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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498601Generated: October 30, 2026

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

https://huagongshe.com/reaction/498601

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{4-Chloro-2-[3-oxo-3-(3-pyridin-2-yl-phenyl)-propionylamino]-5-trifluoromethyl-phenyl}-carbamic acid tert-butyl esterHCID 86589297—
SolventDichloromethaneHCID 6344—
Product8-Chloro-4-(3-pyridin-2-yl-phenyl)-7-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317342—

Reaction Steps

The title compound was prepared from {4-chloro-2-[3-oxo-3-(3-pyridin-2-yl-phenyl)-propionylamino]-5-trifluoromethyl-phenyl}-carbamic acid tert-butyl ester (Example M98) (0.27 g, 0.51 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light brown solid (120 mg, 57%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-c6d993e43c994ad1b32a37253d3b2caf
Source noteuspto-grants-2005_09