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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498568Generated: October 30, 2026

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

https://huagongshe.com/reaction/498568

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4-Chloro-5-methyl-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl esterHCID 86589274—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-methyl-4-[3-(2-methyl-pyridin-4-yl)-phenyl]-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 11280312—

Reaction Steps

The title compound was prepared from (4-chloro-5-methyl-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-phenyl)-carbamic acid tert-butyl ester (Example M66) (0.46 g, 0.93 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a light brown solid (270 mg, 77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-1bf04dd0b33444cbbea627e5fb6be804
Source noteuspto-grants-2005_09