolved in water and acidified with 2N hydrochloric acid to give 2-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(4-chlorophenyl)acetic acid as colorless crystals, mp 170-172° C., Electrospray Mass Spec 406.4 (M−H)−

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06225311B1
Source datasetuspto-grants-2001_05
ORD IDord-82ce77d398a643e3a1499223522d59f9
Source noteuspto-grants-2001_05