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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2243906Generated: October 26, 2026

Hydrazine hydrate (1:1) → 3-[1-(4-Fluoro-phenyl)-5-trifluoromethyl-1H-pyrazol-4-yl]-5,6,7,8,9,10-hexahydro-cycloocta[c]pyridazine

https://huagongshe.com/reaction/2243906

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant1,2-CyclooctanedioneHCID 543698—
Reactant{2-[1-(4-Fluoro-phenyl)-5-trifluoromethyl-1H-pyrazol-4-yl]-2-oxo-ethyl}-phosphonic acid dimethyl esterHCID 86609912—
Product3-[1-(4-Fluoro-phenyl)-5-trifluoromethyl-1H-pyrazol-4-yl]-5,6,7,8,9,10-hexahydro-cycloocta[c]pyridazineHCID 16063591—

Reaction Steps

off-white solid. MS (EI): 390.1 (M+). Prepared from cyclooctane-1,2-dione, {2-[1-(4-Fluoro-phenyl)-5-trifluoromethyl-1H-pyrazol-4-yl]-2-oxo-ethyl}-phosphonic acid dimethyl ester, hydrazine monohydrate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678795B2
Source datasetuspto-grants-2010_03
ORD IDord-2832930200994ddbba3ceea0f88f3461
Source noteuspto-grants-2010_03