{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T07:55:49Z","timestamp":1753862149209,"version":"3.41.2"},"reference-count":26,"publisher":"Wiley","issue":"36","license":[{"start":{"date-parts":[[2023,7,28]],"date-time":"2023-07-28T00:00:00Z","timestamp":1690502400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["Sche 384\/38-3"],"award-info":[{"award-number":["Sche 384\/38-3"]}],"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"],"published-print":{"date-parts":[[2023,9,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>By the reaction of [Cp*Fe(\u03b7<jats:sup>5<\/jats:sup>\u2010As<jats:sub>5<\/jats:sub>)] (<jats:bold>I<\/jats:bold>) (Cp*<\/jats:italic>=<jats:italic>C<jats:sub>5<\/jats:sub>Me<jats:sub>5<\/jats:sub>) with main group nucleophiles, unique functionalized products with \u03b7<jats:sup>4<\/jats:sup>\u2010coordinated<\/jats:italic> polyarsenide <jats:italic>(As<jats:sub>n<\/jats:sub>) units (n<\/jats:italic>=<jats:italic>5, 6, 20) are obtained. With carbon\u2010based nucleophiles such as MeLi or KBn (Bn<\/jats:italic>=<jats:italic>CH<jats:sub>2<\/jats:sub>Ph), the anionic organo\u2010substituted<\/jats:italic> polyarsenide <jats:italic>complexes, [Li(2.2.2\u2010cryptand)][Cp*Fe(\u03b7<jats:sup>4<\/jats:sup>\u2010As<jats:sub>5<\/jats:sub>Me)] (<jats:bold>1\u2009a<\/jats:bold>) and [K(2.2.2\u2010cryptand)][Cp*Fe{\u03b7<jats:sup>4<\/jats:sup>\u2010As<jats:sub>5<\/jats:sub>(CH<jats:sub>2<\/jats:sub>Ph)}] (<jats:bold>1\u2009b<\/jats:bold>), are accessible. The use of KAsPh<jats:sub>2<\/jats:sub> leads to a selective and controlled extension of the As<jats:sub>5<\/jats:sub> unit and the formation of the monoanionic compound [K(2.2.2\u2010cryptand][Cp*Fe(\u03b7<jats:sup>4<\/jats:sup>\u2010As<jats:sub>6<\/jats:sub>Ph<jats:sub>2<\/jats:sub>)] (<jats:bold>2<\/jats:bold>). When <jats:bold>I<\/jats:bold> is reacted with [M]As(SiMe<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub> (M=Li\u2009\u22c5\u2009THF; K), the formation of the largest known anionic<\/jats:italic> polyarsenide <jats:italic>unit in [M\u2032(2.2.2\u2010cryptand)]<jats:sub>2<\/jats:sub>[(Cp*Fe)<jats:sub>4<\/jats:sub>{\u03bc<jats:sub>5<\/jats:sub>\u2010\u03b7<jats:sup>4<\/jats:sup>:\u03b7<jats:sup>4<\/jats:sup>:\u03b7<jats:sup>3<\/jats:sup>:\u03b7<jats:sup>3<\/jats:sup>:\u03b7<jats:sup>1<\/jats:sup>:\u03b7<jats:sup>1<\/jats:sup>\u2010As<jats:sub>20<\/jats:sub>}] (<jats:bold>3<\/jats:bold>) occurred (M\u2032<\/jats:italic>=<jats:italic>Li (<jats:bold>3\u2009a<\/jats:bold>), K (<jats:bold>3\u2009b<\/jats:bold>))<\/jats:italic>.<\/jats:p>","DOI":"10.1002\/anie.202307696","type":"journal-article","created":{"date-parts":[[2023,7,5]],"date-time":"2023-07-05T12:13:35Z","timestamp":1688559215000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Nucleophilic Attack at Pentaarsaferrocene [Cp*Fe(\u03b7<sup>5<\/sup>\u2010As<sub>5<\/sub>)]\u2014The Way to Larger Polyarsenide Ligands"],"prefix":"10.1002","volume":"62","author":[{"given":"Stephan","family":"Reichl","sequence":"first","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christoph","family":"Riesinger","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93040 Regensburg 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