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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524307Generated: October 25, 2026

Hydrazine hydrate (1:1) → 3-[3-(benzyloxy)-4-methoxyphenyl]-4,4-dimethyl-4,5-dihydro-1H-pyrazol-5-one

https://huagongshe.com/reaction/524307

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantMethyl 3-[3-(benzyloxy)-4-methoxyphenyl]-2,2-dimethyl-3-oxopropanoateHCID 66616508—
Product3-[3-(benzyloxy)-4-methoxyphenyl]-4,4-dimethyl-4,5-dihydro-1H-pyrazol-5-oneHCID 66616569—

Reaction Steps

Prepared analogously as described for the example C1 using methyl 3-[3-(benzyloxy)-4-methoxyphenyl]-2,2-dimethyl-3-oxopropanoate (compound D4) and hydrazine hydrate as starting compounds.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340522B2
Source datasetuspto-grants-2016_05
ORD IDord-3610ab272dc642509574b065bb8fd526
Source noteuspto-grants-2016_05