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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 903082Generated: October 25, 2026

3-Amino-2-butenenitrile → 1-(3,4-dichlorophenyl)-3-methyl-1H-pyrazol-5-amine

https://huagongshe.com/reaction/903082

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Amino-2-butenenitrileHCID 70699—
Reactant(3,4-Dichlorophenyl)hydrazine monohydrochlorideHCID 3084323—
Product1-(3,4-dichlorophenyl)-3-methyl-1H-pyrazol-5-amineHCID 2402142—

Reaction Steps

3,4-Dichlorophenyl hydrazine HCl (50.0 g.) was reacted with 3-amino-2-butene nitrile (18.31 g.) as described in Example XLIII to give 18.7 g. product, mp 110°-112°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04226773
Source datasetuspto-grants-1980_10
ORD IDord-214ae3496c744644878141a6fb7df90a
Source noteuspto-grants-1980_10