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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1199831Generated: October 25, 2026

Ethanol → 1-(3,5-Dichlorophenyl)-4-ethoxycarbonyl-5-pyrazolecarboxamide

https://huagongshe.com/reaction/1199831

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant1H-Pyrazole-4-carboxylic acid, 5-(aminocarbonyl)-1-(3,5-dichlorophenyl)-HCID 163896—
Product1-(3,5-Dichlorophenyl)-4-ethoxycarbonyl-5-pyrazolecarboxamideHCID 14421312—

Reaction Steps

Two g of the compound of Example 2 was suspended in 80 ml of absolute ethanol and hydrogen chloride gas was bubbled through for 5 minutes. The mixture was then heated under reflux for 2 hours and cooled, and was then filtered. The solids were collected and dried to obtain 1.25 g of the desired product, m.p. 164°-166°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04902808
Source datasetuspto-grants-1990_02
ORD IDord-123f1105a2a342c3be228e0137e6c3ff
Source noteuspto-grants-1990_02