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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1062166Generated: October 26, 2026

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

https://huagongshe.com/reaction/1062166

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{3-[3-(3-Cyano-phenyl)-3-oxo-propionylamino]-2',3'-difluoro-biphenyl-4-yl}-carbamic acid tert.-butyl esterHCID 86587997—
SolventDichloromethaneHCID 6344—
Product3-[7-(2,3-Difluoro-phenyl)-4-oxo-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl]-benzonitrileHCID 2222487088%

Reaction Steps

Prepared from {3-[3-(3-cyano-phenyl)-3-oxo-propionylamino]-2′,3′-difluoro-biphenyl-4-yl}-carbamic acid tert.-butyl ester (Example K8) (35 mg, 0.07 mmol) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a grey solid (23 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06960578B2
Source datasetuspto-grants-2005_11
ORD IDord-76f9549e536f4d6f98606a65baafddee
Source noteuspto-grants-2005_11