{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T09:50:08Z","timestamp":1791625808651,"version":"4.3.4"},"reference-count":43,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T00:00:00Z","timestamp":1791590400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T00:00:00Z","timestamp":1791590400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HA 3218\/12\u20101"],"award-info":[{"award-number":["HA 3218\/12\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Reduction of [(BDI)SrI]\n                    <jats:sub>2<\/jats:sub>\n                    with KC\n                    <jats:sub>8<\/jats:sub>\n                    generated in situ a (BDI)Sr\n                    <jats:sup>I<\/jats:sup>\n                    species which enabled the reduction of Ph\n                    <jats:sub>3<\/jats:sub>\n                    B to the Ph\n                    <jats:sub>3<\/jats:sub>\n                    B\n                    <jats:sup>2\u2212<\/jats:sup>\n                    dianion (BDI\u00a0=\u00a0HC[(Me)C\u2550N\u2010DIPeP]\n                    <jats:sub>2<\/jats:sub>\n                    , DIPeP\u00a0=\u00a02,6\u2010(Et\n                    <jats:sub>2<\/jats:sub>\n                    CH)\n                    <jats:sub>2<\/jats:sub>\n                    \u2010phenyl). The product (BDI)Sr(BPh\n                    <jats:sub>3<\/jats:sub>\n                    )Sr(BDI) features a Ph\n                    <jats:sub>3<\/jats:sub>\n                    B\n                    <jats:sup>2\u2212<\/jats:sup>\n                    dianion that is bridging two Sr\n                    <jats:sup>2+<\/jats:sup>\n                    cations by interaction with one of the Ph rings. This polarizes a large part of the electron density in the bridging Ph ring (NPA charge: \u22121.53) whereas the B is slightly positive (+0.44). The HOMO of the complex mainly consists of the \u03c0*\u2010orbital in the bridging Ph ring overlapping with Sr\n                    <jats:italic>d<\/jats:italic>\n                    \u2010orbitals. However, there is also 18% contribution of the B\n                    <jats:italic>p<\/jats:italic>\n                    \u2010orbital. In solution, there is coalescence of\n                    <jats:sup>1<\/jats:sup>\n                    H NMR signals of all three Ph rings. Complex (BDI)Sr(BPh\n                    <jats:sub>3<\/jats:sub>\n                    )Sr(BDI) can react as a 2\n                    <jats:italic>e<\/jats:italic>\n                    transfer reagent or as a B\u2010nucleophile. It reacts with I\n                    <jats:sub>2<\/jats:sub>\n                    to Ph\n                    <jats:sub>3<\/jats:sub>\n                    B and [(BDI)SrI]\n                    <jats:sub>2<\/jats:sub>\n                    . Reaction with Ph\n                    <jats:sub>3<\/jats:sub>\n                    B led to formation of a Gomberg\u2010type dimer. The reaction with PhI is smooth and selectively gave (BDI)Sr(Ph\n                    <jats:sub>4<\/jats:sub>\n                    B) and [(BDI)SrI]\n                    <jats:sub>2<\/jats:sub>\n                    , likely through direct nucleophilic attack of an electron rich B atom at PhI. Isolation of a complex with the elusive Ph\n                    <jats:sub>3<\/jats:sub>\n                    B\n                    <jats:sup>2\u2212<\/jats:sup>\n                    dianion demonstrates the very high reducing power of in situ generated (BDI)Sr\n                    <jats:sup>I<\/jats:sup>\n                    species.\n                  <\/jats:p>","DOI":"10.1002\/anie.3220261","type":"journal-article","created":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T09:17:19Z","timestamp":1791623839000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Double Reduction of Ph\n                    <sub>3<\/sub>\n                    B to a Dianionic Borane With a Powerful Sr\n                    <sup>I<\/sup>\n                    Intermediate"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-1773-5647","authenticated-orcid":false,"given":"Michael","family":"Morasch","sequence":"first","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcel A.","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9768-125X","authenticated-orcid":false,"given":"Tanuja","family":"Tewari","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens","family":"Langer","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3997-1440","authenticated-orcid":false,"given":"Sjoerd","family":"Harder","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,10]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1039\/CT8813900213"},{"key":"e_1_2_8_3_1","volume-title":"Hydrides of Boron and Silicon","author":"Schwarz R.","year":"1934"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.196.4294.1047"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2025.217222"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/zaac.19352250306"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/zaac.19362280209"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja01584a047"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic00014a024"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja00105a083"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1246\/bcsj.81.1377"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201800031"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.8b00561"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.202000786"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022\u2010328X(00)93308\u20104"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200906884"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1038\/4641136a"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201004215"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1131914"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201914219"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201105848"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja00726a018"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja00855a015"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1002\/cber.19891221007"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/cber.19260590434"},{"issue":"45","key":"e_1_2_8_26_1","first-page":"1862","article-title":"BORON: ANNUAL SURVEY COVERING THE YEAR 1976 \u2010 PART II","volume":"45","author":"Terekhova M. 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