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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 224813Generated: October 28, 2026

Ethylenediamine → 2(1,3-Diphenyl-5-pyrazolyl) amino-2-imidazoline

https://huagongshe.com/reaction/224813

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylenediamineHCID 3301—
ReactantHCID 178503966HCID 178503966—
Product2(1,3-Diphenyl-5-pyrazolyl) amino-2-imidazolineHCID 12763856—

Reaction Steps

N(1,3-Diphenyl-5-pyrazolyl)-S-methyl isothiourea hydroiodide (43.6 g.) and ethylene diamine (12.0 g.) were reacted as described in Example VI to give 26.0 g. of the product, mp 228°-230° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04234594
Source datasetuspto-grants-1980_11
ORD IDord-2540bf39c7004d169e071e221462e67e
Source noteuspto-grants-1980_11