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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265795Generated: October 30, 2026

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

https://huagongshe.com/reaction/1265795

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{4-Chloro-5-dimethylamino-2-[3-oxo-3-(3-pyrazol-1-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert.-butyl esterHCID 86586838—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-dimethylamino-4-(3-pyrazol-1-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 18613166—

Reaction Steps

The title compound was prepared from {4-chloro-5-dimethylamino-2-[3-oxo-3-(3-pyrazol-1-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert.-butyl ester (Example M46) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a yellow solid (75 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-b22303b8d6a24b829c08564c1329bde0
Source noteuspto-grants-2003_04