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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265900Generated: November 1, 2026

Trifluoroacetic acid → 4-[8-(Isopropyl-methyl-amino)-4-oxo-7-trifluoromethyl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl]-pyridine-2-carbonitrile

https://huagongshe.com/reaction/1265900

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant[2-[3-(2-Cyano-pyridin-4-yl)-3-oxo-propionylamino]-5-(isopropyl-methyl-amino)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl esterHCID 86586925—
SolventDichloromethaneHCID 6344—
Product4-[8-(Isopropyl-methyl-amino)-4-oxo-7-trifluoromethyl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl]-pyridine-2-carbonitrileHCID 10135657—

Reaction Steps

The title compound was prepared from [2-[3-(2-cyano-pyridin-4-yl)-3-oxo-propionylamino]-5-(isopropyl-methyl-amino)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl ester (Example M120) (0.67 g, 1.29 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (210 mg, 41%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-1133bab1e89348e8ae1a9d6245b833dd
Source noteuspto-grants-2003_04