File:Synthesis of Axially Chiral Cationic Benzo-c-phenanthridinium Derivatives (MédiHAL 3856925).jpg

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Synthesis_of_Axially_Chiral_Cationic_Benzo-c-phenanthridinium_Derivatives_(MédiHAL_3856925).jpg (455 × 101 pixels, file size: 5 KB, MIME type: image/jpeg)

Captions

Captions

Cationic polycyclic aromatic compounds containing one or more nitrogen atom(s), also known as azonia polycyclic aromatic compounds, form a valuable class of molecules because of their fluorescent and/or medicinal properties.

Summary

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Description
English: Cationic polycyclic aromatic compounds containing one or more nitrogen atom(s), also known as azonia polycyclic aromatic compounds, form a valuable class of molecules because of their fluorescent and/or medicinal properties. N-Arylated hydroisoquinoline derivatives were synthesized through an aryne aza-Diels–Alder cycloaddition/N-arylation sequence. A subsequent two-electron oxidation allowed the synthesis of some axially chiral cationic benzo[c]phenanthridinium derivatives. The structural and optical properties of some of these molecules were determined. Their chirality was evidenced experimentally by single-crystal X-ray diffraction and 1H NMR spectroscopy, and their conformational behavior was examined by computational DFT methods.
Date Taken on 2 November 2022
Source Synthesis of Axially Chiral Cationic Benzo[cphenanthridinium Derivatives]
Author

Brian Castro Agudelo, Florian Rigoulet, Michel Giorgi, Babak Sayah, Jean Rodriguez, Yoann Coquerel

Yoann Coquerel   wikidata:Q57562582
 
Description researcher
Authority file
creator QS:P170,Q57562582
institution QS:P195,Q30295259
institution QS:P195,Q2302586
institution QS:P195,Q3152386
institution QS:P195,Q280413
Keywords
InfoField
Azadienes; DFT; Rotamers; Axial chirality; Fluorescence; Crystallography; Arynes; Azonia compounds

Licensing

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Public domain
This work is in the public domain in France for one of the following reasons:
  • Its author (or the last of its authors in the case of a collaboration work) died more than 70 years ago (CPI art. L123-1) and did not benefit from any copyright extension (CPI art. L123-8, L123-9 and L123-10)[1];
  • It is an anonymous or pseudonymous work (the identity of the author has never been disclosed) or a collective work[2] and more than 70 years have passed since its publication (CPI art. L123-3);
  • It is the recording of an audiovisual or musical work already in the public domain, and more than 50 years have passed since the performance or the recording (CPI art. L211-4).
Please note that moral rights still apply when the work is in the public domain. They encompass, among others, the right to the respect of the author's name, quality and work (CPI art. L121-1). Attribution therefore remains mandatory.
  1. ↑ Copyright extensions must be considered only in the case of musical works and of authors Mort pour la France (died during conflict, in the service of France). In other cases, they are included in the 70 years post mortem auctoris length (see this statement of the Cour de Cassation).
  2. ↑ The collective work status is quite restrictive, please make sure that it is actually established.

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