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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498573Generated: October 30, 2026

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

https://huagongshe.com/reaction/498573

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(5-Dimethylamino-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl esterHCID 86589278—
SolventDichloromethaneHCID 6344—
Product7-Dimethylamino-4-[3-(2-methyl-pyridin-4-yl)-phenyl]-8-trifluoromethyl-1,3-dihydro benzo[b][1,4]diazepin-2-oneHCID 9867767—

Reaction Steps

The title compound was prepared from (5-dimethylamino-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M71) (0.45 g, 0.81 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (205 mg, 58%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-422c73dc7b174b2180bb8c621e6919d5
Source noteuspto-grants-2005_09