{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Nees S"],"funding":["Deutsche Forschungsgemeinschaft","Klaus Tschira Stiftung","Alexander von Humboldt-Stiftung","Coordenação de Aperfeiçoamento de Pessoal de Nível Superior","Boehringer Ingelheim Stiftung"],"pagination":["24318-24325"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8596407"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["60(45)"],"pubmed_abstract":["Using the Al<sup>I</sup> precursor Cp<sup>3t</sup> Al in conjunction with triphosphiranes (PAr)<sub>3</sub> (Ar=Mes, Dip, Tip) we have succeeded in preparing Lewis base-free cyclic diphosphadialanes with both the Al and P atoms bearing three substituents. Using the sterically more demanding Dip and Tip substituents the first 1,2-diphospha-3,4-dialuminacyclobutanes were obtained, whereas with Mes substituents [Cp<sup>3t</sup> Al(μ-PMes)]<sub>2</sub> is formed. This divergent reactivity was corroborated by DFT studies, which indicated the thermodynamic preference for the 1,2-diphospha-3,4-dialuminacyclobutane form for sterically more demanding groups on phosphorus. Using Cp*Al we could extend this concept to the corresponding cyclic diarsadialanes [Cp*Al(μ-AsAr)]<sub>2</sub> (Ar=Dip, Tip) an"],"journal":["Angewandte Chemie (International ed. in English)"],"pubmed_title":["Cyclo-Dipnictadialanes."],"pmcid":["PMC8596407"],"funding_grant_id":["Exploration Grant","Klaus Tschira Boost Fund"],"pubmed_authors":["Nees S","Goettel JT","Braunschweig H","Fantuzzi F","Hering-Junghans C","Fischer M","Harterich M","Wellnitz T","Hofmann A","Siewert JE"],"additional_accession":[]},"is_claimable":false,"name":"Cyclo-Dipnictadialanes.","description":"Using the Al<sup>I</sup> precursor Cp<sup>3t</sup> Al in conjunction with triphosphiranes (PAr)<sub>3</sub> (Ar=Mes, Dip, Tip) we have succeeded in preparing Lewis base-free cyclic diphosphadialanes with both the Al and P atoms bearing three substituents. Using the sterically more demanding Dip and Tip substituents the first 1,2-diphospha-3,4-dialuminacyclobutanes were obtained, whereas with Mes substituents [Cp<sup>3t</sup> Al(μ-PMes)]<sub>2</sub> is formed. This divergent reactivity was corroborated by DFT studies, which indicated the thermodynamic preference for the 1,2-diphospha-3,4-dialuminacyclobutane form for sterically more demanding groups on phosphorus. Using Cp*Al we could extend this concept to the corresponding cyclic diarsadialanes [Cp*Al(μ-AsAr)]<sub>2</sub> (Ar=Dip, Tip) an","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Nov","modification":"2026-07-16T16:57:18.325Z","creation":"2022-02-11T13:05:35.058Z"},"accession":"S-EPMC8596407","cross_references":{"pubmed":["34478231"],"doi":["10.1002/anie.202111121"]}}