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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924561Generated: October 26, 2026

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

https://huagongshe.com/reaction/1924561

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-hydrazineHCID 5164485—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-methansulfonyl-phenyl)-1H-pyridazin-4-oneHCID 59370171—
Product3-[2-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-2H-pyrazol-3-yl]-1-(3-methanesulfonyl-phenyl)-1H-pyridazin-4-oneHCID 46218823—

Reaction Steps

Reaction of 3-((E)-3-dimethylamino-acryloyl)-1-(3-methansulfonyl-phenyl)-1H-pyridazin-4-one (A-7) and (2,3-dihydro-benzo[1,4]dioxin-6-yl)-hydrazine according to example 43 gave the desired product. MS: M=451 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-f6526adee1d94ffd87c73ed80ab9ad8f
Source noteuspto-grants-2012_05