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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2269006Generated: October 30, 2026

Hydrochloric Acid → N-(4-chloro-3-methyl-5-isoxazolyl)-2-[2-(2-hydroxyethyl)-4,5-(methylenedioxy)benzyl]thieno[2,3-b]pyridine-3-sulfonamide

https://huagongshe.com/reaction/2269006

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-(4-chloro-3-methyl-5-isoxazolyl)-N-(methoxyethoxymethyl)-2-{2-[2-(acetoxy)ethyl]-4,5-(methylenedioxy)benzyl}thieno[2,3-b]pyridine-3-sulfonamideHCID 18614040—
SolventMethanolHCID 887—
ProductN-(4-chloro-3-methyl-5-isoxazolyl)-2-[2-(2-hydroxyethyl)-4,5-(methylenedioxy)benzyl]thieno[2,3-b]pyridine-3-sulfonamideHCID 1204491084%

Reaction Steps

The title compound was prepared by the method of Example 4(D) using N-(4-chloro-3-methyl-5-isoxazolyl)-N-(methoxyethoxymethyl)-2-{2-[2-(acetoxy)ethyl]-4,5-(methylenedioxy)benzyl}thieno[2,3-b]pyridine-3-sulfonamide (83 mg, 0.13 mmoles), methanol (3 ml) and 4N HCl (1 ml). Recrystallization from CH2Cl2/hexanes provided 55 mg (84%) of the title compound as a white solid, m.p. 104-106° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06329387B2
Source datasetuspto-grants-2001_12
ORD IDord-9684cb368ff441e4a5bd8a4f09a9ddf7
Source noteuspto-grants-2001_12