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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745760Generated: November 3, 2026

Trifluoroacetic acid → 3-[7-(2,4-Difluoro-phenyl)-4-oxo-4,5-dihydro-3h-benzo [b][1,4]diazepin-2-yl]-benzonitrile

https://huagongshe.com/reaction/1745760

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{3-[3-(3-Cyano-phenyl)-3-oxo-propionylamino]-2',4'-difluoro-biphenyl-4-yl}-carbamic acid tert.-butyl esterHCID 86588070—
SolventDichloromethaneHCID 6344—
Product3-[7-(2,4-Difluoro-phenyl)-4-oxo-4,5-dihydro-3h-benzo [b][1,4]diazepin-2-yl]-benzonitrileHCID 22224655—

Reaction Steps

Prepared from {3-[3-(3-cyano-phenyl)-3-oxo-propionylamino]-2′,4′-difluoro-biphenyl-4-yl}-carbamic acid tert.-butyl ester (Example K85) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a light yellow solid (37 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-80444fe64f2d4bedb2a631f192ed98ab
Source noteuspto-grants-2006_03