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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 610117Generated: November 1, 2026

Phenylhydrazine → 1-(4-Chlorophenyl)-3-methyl-1H-pyrazole

https://huagongshe.com/reaction/610117

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
Reactant(4-Chlorophenyl)hydrazineHCID 70624—
Product1-(4-Chlorophenyl)-3-methyl-1H-pyrazoleHCID 17939968—

Reaction Steps

This compound was prepared by the same methodology described for EXAMPLE 8 with 4-chlorophenyl hydrazine · HCl substituted for phenyl hydrazine and 2-amino-5-(2-N-t-butylaminosulfonylphenyl)pyridine was used in the coupling step. There was obtained the title compound; HRMS (M+H)+ : calc. 468.089714; found 468.088873.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05998424
Source datasetuspto-grants-1999_12
ORD IDord-aceddcd41e9842d6bbb76c3ad1c2d59d
Source noteuspto-grants-1999_12