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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 381890Generated: October 25, 2026

Ammonia → 4-Fluorophenyl-4-(4-fluorophenoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone

https://huagongshe.com/reaction/381890

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant4-FluoroiodobenzeneHCID 9605—
Reactant4-(4-fluorophenoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinoneHCID 21934162—
Product4-Fluorophenyl-4-(4-fluorophenoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinoneHCID 10343937—

Reaction Steps

The title compound was prepared according to Example 93, starting with 4-(4-fluorophenoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone and substituting 1-fluoro-4-iodobenzene in place of 4-bromothioanisole (yield: 60 mg, 53%). mp 83-85° C. 1H NMR (300 MHz, CDCl3) δ 3.10 (s, 3H), 6.89-7.03 (m, 4H), 7.15 (t, J=9 Hz, 2H), 7.65 (dd, J=9 Hz, 6 Hz, 2H), 7.83 (d, J=6 Hz, 2H), 8.07 (d, J=9 Hz, 2H), 8.08 (s, 1H). MS (DCI/NH3) m/z 455 (M+H)+, 472 (M+NH4)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06307047B1
Source datasetuspto-grants-2001_10
ORD IDord-b6d9f581c8d44462bae2101abe411f5c
Source noteuspto-grants-2001_10