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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 735406Generated: October 30, 2026

Hydrochloric Acid → HCID 178489134, compound

https://huagongshe.com/reaction/735406

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl AcetateHCID 8857—
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant(2-Fluoro-3-trifluoromethyl-phenyl)-(4-methoxy-phenyl)-methanoneHCID 11231817—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventPyridineHCID 1049—
ProductHCID 178489134HCID 178489134—

Reaction Conditions

Temperature100 °C

Reaction Steps

(2-Fluoro-3-trifluoromethyl-phenyl)-(4-methoxy-phenyl)-methanone (59.6 mg, 0.2 mmol) was dissolved in 1 ml of pyridine. Hydrazine hydrate (97 μl, 2 mmol) and 4-(dimethylamino)-pyridine (24.4 mg, 0.2 mmol) were added. The reaction mixture was stirred overnight at 100° C. After cooling to room temperature, EtOAc and 1M HCl were added. The organic phase was washed three times with brine, dried over MgSO4 and concentrated under vacuum. Purification of the crude product by flash column chromatography on silica gel (n-heptane/ethyl acetate, 85:15) afforded 56 mg of the analytically pure product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07592363B2
Source datasetuspto-grants-2009_09
ORD IDord-e5b002c7829a48b59466c67f9f54788a
Source noteuspto-grants-2009_09