{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T19:20:38Z","timestamp":1773256838562,"version":"3.50.1"},"reference-count":48,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2017,1,25]],"date-time":"2017-01-25T00:00:00Z","timestamp":1485302400000},"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":["Chemistry A European J"],"published-print":{"date-parts":[[2017,2,21]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A comparison of P<jats:sub>4<\/jats:sub> activations mediated by low\u2010valent \u03b2\u2010diketiminato (L) cobalt complexes is presented. The formal Co<jats:sup>0<\/jats:sup> source [K<jats:sub>2<\/jats:sub>(L<jats:sup>3<\/jats:sup>Co)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>1<\/jats:sup>,\u03b7<jats:sup>1<\/jats:sup>\u2010N<jats:sub>2<\/jats:sub>)] (<jats:bold>1<\/jats:bold>) reacts with P<jats:sub>4<\/jats:sub> to form a mixture of the monoanionic complexes [K(thf)<jats:sub>6<\/jats:sub>][(L<jats:sup>3<\/jats:sup>Co)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>4<\/jats:sup>,\u03b7<jats:sup>4<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub>)] (<jats:bold>2<\/jats:bold>) and [K(thf)<jats:sub>6<\/jats:sub>][(L<jats:sup>3<\/jats:sup>Co)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>3<\/jats:sup>,\u03b7<jats:sup>3<\/jats:sup>\u2010P<jats:sub>3<\/jats:sub>)] (<jats:bold>3<\/jats:bold>). The analogue Co<jats:sup>I<\/jats:sup> precursor [L<jats:sup>3<\/jats:sup>Co(tol)] (<jats:bold>4\u2009a<\/jats:bold>), however, selectively yields the corresponding neutral derivative [(L<jats:sup>3<\/jats:sup>Co)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>4<\/jats:sup>,\u03b7<jats:sup>4<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub>)] (<jats:bold>5\u2009a<\/jats:bold>). Compound <jats:bold>5\u2009a<\/jats:bold> undergoes thermal P atom loss to form the unprecedented complex [(L<jats:sup>3<\/jats:sup>Co)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>3<\/jats:sup>,\u03b7<jats:sup>3<\/jats:sup>\u2010P<jats:sub>3<\/jats:sub>)] (<jats:bold>6<\/jats:bold>). The products <jats:bold>2<\/jats:bold> and <jats:bold>3<\/jats:bold> can be obtained selectively by an one\u2010electron reduction of their neutral precursors <jats:bold>5\u2009a<\/jats:bold> and <jats:bold>6<\/jats:bold>, respectively. The electrochemical behaviour of <jats:bold>2<\/jats:bold>, <jats:bold>3<\/jats:bold>, <jats:bold>5\u2009a<\/jats:bold>, and <jats:bold>6<\/jats:bold> is monitored by cyclic voltammetry and their magnetism is examined by SQUID measurements and the Evans method. The initial Co<jats:sup>I<\/jats:sup>\u2010mediated P<jats:sub>4<\/jats:sub> activation is not influenced by applying the structurally different ligands L<jats:sup>1<\/jats:sup> and L<jats:sup>2<\/jats:sup>, which is proven by the formation of the isostructural products [(LCo)<jats:sub>2<\/jats:sub>(\u03bc<jats:sub>2<\/jats:sub>:\u03b7<jats:sup>4<\/jats:sup>,\u03b7<jats:sup>4<\/jats:sup>\u2010P<jats:sub>4<\/jats:sub>)] [L=L<jats:sup>3<\/jats:sup> (<jats:bold>5\u2009a<\/jats:bold>), L<jats:sup>1<\/jats:sup> (<jats:bold>5\u2009b<\/jats:bold>), L<jats:sup>2<\/jats:sup> (<jats:bold>5\u2009c<\/jats:bold>)].<\/jats:p>","DOI":"10.1002\/chem.201605451","type":"journal-article","created":{"date-parts":[[2016,12,29]],"date-time":"2016-12-29T07:22:51Z","timestamp":1482996171000},"page":"2716-2721","source":"Crossref","is-referenced-by-count":48,"title":["Nacnac\u2010Cobalt\u2010Mediated P<sub>4<\/sub> Transformations"],"prefix":"10.1002","volume":"23","author":[{"given":"Fabian","family":"Spitzer","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian","family":"Gra\u00dfl","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"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":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric","family":"M\u00e4dl","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martin","family":"Keilwerth","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmacy, Inorganic Chemistry Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eva M.","family":"Zolnhofer","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmacy, Inorganic Chemistry Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karsten","family":"Meyer","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmacy, Inorganic Chemistry Friedrich-Alexander University Erlangen-N\u00fcrnberg (FAU)  Egerlandstrasse 1 91058 Erlangen 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":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg 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The identification of products2and3in the1H\u2005NMR spectra was enabled after their selective preparation."},{"key":"e_1_2_5_33_1","unstructured":"The dependency of torsion angle\u0398and Fe\u22c5\u22c5\u22c5Fe\u2032 distance was already recognized in citation [7]."},{"key":"e_1_2_5_34_1","unstructured":"Due to the disorder of thecyclo-P3moiety only the geometric parameters of the major component are discussed. Furthermore it has to be noted that the positions of the disordered P3 and P3A atoms are close to each other and hence the involved bond lengths might not be determined with high accuracy."},{"key":"e_1_2_5_35_1","doi-asserted-by":"publisher","DOI":"10.1080\/03086648708080631"},{"key":"e_1_2_5_36_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja102580d"},{"key":"e_1_2_5_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/jrs.1250110511"},{"key":"e_1_2_5_38_1","unstructured":"The crystal structures of6and5\u2009awere initially reported in reference [20]. However to present improved structural values crystals of6and5\u2009awere re-measured."},{"key":"e_1_2_5_39_1","unstructured":"C. Grassl PhD thesis University of Regensburg 2013."},{"key":"e_1_2_5_40_1","unstructured":"During the thermolysis a black pyrophoric precipitate is formed. The CHN analysis of the washed and dried precipitate suggests only some organic content (C%: \u224835 H%: \u22485 N%: \u22483). Exclusively compound6and L3H were detected in the1H\u2005NMR spectrum (reaction control) as the only soluble products formed during the thermolysis reaction."},{"key":"e_1_2_5_41_1","unstructured":"For initial investigations see reference [20]. 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