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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924532Generated: October 26, 2026

Methyl 3-hydrazinylbenzoate → 3-{5-[4-Oxo-1-(3-trifluoromethoxy-phenyl)-1,4-dihydro-pyridazin-3-yl]-pyrazol-1-yl}-benzoic acid methyl ester

https://huagongshe.com/reaction/1924532

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 3-hydrazinylbenzoateHCID 11240687—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-oneHCID 59370123—
Product3-{5-[4-Oxo-1-(3-trifluoromethoxy-phenyl)-1,4-dihydro-pyridazin-3-yl]-pyrazol-1-yl}-benzoic acid methyl esterHCID 46220046—

Reaction Steps

Reaction of 3-((E)-3-dimethylamino-acryloyl)-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-one (A-6) and 3-hydrazino-benzoic acid methyl ester according to example 43 gave the desired product. MS: M=456.9 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-6b7a0a52f44c4859b1f27eeefa1da9d9
Source noteuspto-grants-2012_05