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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2393146Generated: November 1, 2026

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

https://huagongshe.com/reaction/2393146

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-(4-chloro-5-methyl-3-isoxazolyl)-N-(methoxyethoxymethyl)-2-[2-methyl-4,5-(methylenedioxy)benzyl]thieno[2,3-b]pyridine-3-sulfonamideHCID 18614045—
SolventMethanolHCID 887—
ProductN-(4-chloro-5-methyl-3-isoxazolyl)-2-[2-methyl-4,5-(methylenedioxy)-benzyl]thieno[2,3-b]pyridine-3-sulfonamideHCID 991292983.7%

Reaction Steps

The title compound was prepared by the method of Example 4(D) using N-(4-chloro-5-methyl-3-isoxazolyl)-N-(methoxyethoxymethyl)-2-[2-methyl-4,5-(methylenedioxy)benzyl]thieno[2,3-b]pyridine-3- sulfonamide (58 mg, 0.10 mmoles), methanol (3 ml) and 4N HCl (1 ml). Recrystallization from chloroform and hexanes provided 40 mg (80%) of the title compound as a white solid, m.p. 189°-191° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05804585
Source datasetuspto-grants-1998_09
ORD IDord-781fb207f55a46b086d67a1d6a8cc493
Source noteuspto-grants-1998_09