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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498581Generated: October 26, 2026

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

https://huagongshe.com/reaction/498581

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{5-Methyl-2-[3-oxo-3-(3-pyrazin-2-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl esterHCID 86589284—
SolventDichloromethaneHCID 6344—
Product7-Methyl-4-(3-pyrazin-2-yl-phenyl)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317715—

Reaction Steps

The title compound was prepared from {5-methyl-2-[3-oxo-3-(3-pyrazin-2-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl ester (Example M80) (0.34 g, 0.66 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (211 mg, 81%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-ef351699260b4bd38e14f22376787c9e
Source noteuspto-grants-2005_09