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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265889Generated: October 31, 2026

Trifluoroacetic acid → 8-Chloro-7-isopropylamino-4-[3-(3-methyl-isoxazol-5-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/1265889

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Chloro-5-isopropylamino-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl esterHCID 86586895—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-isopropylamino-4-[3-(3-methyl-isoxazol-5-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 10179662—

Reaction Steps

The title compound was prepared from (4-chloro-5-isopropylamino-2-{3-[3-(3-methyl-isoxazol-5-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl ester (Example M112) (0.16 g, 0.31 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a pale brown solid (120 mg, 93%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-510dc46d896d462eaa881d3dde4aa48d
Source noteuspto-grants-2003_04