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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265762Generated: October 31, 2026

Trifluoroacetic acid → 8-Chloro-7-dimethylamino-4-[3-(2-methyl-2H-pyrazol-3-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/1265762

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Chloro-5-dimethylamino-2-{3-[3-(2-methyl-2H-pyrazol-3-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert.-butyl esterHCID 86586813—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-dimethylamino-4-[3-(2-methyl-2H-pyrazol-3-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 18613221—

Reaction Steps

The title compound was prepared from (4-chloro-5-dimethylamino-2-{3-[3-(2-methyl-2H-pyrazol-3-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert.-butyl ester (Example M16) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as an off-white solid (67 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-903ac9ffc0a14a53b66fe415be7c861b
Source noteuspto-grants-2003_04