{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T01:17:12Z","timestamp":1789780632680,"version":"4.0.1"},"reference-count":76,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,1,12]],"date-time":"2017-01-12T00:00:00Z","timestamp":1484179200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A synthetic approach to the sandwich complex [Cp\u2032\u2032\u2032Co(\u03b7<jats:sup>4<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub>)] (<jats:bold>2<\/jats:bold>) containing a cyclo\u2010P<jats:sub>4<\/jats:sub> ligand as an end\u2010deck was developed. Complex <jats:bold>2<\/jats:bold> is the missing homologue in the series of first\u2010row cyclo\u2010P<jats:sub>n<\/jats:sub> sandwich complexes, and shows a unique tendency to dimerize in solution to form two isomeric P<jats:sub>8<\/jats:sub> complexes [(Cp\u2032\u2032\u2032Co)<jats:sub>2<\/jats:sub>(\u03bc,\u03b7<jats:sup>4<\/jats:sup>:\u03b7<jats:sup>2<\/jats:sup>:\u03b7<jats:sup>1<\/jats:sup>\u2010P<jats:sub>8<\/jats:sub>)] (<jats:bold>3<\/jats:bold> and <jats:bold>4<\/jats:bold>). Reactivity studies indicate that <jats:bold>2<\/jats:bold> and <jats:bold>3<\/jats:bold> react with further [Cp\u2032\u2032\u2032Co] fragments to give [(Cp\u2032\u2032\u2032Co)<jats:sub>2<\/jats:sub>(\u03bc,\u03b7<jats:sup>2<\/jats:sup>:\u03b7<jats:sup>2<\/jats:sup>\u2010P<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>] (<jats:bold>5<\/jats:bold>) and [(Cp\u2032\u2032\u2032Co)<jats:sub>3<\/jats:sub>P<jats:sub>8<\/jats:sub>] (<jats:bold>6<\/jats:bold>), respectively. Furthermore, complexes <jats:bold>2<\/jats:bold>, <jats:bold>3<\/jats:bold>, and <jats:bold>4<\/jats:bold> thermally decompose forming <jats:bold>5<\/jats:bold>, <jats:bold>6<\/jats:bold>, and the P<jats:sub>12<\/jats:sub> complex [(Cp\u2032\u2032\u2032Co)<jats:sub>3<\/jats:sub>P<jats:sub>12<\/jats:sub>] (<jats:bold>7<\/jats:bold>). DFT calculations on the P<jats:sub>4<\/jats:sub> activation process suggest a \u03b7<jats:sup>3<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub> Co complex as the key intermediate in the synthesis of <jats:bold>2<\/jats:bold> as well as in the formation of larger polyphosphorus complexes via a unique oligomerization pathway.<\/jats:p>","DOI":"10.1002\/anie.201610967","type":"journal-article","created":{"date-parts":[[2017,1,12]],"date-time":"2017-01-12T14:47:05Z","timestamp":1484232425000},"page":"1671-1675","source":"Crossref","is-referenced-by-count":70,"title":["The Cobalt <i>cyclo<\/i>\u2010P<sub>4<\/sub> Sandwich Complex and Its Role in the Formation of Polyphosphorus Compounds"],"prefix":"10.1002","volume":"56","author":[{"given":"Fabian","family":"Dielmann","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexey","family":"Timoshkin","sequence":"additional","affiliation":[{"name":"Institute of Chemistry St. Petersburg State University  Universitetskaya nab. 7\/9 199034 St. Petersburg Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Piesch","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00e1bor","family":"Bal\u00e1zs","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2182-5020","authenticated-orcid":false,"given":"Manfred","family":"Scheer","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,1,12]]},"reference":[{"key":"e_1_2_2_1_1","unstructured":"\u00a0"},{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr9003709"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr900349u"},{"key":"e_1_2_2_4_1","unstructured":"\u00a0"},{"key":"e_1_2_2_5_2","volume-title":"Organometallics","author":"Elschenbroich C.","year":"2006"},{"key":"e_1_2_2_6_2","volume-title":"Metallocenes: An Introduction to Sandwich Complexes","author":"Long N. 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