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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265841Generated: October 31, 2026

Trifluoroacetic acid → 8-Dimethylamino-2-[3-(3-methyl-isoxazol-5-yl)-phenyl]-4-oxo-4,5-dihydro-3H-benzo[b][1,4]diazepine-7-carbonitrile

https://huagongshe.com/reaction/1265841

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Cyano-5-dimethylamino-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl esterHCID 86586921—
SolventDichloromethaneHCID 6344—
Product8-Dimethylamino-2-[3-(3-methyl-isoxazol-5-yl)-phenyl]-4-oxo-4,5-dihydro-3H-benzo[b][1,4]diazepine-7-carbonitrileHCID 18613436—

Reaction Steps

The title compound was prepared from (4-cyano-5-dimethylamino-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl ester (Example M85) (0.31 g, 0.62 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (171 mg, 72%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-93fa54120bfe4d428b78535cb4e97cc0
Source noteuspto-grants-2003_04