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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2292667Generated: November 1, 2026

Hydrazine hydrate (1:1) → HCID 21478990, compound

https://huagongshe.com/reaction/2292667

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 21478993HCID 21478993—
SolventMethanolHCID 887—
ProductHCID 21478990HCID 2147899096.8%

Reaction Steps

A mixture of N-{2-[4-(1-pyrazolyl)methylphenoxy]ethyl}phthalimide (2.79 g), hydrazine hydrate (0.47 g) and methanol was heated at reflux under stirring for 1 hour. The reaction mixture was then concentrated under reduced pressure to remove most of the methanol, to which methylene chloride (200 ml) was added. The organic layer was washed with 2N sodium hydroxide, dried with anhydrous sodium sulfate, and concentrated under reduced pressure, which afforded 1.69 g of 2-[4-(1-pyrazolyl)methylphenoxy]ethylamine as a colorless oil. Yield, 97%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05684022
Source datasetuspto-grants-1997_11
ORD IDord-7886b1f688aa4835b64fa10066038228
Source noteuspto-grants-1997_11