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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 432622Generated: October 26, 2026

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

https://huagongshe.com/reaction/432622

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-DifluorophenolHCID 80879—
Reactant3,4-Bis(4-methoxyphenyl)-6-chloropyridazineHCID 12568084—
Product3,4-Bis(4-methoxyphenyl)-6-(2,3-difluorophenoxy)pyridazineHCID 10273629—

Reaction Steps

In a similar manner as in Example 2, 3,4-bis(4-methoxyphenyl)-6-chloropyridazine (180 mg, 0.551 mmol) and 2,3-difluorophenol were reacted as starting materials at 150° C. for 19 hours and post-treatment was then conducted, whereby the title compound was obtained as a colorless crystalline powder (203.3 mg, 90.0%). Melting point: 157.5-159.0° C. (chloroform-hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06664256B1
Source datasetuspto-grants-2003_12
ORD IDord-b680130d5d8545f1a8890c75b8df9a63
Source noteuspto-grants-2003_12