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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498846Generated: October 31, 2026

Trifluoroacetic acid → 4-[3-(2-Pyrrolidin-1-yl-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/498846

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant[2-{3-Oxo-3-[3-(2-pyrrolidin-1-yl-pyridin-4-yl)-phenyl]-propionylamino}-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl esterHCID 86589462—
SolventDichloromethaneHCID 6344—
Product4-[3-(2-Pyrrolidin-1-yl-pyridin-4-yl)-phenyl]-7-(2,2,2-trifluoro-ethoxy)-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317442—

Reaction Steps

The title compound was prepared from [2-{3-oxo-3-[3-(2-pyrrolidin-1-yl-pyridin-4-yl)-phenyl]-propionylamino}-5-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-carbamic acid tert-butyl ester (Example M293) (376 mg, 0.61 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a yellow solid (111 mg, 33%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-71f31c1f4dd34cdb906afb981f9076af
Source noteuspto-grants-2005_09