Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 543631Generated: October 31, 2026

[2-[(3-Amino-2-pyridinyl)amino]phenyl](3-thienyl)methanone → 6-(3-thienyl)11H-pyrido[2,3-b][1,4]benzodiazepine

https://huagongshe.com/reaction/543631

Reaction equation

Participants

RoleNameHCIDCharge
Reactant[2-[(3-Amino-2-pyridinyl)amino]phenyl](3-thienyl)methanoneHCID 20200359—
Catalystp-Toluenesulfonic acidHCID 6101—
Product6-(3-thienyl)11H-pyrido[2,3-b][1,4]benzodiazepineHCID 135626370—

Reaction Steps

Following the procedure of Example 20, [2-[(3-amino-2-pyridinyl)amino]phenyl](3-thienyl)methanone is heated with para toluene sulfonic acid catalyst in organic solvent while removing water in a Dean-Stark trap to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04447361
Source datasetuspto-grants-1984_05
ORD IDord-d8a5b4d996c6455eb442296ba2b489d9
Source noteuspto-grants-1984_05