{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:47:04Z","timestamp":1787237224630,"version":"build-2736575974"},"reference-count":60,"publisher":"Wiley","issue":"47","license":[{"start":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T00:00:00Z","timestamp":1564617600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["16K13963"],"award-info":[{"award-number":["16K13963"]}],"id":[{"id":"10.13039\/501100001691","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":[[2019,8,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    A tetrahedral Cu\n                    <jats:sup>II<\/jats:sup>\n                    alkylperoxido complex [Cu\n                    <jats:sup>II<\/jats:sup>\n                    (TMG\n                    <jats:sub>3<\/jats:sub>\n                    tach)(OOCm)]\n                    <jats:sup>+<\/jats:sup>\n                    (\n                    <jats:bold>\n                      1\n                      <jats:sup>OOCm<\/jats:sup>\n                    <\/jats:bold>\n                    ) (TMG\n                    <jats:sub>3<\/jats:sub>\n                    tach={2,2\u2032,2\u2032\u2032\u2010[(1s,3s,5s)\u2010cyclohexane\u20101,3,5\u2010triyl]tris\u2010(1,1,3,3\u2010tetramethyl guanidine)}, OOCm=cumyl peroxide) is prepared and characterized by UV\/Vis, cold\u2010spray ionization mass spectroscopy (CSI\u2010MS), resonance Raman, and EPR spectroscopic methods. Product analysis of the self\u2010decomposition reaction of\n                    <jats:bold>\n                      1\n                      <jats:sup>OOCm<\/jats:sup>\n                    <\/jats:bold>\n                    in acetonitrile (MeCN) indicates that the reaction involves O\u2212O bond homolytic cleavage of the peroxide moiety with concomitant C\u2212H bond activation of the solvent molecule. When an external substrate such as 1,4\u2010cyclohexadiene (CHD) is added, the O\u2212O bond homolysis leads to C\u2212H activation of the substrate. Furthermore, the reaction of\n                    <jats:bold>\n                      1\n                      <jats:sup>OOCm<\/jats:sup>\n                    <\/jats:bold>\n                    with 2,6\u2010di\u2010\n                    <jats:italic>tert<\/jats:italic>\n                    \u2010butylphenol derivatives produces the corresponding phenoxyl radical species (ArO\n                    <jats:sup>.<\/jats:sup>\n                    ) together with a Cu\n                    <jats:sup>I<\/jats:sup>\n                    complex through a concerted proton\u2010electron transfer (CPET) mechanism. Details of the reaction mechanisms are explored by DFT calculations.\n                  <\/jats:p>","DOI":"10.1002\/chem.201902669","type":"journal-article","created":{"date-parts":[[2019,6,14]],"date-time":"2019-06-14T11:04:14Z","timestamp":1560510254000},"page":"11157-11165","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Characterization and Reactivity of a Tetrahedral Copper(II) Alkylperoxido Complex"],"prefix":"10.1002","volume":"25","author":[{"given":"Ikuma","family":"Shimizu","sequence":"first","affiliation":[{"name":"Department of Material and Life Science, Division of, Advanced Science and Biotechnology Graduate School of Engineering Osaka University  2-1 Yamada-oka Suita, Osaka 565-0871 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