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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1758654Generated: November 2, 2026

Ethylamine → 3-{2-[(5-Dimethylaminomethyl-2-thienyl)methylthio]ethylamino}-4-ethylamino-1,2,5-thiadiazole 1-oxide

https://huagongshe.com/reaction/1758654

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant3,4-Dimethoxy-1,2,5-thiadiazole 1-oxideHCID 12913947—
Reactant2-(5-Dimethylaminomethyl-2-thienylmethylthio)ethylamineHCID 12913951—
Product3-{2-[(5-Dimethylaminomethyl-2-thienyl)methylthio]ethylamino}-4-ethylamino-1,2,5-thiadiazole 1-oxideHCID 20402199—

Reaction Steps

When a solution of 3,4-dimethoxy-1,2,5-thiadiazole 1-oxide [prepared in Example 4, Step A] is successively reacted with an equimolar amount of 2-[(5-dimethylaminomethyl-2-thienyl)methylthio]ethylamine and excess ethylamine according to the procedure described in Example 18, the title compound is thereby produced.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04374248
Source datasetuspto-grants-1983_02
ORD IDord-02b4e0a4253a405ea06dfc6c2487da64
Source noteuspto-grants-1983_02