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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 262612Generated: October 26, 2026

Ethylenediamine → HCID 178511340, compound

https://huagongshe.com/reaction/262612

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylenediamineHCID 3301—
ReactantThionyl bromideHCID 68176—
Reactant5-(Bromomethyl)-1H-pyrazoleHCID 178419514—
ReactantHCID 178519763HCID 178519763—
ProductHCID 178511340HCID 178511340—

Reaction Steps

Reaction of 3-bromomethylpyrazole, prepared by treatment of 3-hydroxymethylpyrazole with thionyl bromide, with ethylenediamine by the procedure of Example 34 gives N-(3-pyrazolylmethyl)ethylenediamine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04154844
Source datasetuspto-grants-1979_05
ORD IDord-235000e3977c4deca617d46772655262
Source noteuspto-grants-1979_05