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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745691Generated: November 1, 2026

Trifluoroacetic acid → 3-(4-Oxo-7-pyridin-3-yl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)-benzonitrile

https://huagongshe.com/reaction/1745691

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant3-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrileHCID 11736337—
ReactantTert-butyl 2-amino-4-(pyridin-3-yl)phenylcarbamateHCID 67289423—
SolventDichloromethaneHCID 6344—
Product3-(4-Oxo-7-pyridin-3-yl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)-benzonitrileHCID 22224768—

Reaction Steps

Prepared from (2-amino-4-pyridin-3-yl-phenyl)-carbamic acid tert.-butyl ester (Example G26) and 3-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrile (Example J4) according to the general procedure K. The obtained material was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a beige powder (161 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018998B2
Source datasetuspto-grants-2006_03
ORD IDord-3f786ea6eb074f7eac7aca6a95f98c8e
Source noteuspto-grants-2006_03