Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745757Generated: October 26, 2026

Trifluoroacetic acid → 8-(4-Fluoro-phenylethynyl)-4-(3-[1,2,3]triazol-1-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/1745757

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{4-(4-Fluoro-phenylethynyl)-2-[3-oxo-3-(3-[1,2,3]triazol-1-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert.-butyl esterHCID 86588067—
SolventDichloromethaneHCID 6344—
Product8-(4-Fluoro-phenylethynyl)-4-(3-[1,2,3]triazol-1-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22224854—

Reaction Steps

Prepared from {4-(4-fluoro-phenylethynyl)-2-[3-oxo-3-(3-[1,2,3]triazol-1-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert.-butyl ester (Example K82) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a light yellow solid (53 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-54da919280484b70a13092c2e9905ba7
Source noteuspto-grants-2006_03