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These bridges were synthesized via a key decarboxylative coupling approach utilizing thiophene\u2010 or furan\u2010based carboxylic acid derivatives and their corresponding bromo\u2010 or carbaldehyde analogs. This synthetic route enabled efficient coupling and reoxidation, facilitating the introduction of up to three consecutive heterocyclic units without a significant loss in yield. A comparative analysis of their optoelectronic properties demonstrates that both the nature and the sequence of the heterocyclic units within the \u03c0\u2010conjugated bridge play a decisive role in governing the electronic structure and overall performance of the resulting materials.<\/jats:p>","DOI":"10.1002\/chem.71724","type":"journal-article","created":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T03:10:57Z","timestamp":1790565057000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Structure\u2013Property Relationships in Donor\u2013Acceptor Systems With Thiophene\/Furan \u03c0\u2010Bridges Built by Iterative Oxidation\u2013Decarboxylative Coupling"],"prefix":"10.1002","author":[{"given":"Thanh Thao","family":"Huynh","sequence":"first","affiliation":[{"name":"MOLTECH\u2010Anjou, SFR MATRIX Univ Angers, CNRS  Angers France"},{"name":"IMMM CNRS UMR 6283 Le Mans Universit\u00e9  Le Mans 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