Access to benzo-fused aza[7]helicene <i>via</i> unexpected indolization of alkyne-amine
Guanxing Zhu, Gang Zhang
Abstract
An efficient base-mediated indolization of alkyne-amine for the synthesis of quinolone-fused indole was developed and further applied to synthesize di- and triaza[7]helicenes bearing two and three pentagons, respectively.
Topics & Concepts
ChemistryHeliceneAlkyneAmine gas treatingOrganic chemistryMoleculeCatalysisSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence ChemistryDNA and Nucleic Acid Chemistry