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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498619Generated: October 26, 2026

Trifluoroacetic acid → 7-Methyl-4-[3-(6-methyl-pyrazin-2-yl)-phenyl]-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/498619

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(5-Methyl-2-{3-[3-(6-methyl-pyrazin-2-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl esterHCID 86589310—
SolventDichloromethaneHCID 6344—
Product7-Methyl-4-[3-(6-methyl-pyrazin-2-yl)-phenyl]-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317843—

Reaction Steps

The title compound was prepared from (5-methyl-2-{3-[3-(6-methyl-pyrazin-2-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M117) (0.46 g, 0.85 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as an off-white solid (280 mg, 80%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-fb954d83d5ef44cbb93d0f75bfcc9fe4
Source noteuspto-grants-2005_09