{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["62(5)"],"submitter":["Menduti L"],"pubmed_abstract":["Helicenes combine two central themes in chemistry: extended π-conjugation and chirality. Hetero-atom doping preserves both characteristics and allows modulation of the electronic structure of a helicene. Herein, we report the (BO)<sub>2</sub> -doped tetrathia[7]helicene 1, which was prepared from 2-methoxy-3,3'-bithiophene in four steps. 1 is formally derived by substituting two (Mes)B-O moieties in place of (H)C=C(H) fragments in two benzene rings of the parent tetrathia[7]helicene. X-ray crystallography revealed a dihedral angle of 50.26(9)° between the two terminal thiophene rings. The (P)-/(M)-1 enantiomers were separated by chiral HPLC and are configurationally stable at room temperature. The experimentally determined enantiomerization barrier of 27.4±0.1 kcal mol<sup>-1</sup> is lowe"],"journal":["Angewandte Chemie (International ed. in English)"],"pagination":["e202215468"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10107351"],"repository":["biostudies-literature"],"pubmed_title":["(BO)<sub>2</sub> -Doped Tetrathia[7]helicene: A Configurationally Stable Blue Emitter."],"pmcid":["PMC10107351"],"pubmed_authors":["Manetto S","Bolte M","Baldoli C","Villani C","Licandro E","Wagner M","Longhi G","Lerner HW","Menduti L"],"additional_accession":[]},"is_claimable":false,"name":"(BO)<sub>2</sub> -Doped Tetrathia[7]helicene: A Configurationally Stable Blue Emitter.","description":"Helicenes combine two central themes in chemistry: extended π-conjugation and chirality. Hetero-atom doping preserves both characteristics and allows modulation of the electronic structure of a helicene. Herein, we report the (BO)<sub>2</sub> -doped tetrathia[7]helicene 1, which was prepared from 2-methoxy-3,3'-bithiophene in four steps. 1 is formally derived by substituting two (Mes)B-O moieties in place of (H)C=C(H) fragments in two benzene rings of the parent tetrathia[7]helicene. X-ray crystallography revealed a dihedral angle of 50.26(9)° between the two terminal thiophene rings. The (P)-/(M)-1 enantiomers were separated by chiral HPLC and are configurationally stable at room temperature. The experimentally determined enantiomerization barrier of 27.4±0.1 kcal mol<sup>-1</sup> is lowe","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-07-10T03:08:21.003Z","creation":"2025-04-06T11:21:00.432Z"},"accession":"S-EPMC10107351","cross_references":{"pubmed":["36409523"],"doi":["10.1002/anie.202215468"]}}