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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1471895Generated: October 30, 2026

Hydrazine hydrate (1:1) → HCID 67384438, compound

https://huagongshe.com/reaction/1471895

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant1-(Dimethylamino)-2-phenylpent-1-en-3-oneHCID 67384321—
SolventEthanolHCID 702—
ProductHCID 67384438HCID 6738443899.9%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a mixture of 1-(dimethylamino)-2-phenylpent-1-en-3-one (3.32 g, 16.33 mmol) in EtOH (80.0 mL) was added hydrazine hydrate (1.58 mL, 32.66 mmol). The resulting mixture was stirred at 80° C. for 3 h. The reaction mixture was cooled to room temperature and concentrated to give a solid. The solid was re-crystallized, using 20% ethanol in water to give the title compound as a white solid (2.81 g). LCMS m/z=173 [M+H]+; 1H NMR (400 MHz, CDCl3) δ ppm 1.31 (t, J=7.58 Hz, 3H), 2.88 (q, J=7.58 Hz, 2H), 7.22-7.30 (m, 1H), 7.35-7.42 (m, 4H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09012478B2
Source datasetuspto-grants-2015_04
ORD IDord-5337a54f11044afeaf2be1286cc64d43
Source noteuspto-grants-2015_04