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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59375Generated: October 28, 2026

Trifluoroacetic acid → N-(4-chloro-2-fluoro-5-(1-(4-fluoro-3-(trifluoromethyl)phenyl)-4,5-dihydro-5-oxo-1H-1,2,4-triazol-3-yl)benzyl)-2,2,2-trifluoroacetamide

https://huagongshe.com/reaction/59375

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant5-((2,2,2-Tri fluoroacetamido)methyl)-2-chloro-4-fluorobenzoyl isocyanateHCID 90018965—
ReactantTert-butyl 2-[4-fluoro-3-(trifluoromethyl)phenyl]hydrazinecarboxylateHCID 90065781—
SolventDichloromethaneHCID 6344—
ProductN-(4-chloro-2-fluoro-5-(1-(4-fluoro-3-(trifluoromethyl)phenyl)-4,5-dihydro-5-oxo-1H-1,2,4-triazol-3-yl)benzyl)-2,2,2-trifluoroacetamideHCID 13661250332.4%

Reaction Steps

The title compound was prepared according to the procedure described in Example-83 by using 5-((2,2,2-trifluoroacetamido)methyl)-2-chloro-4-fluorobenzoyl isocyanate (Intermediate-69, 0.400 g), tert-butyl 2-[4-fluoro-3-(trifluoromethyl)phenyl]hydrazinecarboxylate (Intermediate-80, 0.400 g), DCM (20 mL) and TFA (5.0 mL) to afford 0.200 g of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09439890B2
Source datasetuspto-grants-2016_09
ORD IDord-4e0834775ecf45c2846537c08615825b
Source noteuspto-grants-2016_09