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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1635455Generated: October 25, 2026

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

https://huagongshe.com/reaction/1635455

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{2',3'-Difluoro-3-[3-oxo-3-(3-[1,2,3]triazol-1-yl-phenyl)-propionylamino]-biphenyl-4-yl}-carbamic acid tert.-butyl esterHCID 86588079—
SolventDichloromethaneHCID 6344—
Product8-(2,3-Difluoro-phenyl)-4-(3-[1,2,3]triazol-1-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 990976781%

Reaction Steps

Prepared from {2′,3′-difluoro-3-[3-oxo-3-(3-[1,2,3]triazol-1-yl-phenyl)-propionylamino]-biphenyl-4-yl}-carbamic acid tert.-butyl ester (Example K95) (118 mg, 0.22 mmol) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a yellow solid (74 mg). mp 230° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06509328B1
Source datasetuspto-grants-2003_01
ORD IDord-d6fbd03ed02147c0816eb62142864fe9
Source noteuspto-grants-2003_01