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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1623960Generated: October 30, 2026

Hydrazine hydrate (1:1) → HCID 67060890, compound

https://huagongshe.com/reaction/1623960

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant2,5-Dichloro-4-(trifluoromethyl)pyridineHCID 26986016—
SolventIsopropanolHCID 3776—
ProductHCID 67060890HCID 6706089096%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of 2,5-dichloro-4-(trifluoromethyl)pyridine (1 g, 4.63 mmol) in isopropanol (20 mL) was added hydrazine monohydrate (2.021 mL, 41.7 mmol). The mixture was stirred at 70° C. for 16 h. The reaction was concentrated. The residue was taken up in ethyl acetate and the insoluble material was removed by filtration. The filtrate was concentrated to give the title compound as a tan solid (0.94 g). LCMS m/z=212.0 [M+H]+; 1H NMR (400 MHz, DMSO-d6) δ ppm 4.39 (s, 2H), 7.11 (s, 1H), 8.19 (s, 1H), 8.25 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08778950B2
Source datasetuspto-grants-2014_07
ORD IDord-6370a644149a4c498ec0e78a02dba71c
Source noteuspto-grants-2014_07