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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498665Generated: October 26, 2026

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

https://huagongshe.com/reaction/498665

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2-{3-[3-(2-Methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethoxy-phenyl)-carbamic acid tert-butyl esterHCID 86589352—
SolventDichloromethaneHCID 6344—
Product4-[3-(2-Methyl-pyridin-4-yl)-phenyl]-8-trifluoromethoxy-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 11292806—

Reaction Steps

The title compound was prepared from (2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethoxy-phenyl)-carbamic acid tert-butyl ester (Example M168) (236 mg, 0.45 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as an off-white solid (72 mg, 39%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-a272ff7c55534643b8a283b2c0507d76
Source noteuspto-grants-2005_09