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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498584Generated: October 26, 2026

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

https://huagongshe.com/reaction/498584

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{5-Dimethylamino-2-[3-oxo-3-(3-pyrazin-2-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl esterHCID 86589285—
SolventDichloromethaneHCID 6344—
Product7-Dimethylamino-4-(3-pyrazin-2-yl-phenyl)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317932—

Reaction Steps

The title compound was prepared from {5-dimethylamino-2-[3-oxo-3-(3-pyrazin-2-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl ester (Example M82) (0.36 g, 0.66 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (163 mg, 58%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-a0e3e9b936b4430994d2f353e2844695
Source noteuspto-grants-2005_09