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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 432623Generated: October 25, 2026

2,4-Difluorophenol → 3,4-Bis(4-methoxyphenyl)-6-(2,4-difluorophenoxy)pyridazine

https://huagongshe.com/reaction/432623

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-DifluorophenolHCID 123051—
Reactant3,4-Bis(4-methoxyphenyl)-6-chloropyridazineHCID 12568084—
Product3,4-Bis(4-methoxyphenyl)-6-(2,4-difluorophenoxy)pyridazineHCID 18759997—

Reaction Steps

In a similar manner as in Example 2, 3,4-bis(4-methoxyphenyl)-6-chloropyridazine (200 mg, 0.613 mmol) and 2,4-difluorophenol were reacted as starting materials at 120° C. for 13 hours and post-treatment was then conducted, whereby the title compound was obtained as a colorless crystalline powder (136 mg, 52.5%). Melting point: 141.7-142.5° C. (diethyl ether-hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06664256B1
Source datasetuspto-grants-2003_12
ORD IDord-54a4d3ee2d474f3889569ea850215ab9
Source noteuspto-grants-2003_12