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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745725Generated: November 3, 2026

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

https://huagongshe.com/reaction/1745725

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{3-[3-(3-Cyano-thiophen-2-yl)-3-oxo-propionylamino]-4'-fluoro-biphenyl-4-yl}-carbamic acid tert.-butyl esterHCID 86588039—
SolventDichloromethaneHCID 6344—
Product2-[7-(4-Fluoro-phenyl)-4-oxo-4,5-dihydro-1H-benzo[b][1,4]diazepin-2-yl]-thiophene-3-carbonitrileHCID 22224571—

Reaction Steps

Prepared from {3-[3-(3-cyano-thiophen-2-yl)-3-oxo-propionylamino]-4′-fluoro-biphenyl-4-yl}-carbamic acid tert.-butyl ester (Example K54) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as an orange solid (209 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-767f632aaf374098bbc080fbdd0c6878
Source noteuspto-grants-2006_03