Thionation-enhanced through-space electronic coupling and excited-state dynamics in helicene diimides.

Analia D'Orazio-Colman, Amalnadh T, Sona Saji, Mahesh Hariharan, Prince Ravat

Abstract read

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Article in Chemical communications (Cambridge, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Analia D'Orazio-ColmanJulius-Maximilians-Universität Würzburg, Institut für Organische Chemie, Am Hubland, D-97074 Würzburg, Germany.

Amalnadh TSchool of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Thiruvananthapuram 695551, Kerala, India.ORCID http://orcid.org/0009-0005-0045-3493

Sona SajiSchool of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Thiruvananthapuram 695551, Kerala, India.ORCID http://orcid.org/0009-0002-3846-0574

Mahesh HariharanSchool of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Thiruvananthapuram 695551, Kerala, India.ORCID http://orcid.org/0000-0002-3237-6235

Prince RavatDepartment of Chemistry and Biochemistry, Institute of Organic Chemistry, University of Cologne, 50939 Cologne, Germany. pravat@uni-koeln.de.ORCID http://orcid.org/0000-0002-7553-9188

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Thionation provides a simple heteroatom substitution strategy to enhance through-space electronic coupling in helically constrained π-systems. A thionated [8]helicene diimide shows pronounced LUMO stabilization and nearly doubled electronic coupling between the spatially aligned imide units. Spectroscopic and computational studies reveal enhanced charge delocalization and altered excited-state dynamics.

Identifiers

PMID42093476

DOI10.1039/d6cc01559j

PMCPMC13147499

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