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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 508994Generated: October 26, 2026

Trifluoroacetic acid → N-(4-Chloro-3-(3-(2-chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-fluorobenzyl)pivalamide

https://huagongshe.com/reaction/508994

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant2-Chloro-6-fluorobenzoyl isocyanateHCID 13051731—
ReactantTert-butyl 2-(6-chloro-2-fluoro-3-(pivalamidomethyl)phenyl)hydrazinecarboxylateHCID 90019676—
SolventDichloromethaneHCID 6344—
ProductN-(4-Chloro-3-(3-(2-chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-fluorobenzyl)pivalamideHCID 136246015—

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-chloro-6-fluorobenzoyl isocyanate (Intermediate-8, 0.060 g, 0.26 mmol), DCM (10 mL) and TFA (3 mL) to afford 0.025 g of pure product. 1H NMR (400 MHz, CDCl3): δ 1.19 (s, 9H), 4.48 (m, 2H), 6.09 (m, 1H), 7.15 (t, J=8.4 Hz, 1H), 7.32 (t, J=8.2 Hz, 2H), 7.40-7.45 (m, 2H), 10.66 (br s, 1H); MS (m/z): 455.21 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09096545B2
Source datasetuspto-grants-2015_08
ORD IDord-6e0293012f9f47c89674a8a445089c29
Source noteuspto-grants-2015_08