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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1444067Generated: October 31, 2026

Hydrochloric Acid → 2,3-Dichloro-N-{3-methoxy-5-[(2S)-pyrrolidin-2-ylmethoxy]-2-pyrazinyl}benzenesulfonamide hydrochloride

https://huagongshe.com/reaction/1444067

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-methyl-2-pyrrolidoneHCID 13387—
ReactantSodium hydrideHCID 24758—
Reactant1-PyrrolidinecarboxylateHCID 22325173—
ReactantN-(5-bromo-3-methoxy-2-pyrazinyl)-2,3-dichloro-N-({2-[(trimethylsilyl)oxy]ethoxy}methyl)benzenesulphonamideHCID 86602797—
Product2,3-Dichloro-N-{3-methoxy-5-[(2S)-pyrrolidin-2-ylmethoxy]-2-pyrazinyl}benzenesulfonamide hydrochlorideHCID 67139270—

Reaction Steps

Procedure as for Example 115 using N-(5-bromo-3-methoxy-2-pyrazinyl)-2,3-dichloro-N-({2-[(trimethylsilyl)oxy]ethoxy}methyl)benzenesulphonamide (Example 55a) (0.5 g), tert-butyl (2S)-2-hydroxymethyl)pyrrolidine-1-carboxylate (0.603 g) and sodium hydride (0.12 g of a 60% dispersion in oil) in N-methylpyrrolidinone (20 mL). The adduct was deprotected with HCl (4M in dioxane) to afford the titled adduct (0.241 g) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07662825B2
Source datasetuspto-grants-2010_02
ORD IDord-ebc6a86e92554adda216741aebcff445
Source noteuspto-grants-2010_02