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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1635384Generated: October 27, 2026

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

https://huagongshe.com/reaction/1635384

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-4-yl)phenylcarbamateHCID 59737204—
SolventDichloromethaneHCID 6344—
Product3-(4-Oxo-7-pyridin-4-yl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)-benzonitrileHCID 22224914—

Reaction Steps

Prepared from (2-amino-4-pyridin-4-yl-phenyl)-carbamic acid tert.-butyl ester (Example G28) 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 red-brown solid (25 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06509328B1
Source datasetuspto-grants-2003_01
ORD IDord-b2d545796ace44809ded482c728d08c6
Source noteuspto-grants-2003_01