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Of the various advancements in \u03c0-facial selectivity in addition reactions of carbonyl compounds, the (polar) Felkin-Anh model and the chelation model are well recognized for accurately explaining the selectivity of the allylic products. For reactions that involve\n                    <jats:italic>\u03b1<\/jats:italic>\n                    -oxy carbonyl groups - known for their broad applications in natural-product synthesis and as effective building blocks in organic synthesis - the stereoselective reaction typically follows the chelation model, favoring\n                    <jats:italic>syn<\/jats:italic>\n                    -selective addition. In contrast to the well-established\n                    <jats:italic>syn<\/jats:italic>\n                    -selective additions of\n                    <jats:italic>\u03b1<\/jats:italic>\n                    -oxy carbonyls,\n                    <jats:italic>anti<\/jats:italic>\n                    -selective additions through a non-chelation pathway remain largely unexplored. In this study, we present the\n                    <jats:italic>anti<\/jats:italic>\n                    -selective allylation of\n                    <jats:italic>\u03b1<\/jats:italic>\n                    -oxy ketones using allylatranes that feature a highly coordinated group-14-element center. These atranes demonstrate high nucleophilicity and low chelating ability due to their transannular interactions and rigid framework, facilitating\n                    <jats:italic>anti<\/jats:italic>\n                    -selective allylations. A combined experimental and theoretical approach has been used to highlight the unique electronic properties of these atranes. This method is applicable to a wide variety of substrates, producing\n                    <jats:italic>anti<\/jats:italic>\n                    -1,2-diols with a homoallylic moiety in high yield and excellent diastereoselectivity compared to traditional methods.\n                  <\/jats:p>","DOI":"10.1038\/s41467-026-69732-2","type":"journal-article","created":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T10:06:59Z","timestamp":1772532419000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Non-chelation control in allylations of \u03b1-oxy ketones using group-14\u00a0allylatranes"],"prefix":"10.1038","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9220-4857","authenticated-orcid":false,"given":"Yuya","family":"Tsutsui","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-8448-8139","authenticated-orcid":false,"given":"Kokoro","family":"Shiga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3438-786X","authenticated-orcid":false,"given":"Akihito","family":"Konishi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6618-2893","authenticated-orcid":false,"given":"Makoto","family":"Yasuda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,3,3]]},"reference":[{"key":"69732_CR1","unstructured":"Corey, E. 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