{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T10:00:31Z","timestamp":1790848831969,"version":"4.1.0"},"reference-count":40,"publisher":"Wiley","issue":"37","license":[{"start":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T00:00:00Z","timestamp":1782345600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T00:00:00Z","timestamp":1782345600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["772510"],"award-info":[{"award-number":["772510"]}],"id":[{"id":"10.13039\/501100000781","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":[[2026,10,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The bicyclic silicon ring compound Si\n                    <jats:sub>4<\/jats:sub>\n                    {N(SiMe\n                    <jats:sub>3<\/jats:sub>\n                    )Mes}\n                    <jats:sub>4<\/jats:sub>\n                    (Mes\u00a0=\u00a02,4,6\u2010trimethylphenyl), a heavier analogue of cyclobutadiene, was reacted with ammonia, water, and selected alcohols. This resulted in E\u2500H (E = N, O) bond activation, yielding saturated Si\n                    <jats:sub>4<\/jats:sub>\n                    rings with \u2500NH\n                    <jats:sub>2<\/jats:sub>\n                    \/\u2500H or \u2500OH\/\u2500H functionalities in the case of ammonia or water, respectively. With methanol, a mixture of a saturated Si\n                    <jats:sub>4<\/jats:sub>\n                    ring compound with \u2500OMe\/\u2500H functionalities and an eight\u2010vertex methoxy\u2010functionalized siliconoid cluster was obtained; an ethoxy\u2010functionalized analogue was obtained from the reaction with ethanol. In contrast, the reaction between Si\n                    <jats:sub>4<\/jats:sub>\n                    {N(SiMe\n                    <jats:sub>3<\/jats:sub>\n                    )Mes}\n                    <jats:sub>4<\/jats:sub>\n                    and phenol gave a simple 1,3\u2010addition product with only a trace of side products. The observed reactivity was rationalized with the help of mechanistic calculations performed using density functional theory.\n                  <\/jats:p>","DOI":"10.1002\/chem.71315","type":"journal-article","created":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T04:16:18Z","timestamp":1782447378000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["N\u2500H or O\u2500H Bond Activation With a Bicyclic Si\n                    <sub>4<\/sub>\n                    Ring Compound"],"prefix":"10.1002","volume":"32","author":[{"given":"Michael","family":"Quest","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster Fachbereich Chemie und Pharmazie  M\u00fcnster Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Florian","family":"Schreiner","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster Fachbereich Chemie und Pharmazie  M\u00fcnster Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Hepp","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster Fachbereich Chemie und Pharmazie  M\u00fcnster Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Constantin G.","family":"Daniliuc","sequence":"additional","affiliation":[{"name":"Organisch\u2010Chemisches Institut Universit\u00e4t M\u00fcnster Fachbereich Chemie und Pharmazie  M\u00fcnster Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kasperi M.","family":"Salonen","sequence":"additional","affiliation":[{"name":"Department of Chemistry NanoScience Centre University of Jyv\u00e4skyl\u00e4  Jyv\u00e4skyl\u00e4 Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janne","family":"K\u00f6rkk\u00f6","sequence":"additional","affiliation":[{"name":"Department of Chemistry NanoScience Centre University of Jyv\u00e4skyl\u00e4  Jyv\u00e4skyl\u00e4 Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4820-979X","authenticated-orcid":false,"given":"Heikki M.","family":"Tuononen","sequence":"additional","affiliation":[{"name":"Department of Chemistry NanoScience Centre University of Jyv\u00e4skyl\u00e4  Jyv\u00e4skyl\u00e4 Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3718-845X","authenticated-orcid":false,"given":"Felicitas","family":"Lips","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster Fachbereich Chemie und Pharmazie  M\u00fcnster 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