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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 535495Generated: October 29, 2026

Hydrazine hydrate (1:1) → HCID 23153686, compound

https://huagongshe.com/reaction/535495

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 70976014HCID 70976014—
SolventEthanolHCID 702—
ProductHCID 23153686HCID 23153686—

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of ethyl 2-(6-methoxynicotinoyl)benzoate (0.496 g, 1.74 mmol) and hydrazine hydrate (0.39 mL, 6.9 mmol) in ethanol (6 mL) was stirred at 80° C. for 2 hours, concentrated, and azeotroped with PhMe to give crude 4-(6-methoxypyridin-3-yl)phthalazin-1(2H)-one, which was used without purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08859549B2
Source datasetuspto-grants-2014_10
ORD IDord-d5adcc662f5d4aa0b7086a4cc4f30acc
Source noteuspto-grants-2014_10