Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498684Generated: October 30, 2026

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

https://huagongshe.com/reaction/498684

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{2-[3-Oxo-3-(3-pyridazin-3-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl esterHCID 86589369—
SolventDichloromethaneHCID 6344—
Product4-(3-Pyridazin-3-yl-phenyl)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317494—

Reaction Steps

The title compound was prepared from {2-[3-oxo-3-(3-pyridazin-3-yl-phenyl)-propionylamino]-4-trifluoromethyl-phenyl}-carbamic acid tert-butyl ester (Example M185) (245 mg, 0.49 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a yellow solid (144 mg, 77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-fded79e777d742039cec9d327d76687f
Source noteuspto-grants-2005_09