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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498541Generated: October 27, 2026

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

https://huagongshe.com/reaction/498541

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant[2-[3-Oxo-3-(3-pyridin-2-yl-phenyl)-propionylamino]-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl esterHCID 86589257—
SolventDichloromethaneHCID 6344—
Product4-(3-Pyridin-2-yl-phenyl)-7-(2,2,2-trifluoro-ethoxy)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317398—

Reaction Steps

The title compound was prepared from [2-[3-oxo-3-(3-pyridin-2-yl-phenyl)-propionylamino]-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl ester (Example M40) (165 mg, 0.36 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as an off-white solid (81 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-57a05431a8b548a8b97cce10b66e6432
Source noteuspto-grants-2005_09