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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924576Generated: October 26, 2026

(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-hydrazine → 1-(4-Difluoromethoxy-phenyl)-3-[2-(2,3-dihydro-benzo[1,4]dioxin-6-yl)-2H-pyrazol-3-yl]-1H-pyridazin-4-one

https://huagongshe.com/reaction/1924576

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-hydrazineHCID 5164485—
Reactant1-(4-Difluoromethoxy-phenyl)-3-((E)-3-dimethylamino-acryloyl)-1H-pyridazin-4-oneHCID 59369978—
Product1-(4-Difluoromethoxy-phenyl)-3-[2-(2,3-dihydro-benzo[1,4]dioxin-6-yl)-2H-pyrazol-3-yl]-1H-pyridazin-4-oneHCID 5937001833%

Reaction Steps

The product was obtained starting from 1-(4-Difluoromethoxy-phenyl)-3-((E)-3-dimethylamino-acryloyl)-1H-pyridazin-4-one (A-9) and (2,3-dihydro-benzo[1,4]dioxin-6-yl)-hydrazine according to the method described for Example 91 in 33% yield. MS: M=439.1 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-4cf4108fb617497981fa0b3d22941b23
Source noteuspto-grants-2012_05