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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1165433Generated: October 25, 2026

Potassium Hydroxide → 4-chloro-2-(4-chlorophenyl)-5-{(6-chloro-3-pyridyl)-methyloxy}-3(2H)-pyridazinone

https://huagongshe.com/reaction/1165433

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant(6-Chloropyridin-3-yl)methanolHCID 177161—
Reactant4,5-Dichloro-2-(4-chlorophenyl)-3(2H)-pyridazinoneHCID 779402—
SolventDimethylformamideHCID 6228—
Product4-chloro-2-(4-chlorophenyl)-5-{(6-chloro-3-pyridyl)-methyloxy}-3(2H)-pyridazinoneHCID 363922561.2%

Reaction Steps

The procedures in Synthesis Example 2 were repeated by using 2.0 g (7.2 m mol) of 2-(4-chlorophenyl)-4,5-dichloro-3(2H)-pyridazinone, 1.1 g (7.7 m mol) of 6-chloro-3-pyridine methanol, 0.4 g of potassium hydroxide and 80 ml of N,N-dimethylformamide to give 1.7 g of the intended product (recrystallized from benzene/n-hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04910201
Source datasetuspto-grants-1990_03
ORD IDord-6690ea97cf5545289c0658e98f2f1891
Source noteuspto-grants-1990_03