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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498618Generated: October 27, 2026

Trifluoroacetic acid → 8-Chloro-4-[3-(2,6-dimethyl-pyridin-4-yl)-phenyl]-7-trifluoromethyl-1,3-dihydro benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/498618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Chloro-2-{3-[3-(2,6-dimethyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-5-trifluoromethyl-phenyl)-carbamic acid tert-butyl esterHCID 86589306—
SolventDichloromethaneHCID 6344—
Product8-Chloro-4-[3-(2,6-dimethyl-pyridin-4-yl)-phenyl]-7-trifluoromethyl-1,3-dihydro benzo[b][1,4]diazepin-2-oneHCID 22317579—

Reaction Steps

The title compound was prepared from (4-chloro-2-{3-[3-(2,6-dimethyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-5-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M113) (0.32 g, 0.57 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (170 mg, 67%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-f263181b1ac24b089c014a72706e2231
Source noteuspto-grants-2005_09