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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1635449Generated: October 31, 2026

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

https://huagongshe.com/reaction/1635449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2',4'-Difluoro-3-{3-[3-(2-methyl-imidazol-1-yl)-phenyl]-3-oxo-propionylamino}-biphenyl-4-yl)-carbamic acid tert.-butyl esterHCID 86588074—
SolventDichloromethaneHCID 6344—
Product8-(2,4-Difluoro-phenyl)-4-[3-(2-methyl-imidazol-1-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22224659—

Reaction Steps

Prepared from (2′,4′-difluoro-3-{3-[3-(2-methyl-imidazol-1-yl)-phenyl]-3-oxo-propionylamino}-biphenyl-4-yl)-carbamic acid tert.-butyl ester (Example K89) by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a light brown solid (71 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06509328B1
Source datasetuspto-grants-2003_01
ORD IDord-57233d6025104935a2217e24ca4cb878
Source noteuspto-grants-2003_01