{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Vicent DJ"],"funding":["European Research Council","Comunidad de Madrid","Agencia Estatal de Investigación","Junta de Andalucía","Generalitat Valenciana"],"pagination":["10112-10120"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10530488"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(37)"],"pubmed_abstract":["Despite their great potential as molecular building blocks for organic synthesis, tetrabromo-<i>p</i>-quinodimethanes (TBQs) are a relatively unknown family of compounds. Herein, we showcase a series of five derivatives incorporating two tetrabromo-anthraquinodimethane (TBAQ) units linked by π-conjugated spacers of different nature and length. The resulting dimers TBQ1-5 are fully characterised by means of thorough spectroscopic measurements and theoretical calculations. Interestingly, owing to the steric hindrance imposed by the four bulky bromine atoms, the TBAQ fragments adopt a characteristically warped geometry, somehow resemblant of a butterfly, and the novel dimers show a complex NMR pattern with signal splittings. To ascertain whether dynamic processes regarding fluxional inversion"],"journal":["Chemical science"],"pubmed_title":["Dimeric tetrabromo-<i>p</i>-quinodimethanes: synthesis and structural/electronic properties."],"pmcid":["PMC10530488"],"funding_grant_id":["MFA/2022/017","PID2021-127127NB-I00","TED2021-131255B-C44","PROYEXCEL-0328","PID2019-108532GB-I00","PROMETEO/2020/077","PID2021-128569NB-I00","PID2020-119748GA-I00","PRE2021-097082","PID2020-114653RB-I00","951224","Y2018/NMT-4783"],"pubmed_authors":["Urgel JI","Ecija D","Calbo J","Vicent DJ","Orti E","Martin N","Perez-Escribano M","Barragan A","Santos J","Cardenas-Valdivia A","Casado J"],"additional_accession":[]},"is_claimable":false,"name":"Dimeric tetrabromo-<i>p</i>-quinodimethanes: synthesis and structural/electronic properties.","description":"Despite their great potential as molecular building blocks for organic synthesis, tetrabromo-<i>p</i>-quinodimethanes (TBQs) are a relatively unknown family of compounds. Herein, we showcase a series of five derivatives incorporating two tetrabromo-anthraquinodimethane (TBAQ) units linked by π-conjugated spacers of different nature and length. The resulting dimers TBQ1-5 are fully characterised by means of thorough spectroscopic measurements and theoretical calculations. Interestingly, owing to the steric hindrance imposed by the four bulky bromine atoms, the TBAQ fragments adopt a characteristically warped geometry, somehow resemblant of a butterfly, and the novel dimers show a complex NMR pattern with signal splittings. To ascertain whether dynamic processes regarding fluxional inversion","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Sep","modification":"2026-05-29T02:05:27.408Z","creation":"2025-02-19T04:07:00.074Z"},"accession":"S-EPMC10530488","cross_references":{"pubmed":["37772123"],"doi":["10.1039/d3sc01615c"]}}