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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745720Generated: October 27, 2026

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

https://huagongshe.com/reaction/1745720

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-(4-Fluoro-phenylethynyl)-2-{3-[3-(4-methyl-imidazol-1-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert.-butyl esterHCID 86588035—
SolventDichloromethaneHCID 6344—
Product8-(4-Fluoro-phenylethynyl)-4-[3-(4-methyl-imidazol-1-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22224761—

Reaction Steps

Prepared from (4-(4-fluoro-phenylethynyl)-2-{3-[3-(4-methyl-imidazol-1-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert.-butyl ester (Example K49) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a light yellow solid (122 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-a5589ddd5c44461ebb5b6ed4b6de8418
Source noteuspto-grants-2006_03