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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2188Generated: October 23, 2026

Methylhydrazine → 3(2H)-Pyridazinone, 6-(4-chlorophenyl)-4,5-dihydro-2-methyl-

https://huagongshe.com/en/reaction/2188

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylhydrazineHCID 6061—
Reactant3-(4-Chlorobenzoyl)propionic acidHCID 77604—
SolventEthanolHCID 702—
Product3(2H)-Pyridazinone, 6-(4-chlorophenyl)-4,5-dihydro-2-methyl-HCID 12196564—

Reaction Steps

To a 250 ml flask equipped with magnetic stirrer and reflux condenser was charged 10 g of 3-(4-chlorobenzoyl)-propionic acid, 250 ml of absolute ethanol, and 2.5 ml of methyl hydrazine. The reaction was refluxed for 3 hours and cooled to yield a solid which was collected by vacuum filtration, washed with 50 ml of hexane, and air dried. Isolated 9.5 g of product as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05728715
Source datasetuspto-grants-1998_03
ORD IDord-ced7355b22f246b584e1e59141387906
Source noteuspto-grants-1998_03