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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1089700Generated: October 25, 2026

Methanesulfonyl chloride → Dofetilide

https://huagongshe.com/reaction/1089700

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant1-(4-aminophenoxy)-2-[N-methyl-N-(4-methanesulphonamidophenethyl)amino]ethane dihydrochloride hemihydrateHCID 67895548—
SolventPyridineHCID 1049—
ProductDofetilideHCID 71329—

Reaction Steps

The title compound was prepared by mesylation of 1-(4-aminophenoxy)-2-[N-methyl-N-(4-methanesulphonamidophenethyl)amino]ethane dihydrochloride hemihydrate (95 mg) with mesyl chloride in pyridine according to the procedure of Example 19(C), yield 30 mg, m.p. 147°-149°, confirmed spectroscopically to be identical to the product of Example 7(C).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05079248
Source datasetuspto-grants-1992_01
ORD IDord-5b11486c07814e9286709eb1527e37c0
Source noteuspto-grants-1992_01