{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T00:40:15Z","timestamp":1760316015080,"version":"build-2065373602"},"reference-count":77,"publisher":"Wiley","issue":"34","license":[{"start":{"date-parts":[[2023,5,2]],"date-time":"2023-05-02T00:00:00Z","timestamp":1682985600000},"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":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2023,6,19]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The functionalization of the polypnictogen ligand complexes [Cp\u2032\u2032<jats:sub>2<\/jats:sub>Zr(\u03b7<jats:sup>1:1<\/jats:sup>\u2010E<jats:sub>4<\/jats:sub>)] (E=P (<jats:bold>1<\/jats:bold>\u2009<jats:bold>a<\/jats:bold>), As (<jats:bold>1<\/jats:bold>\u2009<jats:bold>b<\/jats:bold>); Cp\u2032\u2032=1,3\u2010di\u2010tertbutyl\u2010cyclopentadienyl) is focused to modify the features of the polypnictogen unit to explore new synthetic pathways for further transformations. The reaction behavior of <jats:bold>1<\/jats:bold> towards main group nucleophiles is investigated. The reaction of <jats:bold>1<\/jats:bold>\u2009<jats:bold>a<\/jats:bold> with <jats:sup>t<\/jats:sup>BuLi leads to the ionic product Li[Cp\u2032\u2032<jats:sub>2<\/jats:sub>Zr(\u03b7<jats:sup>1:1<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub><jats:sup>t<\/jats:sup>Bu)] (<jats:bold>2<\/jats:bold>) where an organic group is attached to a bridgehead phosphorus atom of the butterfly unit. Further reactions of <jats:bold>2<\/jats:bold> with quenching electrophilic reagents enable the introduction of other substituents. Moreover, a condensation of <jats:bold>2<\/jats:bold> to [(Cp\u2032\u2032<jats:sub>2<\/jats:sub>Zr)<jats:sub>2<\/jats:sub>(\u03bc,\u03b7<jats:sup>1:1:1:1<\/jats:sup>\u2010P<jats:sub>8<\/jats:sub><jats:sup>t<\/jats:sup>Bu<jats:sub>2<\/jats:sub>)] (<jats:bold>3<\/jats:bold>), containing a novel P<jats:sub>8<\/jats:sub>\u2010unit, has been observed. The reaction of <jats:bold>1<\/jats:bold> with LiNMe<jats:sub>2<\/jats:sub> and LiCH<jats:sub>2<\/jats:sub>SiMe<jats:sub>3<\/jats:sub> leads to a partial fragmentation of the E<jats:sub>4<\/jats:sub> unit and the compounds [Cp\u2032\u2032<jats:sub>2<\/jats:sub>Zr(\u03b7<jats:sup>2<\/jats:sup>\u2010E<jats:sub>3<\/jats:sub>Nu)] (Nu=NMe<jats:sub>2<\/jats:sub>: E=P (<jats:bold>6<\/jats:bold>\u2009<jats:bold>a<\/jats:bold>), As (<jats:bold>6<\/jats:bold>\u2009<jats:bold>b<\/jats:bold>); Nu=CH<jats:sub>2<\/jats:sub>SiMe<jats:sub>3<\/jats:sub>: E=P (<jats:bold>7<\/jats:bold>\u2009<jats:bold>a<\/jats:bold>), As (<jats:bold>7<\/jats:bold>\u2009<jats:bold>b<\/jats:bold>)) are formed.<\/jats:p>","DOI":"10.1002\/chem.202301016","type":"journal-article","created":{"date-parts":[[2023,5,2]],"date-time":"2023-05-02T11:22:36Z","timestamp":1683026556000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Reactivity of [Cp\u2032\u2032<sub>2<\/sub>Zr(\u03b7<sup>1:1<\/sup>\u2212E<sub>4<\/sub>)] (E=P, As) towards Nucleophiles"],"prefix":"10.1002","volume":"29","author":[{"given":"Veronika","family":"Heinl","sequence":"first","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93053 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Seidl","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93053 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00e1bor","family":"Bal\u00e1zs","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93053 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2182-5020","authenticated-orcid":false,"given":"Manfred","family":"Scheer","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93053 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,5,2]]},"reference":[{"key":"e_1_2_8_1_1","unstructured":"D.\u2005E.\u2005C. 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