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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2071778Generated: October 27, 2026

2-Pyridineethanamine → HCID 178512782, compound

https://huagongshe.com/reaction/2071778

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-PyridineethanamineHCID 75919—
ReactantS-methyl isothiourea hemisulfateHCID 6604939—
SolventWaterHCID 962—
ProductHCID 178512782HCID 178512782—

Reaction Steps

A solution of 2-(2-aminoethyl)pyridine (10.0 g) and S-methylthiouronium sulphate (11.39 g) in water (30 ml) is heated under reflux for 2 hours. The crude material, isolated in a manner similar to that described in Example 1, is recrystallized from water, yielding 2(2-pyridyl)ethylguanidine sulphate, m.p. 264°-266° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04048319
Source datasetuspto-grants-1977_09
ORD IDord-f08aab98c95d4cadbbba8e25d53f154f
Source noteuspto-grants-1977_09