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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498644Generated: October 29, 2026

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

https://huagongshe.com/reaction/498644

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{5-Ethoxy-2-[3-oxo-3-(3-pyridin-3-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert-butyl esterHCID 86589329—
SolventDichloromethaneHCID 6344—
Product7-Ethoxy-4-(3-pyridin-3-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317795—

Reaction Steps

The title compound was prepared from {5-ethoxy-2-[3-oxo-3-(3-pyridin-3-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert-butyl ester (Example M144) (170 mg, 0.36 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a brown solid (84 mg, 65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-bb166c96e9284e51afe00bfc4ce27512
Source noteuspto-grants-2005_09