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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498668Generated: October 30, 2026

Trifluoroacetic acid → 8-Chloro-4-[3-(6-ethyl-pyridin-3-yl)-phenyl]-7-methyl-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/498668

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Chloro-2-{3-[3-(6-ethyl-pyridin-3-yl)-phenyl]-3-oxo-propionylamino}-5-methyl-phenyl)-carbamic acid tert-butyl esterHCID 86589355—
SolventDichloromethaneHCID 6344—
Product8-Chloro-4-[3-(6-ethyl-pyridin-3-yl)-phenyl]-7-methyl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317358—

Reaction Steps

The title compound was prepared from (4-chloro-2-{3-[3-(6-ethyl-pyridin-3-yl)-phenyl]-3-oxo-propionylamino}-5-methyl-phenyl)-carbamic acid tert-butyl ester (Example M171) (290 mg, 0.57 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light yellow solid (145 mg, 65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-1f67ec86055341f9acab06f2be6c3d44
Source noteuspto-grants-2005_09