Synthesis and Properties of Thienoisoquinolines and Benzothienoisoquinolines

Synthesis and Properties of Thienoisoquinolines and Benzothienoisoquinolines

A variety of thieno[3,2‐f]isoquinolines were prepared by combination of Pd catalysed cross‐coupling reactions with Brønsted acid mediated cycloisomerisations. The reactions tolerate various functional groups and proceed with high selectivity. In addition, benzothieno[3,2‐f]isoquinolines were prepare...

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Veröffentlicht in:European journal of organic chemistry 2022-02, Vol.2022 (8)
Hauptverfasser: Marian Blanco Ponce, Mangione, Maria Ines, Robinson Hermosilla Espinosa, Eugenio Torres Rodríguez, Ehlers, Peter, Langer, Peter
Format: Artikel
Sprache:eng
Schlagworte:
Charge transfer
Chemical reactions
Cross coupling
Emission analysis
Functional groups
Optical properties
Selectivity
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Zusammenfassung:A variety of thieno[3,2‐f]isoquinolines were prepared by combination of Pd catalysed cross‐coupling reactions with Brønsted acid mediated cycloisomerisations. The reactions tolerate various functional groups and proceed with high selectivity. In addition, benzothieno[3,2‐f]isoquinolines were prepared which represent a new heterocyclic core structure. The optical properties of selected compounds were studied by experimental and theoretical methods. Emission solvatochromism, characteristic of intramolecular charge transfer was observed for one of the compounds with a push‐pull structure.
ISSN:1434-193X
1099-0690
DOI:10.1002/ejoc.202101306