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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 508993Generated: October 26, 2026

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

https://huagongshe.com/reaction/508993

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 2-(6-chloro-2-fluoro-3-(pivalamidomethyl)phenyl)hydrazinecarboxylateHCID 90019676—
Reactant2-Fluoro-4-(trifluoromethyl)benzoyl isocyanateHCID 90019717—
SolventDichloromethaneHCID 6344—
ProductN-(4-Chloro-2-fluoro-3-(3-(2-fluoro-4-(trifluoromethyl)phenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)benzyl)pivalamideHCID 136246014—

Reaction Steps

The title compound was prepared by following the procedure as described for Example-83 by using tert-butyl 2-(6-chloro-2-fluoro-3-(pivalamidomethyl)phenyl)hydrazinecarboxylate (Intermediate-57, 0.050 g, 0.13 mmol), 2-fluoro-4-(trifluoromethyl)benzoyl isocyanate (Intermediate-56, 0.10 g, 0.26 mmol), DCM (10 mL) and TFA (3 mL) to afford 0.030 g of pure product. 1H NMR (400 MHz, CDCl3): δ 1.20 (s, 9H), 4.48 (d, J=5.7 Hz, 2H), 6.13 (m, 1H), 7.31 (d, J=8.5 Hz, 1H), 7.41-7.51 (m, 3H), 8.12 (t, J=7.9 Hz, 1H); MS (m/z): 489.20 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09096545B2
Source datasetuspto-grants-2015_08
ORD IDord-5821fb19d03a4aec8e2c84f56f9a568c
Source noteuspto-grants-2015_08