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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 918424Generated: October 26, 2026

2-Methyl-2-thiopseudourea sulfate → Guanidine Sulfate (1:1)

https://huagongshe.com/reaction/918424

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methyl-2-thiopseudourea sulfateHCID 75270—
Reactant2-(3-Chloropyrid-2-ylmethylthio)ethylamineHCID 12951532—
SolventWaterHCID 962—
ProductGuanidine Sulfate (1:1)HCID 499987—

Reaction Steps

A solution of 3-chloro-2-((2-aminoethyl)thiomethyl) pyridine (22.4 g) and S-methylisothiourea sulphate (15.1 g) in water (100 ml) was heated under reflux for 3 hours. Concentration, acidification with sulphuric acid and dilution with ethanol afforded 2-[3-chloro-2-pyridyl)methylthio)ethyl]guanidine sulphate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03971786
Source datasetuspto-grants-1976_07
ORD IDord-38d538664abd48e3b581076a6522e159
Source noteuspto-grants-1976_07