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@ARTICLE{Scholz:606717,
      author       = {Scholz, Alexander S. and Bolte, Michael and Virovets,
                      Alexandr and Peresypkina, Eugenia and Lerner, Hans-Wolfram
                      and Anstöter, Cate S. and Wagner, Matthias},
      title        = {{T}etramerization of {BEB}-{D}oped {P}henalenyls to
                      {O}btain ({BE})$_8$-[16]{A}nnulenes ({E} = {N}, {O})},
      journal      = {Journal of the American Chemical Society},
      volume       = {146},
      number       = {17},
      issn         = {0002-7863},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {PUBDB-2024-01634},
      pages        = {12100-12112},
      year         = {2024},
      note         = {Waiting for fulltext},
      abstract     = {Two (BE)8-[16] annulenes were prepared and fully
                      characterized by experimental and quantum-chemical means
                      (1,E =N;2, E=O). The 1,8-naphthalenediyl-bridged
                      diborane(6)3 served as their common starting material, which
                      was treated with [Al(NH$_3$)$_6$]Cl$_3$ to form 1
                      (91\%yield) or with 1,8-naphthalenediboronic acid anhydride
                      to form 2 (93\%yield). As a result, the heteroannulenes 1
                      and 2 are supported by four aromatic “clamps” and may
                      also be viewed as NH-or O-bridged cyclic tetramers of BNB-or
                      BOB-doped phenalenyls. X-ray crystallography on mono-, di-,
                      and tetra adducts 2*thf, 2*py$_2$, and 2*py$_4$ showed that
                      2 is an oligotopic Lewis acid (thf/py:
                      tetrahydrofuran/pyridine donor). The applicability of 2 also
                      as a Lewis basic ligand in coordination chemistry was
                      demonstrated by the synthesis of the mononuclear Ag$^+$
                      complex [Ag(py)$_2$(2*py$_4$)]$^+$ and the dinuclear
                      Pb$^{2+}$ complex 6. During the assembly of 6, the
                      rearrangement of 2 led to the formation of two
                      (BO)$_9$-macrocycles linked by two BOB-phenalenyls to form a
                      nanom$eter-sized cage with four negatively charged,
                      tetracoordinated B atoms. Both 1 and 2 show several redox
                      waves in the cathodic regions of the cyclicvoltammograms. An
                      in depth assessment of the consequences of electron
                      injection on the aromaticity of 1 and 2was achieved by
                      electronic structure calculations. 1 and 2 are proposed to
                      exhibit aromatic switching capabilities in the [16]annulene
                      motif.},
      cin          = {DOOR ; HAS-User},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20220822
                      (I-20220822)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20220822},
      experiment   = {EXP:(DE-H253)P-P24-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:38635878},
      UT           = {WOS:001242302500001},
      doi          = {10.1021/jacs.4c02163},
      url          = {https://bib-pubdb1.desy.de/record/606717},
}