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Reactions of a Four‐Membered Borete with Carbon, Silicon, and Gallium Donor Ligands: Fused and Spiro‐Type Boracycles

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dc.abstract.enDonor-acceptor cyclopropanes or cyclobutanes are dipolar reagents, which are widely used in the synthesis of complex organic (hetero)cycles in ring expansion reactions. Applying this concept to boron containing heterocycles, the four-membered borete cyclo-iPr2N-BC10H6 reacted with the carbon donor ligands 2,6-xylylisonitrile and the carbene IMes :C(NMesCH)2 with ring expansion and ring fusion, respectively. In particular, the tetracyclic structure formed with IMes displays zwitterionic character and absorption in the visible region. In contrast to the carbene IMes, the heavier carbenoids :Si(NDippCH)2 and :Ga(AmIm) with a two-coordinate donor atom afford spiro-type bicyclic compounds, which display four-coordinate geometry at silicon or gallium. (TD-)DFT calculations provide deeper insight into the mechanism of formation and the absorption properties of these new compounds.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorTrzaskowski, Bartosz
dc.contributor.authorFrank, René
dc.contributor.authorWullschläger, Daniela
dc.contributor.authorDolati, Hadi
dc.contributor.authorDenker, Lars
dc.contributor.authorGüven, Zeynep
dc.date.accessioned2024-01-25T18:47:01Z
dc.date.available2024-01-25T18:47:01Z
dc.date.issued2022
dc.description.financePublikacja bezkosztowa
dc.description.number32
dc.description.volume28
dc.identifier.doi10.1002/CHEM.202200673
dc.identifier.issn0947-6539
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/117899
dc.identifier.weblinkhttps://onlinelibrary.wiley.com/doi/pdf/10.1002/chem.202200673
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofChemistry - A European Journal
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleReactions of a Four‐Membered Borete with Carbon, Silicon, and Gallium Donor Ligands: Fused and Spiro‐Type Boracycles
dc.typeJournalArticle
dspace.entity.typePublication