Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498713Generated: October 29, 2026

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

https://huagongshe.com/reaction/498713

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2-{3-[3-(2-Ethyl-pyridin-3-yl)-phenyl]-3-oxo-propionylamino}-5-methyl-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl esterHCID 86589398—
SolventDichloromethaneHCID 6344—
Product4-[3-(2-Ethyl-pyridin-3-yl)-phenyl]-7-methyl-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317698—

Reaction Steps

The title compound was prepared from (2-{3-[3-(2-ethyl-pyridin-3-yl)-phenyl]-3-oxo-propionylamino}-5-methyl-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M214) (312 mg, 0.58 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a white solid (190 mg, 77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-6139b4facdfb4fd8ab43efa3a312b780
Source noteuspto-grants-2005_09