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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1873794Generated: November 2, 2026

Hydrazine hydrate (1:1) → 5-(3,4-dimethoxyphenyl)-4-methyl-4-propyl-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/1873794

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantVeratroyl chlorideHCID 77070—
ReactantMethyl 2-methylpentanoateHCID 519890—
Product5-(3,4-dimethoxyphenyl)-4-methyl-4-propyl-2,4-dihydro-3H-pyrazol-3-oneHCID 66616588—

Reaction Steps

Prepared analogously as described for example C5 using 3,4-dimethoxybenzoyl chloride, methyl 2-methylpentanoate and hydrazine hydrate as starting compounds.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08304436B2
Source datasetuspto-grants-2012_11
ORD IDord-7534185c0d5e44da817b361b82fa6165
Source noteuspto-grants-2012_11