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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8028Generated: October 25, 2026

4-(Bromomethyl)-1,2-difluorobenzene → 2-(3,4-difluorobenzyl)-6-(3-fluoro-4-methoxyphenyl)-4-methoxycarbonyl-2H-pyridazin-3-one

https://huagongshe.com/reaction/8028

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Bromomethyl)-1,2-difluorobenzeneHCID 581436—
Reactant6-(3-fluoro-4-methoxyphenyl)-4-methoxycarbonyl-2H-pyridazin-3-oneHCID 21991432—
Reactant6-(2,4-difluorophenyl)-4-hydroxymethyl-2-isobutyl-2H-pyridazin-3-oneHCID 21991662—
Product2-(3,4-difluorobenzyl)-6-(3-fluoro-4-methoxyphenyl)-4-methoxycarbonyl-2H-pyridazin-3-oneHCID 2199166692.1%

Reaction Steps

Following the procedure of Example 1 (6), 6-(3-fluoro-4-methoxyphenyl)-4-methoxycarbonyl-2H-pyridazin-3-one and 3,4-difluorobenzyl bromide were reacted to yield the title compound as a yellow crystalline powder (yield: 92.1%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087606B2
Source datasetuspto-grants-2006_08
ORD IDord-7fbe98d2d8c545b9967357d14a5f9904
Source noteuspto-grants-2006_08