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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498590Generated: November 1, 2026

Trifluoroacetic acid → 8-Chloro-7-isobutylamino-4-(3-pyrimidin-5-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-one

https://huagongshe.com/reaction/498590

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant{4-Chloro-5-isobutylamino-2-[3-oxo-3-(3-pyrimidin-5-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert-butyl esterHCID 86589289—
SolventDichloromethaneHCID 6344—
Product8-Chloro-7-isobutylamino-4-(3-pyrimidin-5-yl-phenyl)-1,3-dihydro-benzo[b][1,4]diazepin-2-oneHCID 22317399—

Reaction Steps

The title compound was prepared from {4-chloro-5-isobutylamino-2-[3-oxo-3-(3-pyrimidin-5-yl-phenyl)-propionylamino]-phenyl}-carbamic acid tert-butyl ester (Example M88) (0.28 g, 0.52 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as a yellow solid (200 mg, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-28119557f2a544f68e5e228238fa8245
Source noteuspto-grants-2005_09