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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 614687Generated: November 3, 2026

Cysteamine → 2-(3,4-Dimethoxy-2-pyridylmethylthio)ethylamine

https://huagongshe.com/reaction/614687

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCysteamineHCID 6058—
ReactantThionyl ChlorideHCID 24386—
Reactant3,4-Dimethoxy-2-pyridinemethanolHCID 10725809—
Product2-(3,4-Dimethoxy-2-pyridylmethylthio)ethylamineHCID 20279282—

Reaction Steps

3-Fluoro-2-methyl-4-nitropyridine N-oxide is treated with an excess of sodium methoxide and the product is heated in acetic anhydride and deacetylated to give 2-hydroxymethyl-3,4-dimethoxypyridine. 2-Hydroxymethyl-3,4-dimethoxypyridine is treated with thionyl chloride and the product is treated was cysteamine to give 2-(3,4-dimethoxy-2-pyridylmethylthio)ethylamine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04145546
Source datasetuspto-grants-1979_03
ORD IDord-8d91685c9fce44ae9f167bfbeb1d13bf
Source noteuspto-grants-1979_03