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This molecular structure is characterized by a mesoionic C\n                    <jats:sub>2<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    Si five\u2010membered ring, notable for its delocalized \u03c0 electrons, intrinsic charge\u2010separated zwitterionic properties, and a distinctly nucleophilic silicon center, culminating in 6\u03c0 aromaticity. This compound manifests either mesoionic silylene or silylone characteristics upon coordination with transition metals. Demonstrating extraordinary versatility, this compound engages in diverse reactions such as coordination with iron or iridium, oxidation by S\n                    <jats:sub>8<\/jats:sub>\n                    , intramolecular ring saturation under the coordination influence of iridium, silicon atom transfer facilitated by Ph\n                    <jats:sub>2<\/jats:sub>\n                    Se\n                    <jats:sub>2<\/jats:sub>\n                    , ring contraction induced by Ph\n                    <jats:sub>2<\/jats:sub>\n                    Te\n                    <jats:sub>2<\/jats:sub>\n                    , and skeletal rearrangement triggered by Et\n                    <jats:sub>3<\/jats:sub>\n                    N\u2022HCl. These reactions culminate in the formation of a variety of unprecedented silicon\u2010based heterocycles, which are typically formidable to achieve using conventional methods. This study unveils previously unexplored facets of low\u2010valent 1,4,2\u2010diazasilole, positioning it as a promising foundational building block for future innovations in unique silicon compounds.\n                  <\/jats:p>","DOI":"10.1002\/anie.202415246","type":"journal-article","created":{"date-parts":[[2024,10,31]],"date-time":"2024-10-31T04:04:11Z","timestamp":1730347451000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["A Crystalline Mesoionic Diazasilole Featuring Low\u2010Valent Silicon"],"prefix":"10.1002","volume":"64","author":[{"given":"Xiaofang","family":"Lan","sequence":"first","affiliation":[{"name":"Department of Chemistry and Research Center for Chemical Biology and Omics Analysis College of Science Southern University of Science and Technology  Shenzhen 518055 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