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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498721Generated: October 27, 2026

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

https://huagongshe.com/reaction/498721

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(5-(2-Methoxy-ethoxy)-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl esterHCID 86589406—
SolventDichloromethaneHCID 6344—
Product7-(2-Methoxy-ethoxy)-4-[3-(2-methyl-pyridin-4-yl)-phenyl]-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22318013—

Reaction Steps

The title compound was prepared from (5-(2-methoxy-ethoxy)-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M222) (340 mg, 0.58 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light brown solid (196 mg, 72%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-4e508706af314e36ac0b298494adb254
Source noteuspto-grants-2005_09