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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498819Generated: October 26, 2026

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

https://huagongshe.com/reaction/498819

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant[2-{3-[3-(2-Cyclopropyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl esterHCID 86589448—
SolventDichloromethaneHCID 6344—
Product4-[3-(2-Cyclopropyl-pyridin-4-yl)-phenyl]-7-(2,2,2-trifluoro-ethoxy)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317378—

Reaction Steps

The title compound was prepared from [2-{3-[3-(2-cyclopropyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl ester (Example M269) (349 mg, 0.55 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (230 mg, 81%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-3a5794cbd202438db4a8e53f455f0440
Source noteuspto-grants-2005_09