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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745703Generated: October 27, 2026

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

https://huagongshe.com/reaction/1745703

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{4-(4-Fluoro-phenylethynyl)-2-[3-(3-imidazol-1-yl-phenyl)-3-oxo-propionylamino]-phenyl}-carbamic acid tert.-butyl esterHCID 86588020—
SolventDichloromethaneHCID 6344—
Product8-(4-Fluoro-phenylethynyl)-4-(3-imidazol-1-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 9888376—

Reaction Steps

Prepared from {4-(4-fluoro-phenylethynyl)-2-[3-(3-imidazol-1-yl-phenyl)-3-oxo-propionylamino]-phenyl}-carbamic acid tert.-butyl ester (Example K33) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a beige solid (89 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-dcedc2a3553c43b8a8ab78043c51b8ee
Source noteuspto-grants-2006_03