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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 336377Generated: October 30, 2026

Triethylamine → 4-(2-(3,5-bis-(4-Fluoro-phenyl)-(1,2,4)triazol-1-yl)-acetyl)-piperazine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/336377

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant(3,5-bis-(4-Fluoro-phenyl)-(1,2,4)triazol-1-yl)-acetyl chlorideHCID 86686520—
SolventDichloromethaneHCID 6344—
Product4-(2-(3,5-bis-(4-Fluoro-phenyl)-(1,2,4)triazol-1-yl)-acetyl)-piperazine-1-carboxylic acid tert-butyl esterHCID 8668652266.9%

Reaction Steps

1.8 g piperazine-1-carboxylic acid tert-butyl ester was added to 3.2 g (3,5-Bis-(4-fluoro-phenyl)-(1,2,4)triazol-1-yl)-acetyl chloride and 1 g triethylamine in 50 mL dichlormethane. The reaction was stirred 1 day at RT, evaporated and purified by chromatography on silica gel (petrolether/diethylether:1/1) to yield 3.1 g of the desired compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889677B2
Source datasetuspto-grants-2014_11
ORD IDord-a868eac91f60404a8b525ed26e2e041a
Source noteuspto-grants-2014_11