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Yet, their role in modulating the reactivity of organozinc compounds toward O\n                    <jats:sub>2<\/jats:sub>\n                    has not been systematically addressed. Herein, we demonstrate that the presence of free ZnR\n                    <jats:sub>2<\/jats:sub>\n                    species in the initial reaction mixture of alkylzinc derivatives\u2014arising from Schlenk equilibrium\u2010mediated ligand scrambling\u2014can markedly alter the course of their oxygenation. Specifically, we show that the oxygenation of a [Et\n                    <jats:sub>2<\/jats:sub>\n                    Zn\n                    <jats:sub>3<\/jats:sub>\n                    (\n                    <jats:italic>dipf<\/jats:italic>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ]\/ZnEt\n                    <jats:sub>2<\/jats:sub>\n                    mixture (\n                    <jats:italic>dipf<\/jats:italic>\n                    \u2010H = N,N\u2019\u2010diphenylformamidine) proceeds predominantly via the more reactive ZnEt\n                    <jats:sub>2<\/jats:sub>\n                    component. The resulting [EtZn(OEt)]\n                    <jats:sub>4<\/jats:sub>\n                    species subsequently transfer ethoxide groups to\n                    <jats:italic>dipf<\/jats:italic>\n                    \u2010containing coordination entities, ultimately affording a novel zinc alkoxido\u2010amidinato octanuclear macrocycle [(EtO)Zn(\n                    <jats:italic>dipf<\/jats:italic>\n                    )]\n                    <jats:sub>8<\/jats:sub>\n                    . In contrast, the oxygenation of the pristine complex [Et\n                    <jats:sub>2<\/jats:sub>\n                    Zn\n                    <jats:sub>3<\/jats:sub>\n                    (\n                    <jats:italic>dipf<\/jats:italic>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ] leads primarily to the formation of the zinc\u2010oxido cluster [(\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>4<\/jats:sub>\n                    \u2010O)Zn\n                    <jats:sub>4<\/jats:sub>\n                    (\n                    <jats:italic>dipf<\/jats:italic>\n                    )\n                    <jats:sub>6<\/jats:sub>\n                    ]. The progress of oxygenation in a series of model reaction systems was monitored using\n                    <jats:sup>1<\/jats:sup>\n                    H NMR spectroscopy. The results provide deeper insight into the fundamental processes occurring during the oxygenation of alkylzinc compounds and reveal previously unrecognized consequences of Schlenk equilibria for the reactivity of organometallic systems.\n                  <\/jats:p>","DOI":"10.1002\/chem.71129","type":"journal-article","created":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T21:20:41Z","timestamp":1778880041000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Unmasking the Role of Schlenk Equilibria in Governing the Oxygenation of Heteroleptic Alkylzinc Complexes"],"prefix":"10.1002","volume":"32","author":[{"given":"Micha\u0142","family":"Terlecki","sequence":"first","affiliation":[{"name":"Faculty of Chemistry, Warsaw University of Technology  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karolina","family":"Zelga","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry, Warsaw University of Technology  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iwona","family":"Justyniak","sequence":"additional","affiliation":[{"name":"Institute of Physical Chemistry, Polish Academy of Sciences  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Piotr","family":"Bernatowicz","sequence":"additional","affiliation":[{"name":"Institute of Physical Chemistry, Polish Academy of Sciences  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomasz","family":"Pietrzak","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry, Warsaw University of Technology  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Micha\u0142 K.","family":"Leszczy\u0144ski","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry, Warsaw University of Technology  Warsaw Poland"},{"name":"Institute of Physical Chemistry, Polish Academy of Sciences  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