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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 509056Generated: October 27, 2026

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

https://huagongshe.com/reaction/509056

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 2-(2-chloro-5-(((2,2-dimethylpropanoyl)amino)methyl)phenyl)hydrazinecarboxylateHCID 90019804—
Reactant4-(5-Isopropyl-1,3,4-oxadiazol-2-yl)benzoyl isocyanateHCID 90027531—
SolventDichloromethaneHCID 6344—
ProductN-(4-Chloro-3-(4,5-dihydro-3-(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)phenyl)-5-oxo-1,2,4-triazol-1-yl)benzyl)pivalamideHCID 13649256743.3%

Reaction Steps

The title compound was prepared according to the procedure described in Example-83 by using 4-(5-isopropyl-1,3,4-oxadiazol-2-yl)benzoyl isocyanate (Intermediate-104, 0.196 g, 0.84 mmol), tert-butyl 2-(2-chloro-5-{[(2,2-dimethylpropanoyl)amino]methyl}phenyl)hydrazinecarboxylate (Intermediate-94, 0.150 g, 0.420 mmol), DCM (15 mL), and trifluoro acetic acid (3.0 mL) to afford 0.090 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 1.06 (s, 9H), 1.35 (s, 6H), 3.25 (m, 1H), 4.27 (d, J=5.4 Hz, 2H), 7.34 (d, J=8.1 Hz, 1H), 7.44 (s, 1H), 7.59 (d, J=8.4 Hz, 1H), 8.01-8.04 (m, 2H), 8.10-8.17 (m, 3H), 12.73 (s, 1H); MS (m/z): 495.39 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09096545B2
Source datasetuspto-grants-2015_08
ORD IDord-89aa6cb2bb204f2584cfb6dc40c18716
Source noteuspto-grants-2015_08