{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T04:51:17Z","timestamp":1768625477584,"version":"3.49.0"},"reference-count":32,"publisher":"Wiley","issue":"21","license":[{"start":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T00:00:00Z","timestamp":1696982400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aces.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry \u0097 An Asian Journal"],"published-print":{"date-parts":[[2023,11,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The reaction between the Grignard reagent formed from Mg and 2\u2010bromobenzylmethyl ether and SnCl<jats:sub>4<\/jats:sub> produced four products: [2\u2010(MeOCH<jats:sub>2<\/jats:sub>)C<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>]<jats:sub>3<\/jats:sub>SnBr (<jats:bold>1<\/jats:bold>), [2\u2010(MeOCH<jats:sub>2<\/jats:sub>)C<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>]<jats:sub>2<\/jats:sub>SnX<jats:sub>2<\/jats:sub> (<jats:bold>2<\/jats:bold>, X<jats:sub>2<\/jats:sub>=Br<jats:sub>2<\/jats:sub> (<jats:bold>a<\/jats:bold>) and BrCl (<jats:bold>b<\/jats:bold>)), [{2\u2010(MeOCH<jats:sub>2<\/jats:sub>)C<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>}<jats:sub>3<\/jats:sub>Sn]<jats:sub>2<\/jats:sub> (<jats:bold>3<\/jats:bold>), and [{2\u2010(MeOCH<jats:sub>2<\/jats:sub>)C<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>}<jats:sub>2<\/jats:sub>SnBr]<jats:sub>2<\/jats:sub>O (<jats:bold>4<\/jats:bold>). In the case of <jats:bold>1<\/jats:bold>, two of the three dangling arm O atoms coordinate to the central tin atom with O\u2212Sn internuclear distances of 2.53 (O1) and 2.91 (O2) \u00c5, the shorter interaction being trans to the Br atom, the other trans to a phenyl carbon atom. In the case of <jats:bold>2a<\/jats:bold> the resulting hexacoordinate structure exhibits two very short O\u2212Sn interactions of 2.42 and 2.50\u2005\u00c5, well below the sum of the VdW radii of O and Sn, 3.69\u2005\u00c5. The sterically crowded ditin compound <jats:bold>3<\/jats:bold> was obtained in trace amounts and the structure demonstrates no dangling O\u2212Sn interactions. General changes in structure compared to other distannane systems are reflective of the great steric crowding. Distannoxane <jats:bold>4<\/jats:bold>, has a Sn\u2212O\u2212Sn bond angle of 148.1(2)\u00b0 which is larger compared to other distannoxane structures. The intermolecular interactions between Sn\u2212O 2.470(3) and 2.521(3)\u00c5 and 2.665(3) and 2.629(3)\u00c5 for Sn1 and Sn2 respectively are responsible for a distorted octahedral geometry around the two tin atoms. The various <jats:sup>119<\/jats:sup>Sn<jats:sub>,<\/jats:sub> <jats:sup>13<\/jats:sup>C and <jats:sup>1<\/jats:sup>H NMR spectra are in accord with their structural analysis for <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold>, and in the solid state <jats:sup>13<\/jats:sup>C NMR spectrum of <jats:bold>1<\/jats:bold> the dangling methylene group is observable whereas is solution there is a rapid dynamic equilibrium resulting in a single resonance for all methylene groups.<\/jats:p>","DOI":"10.1002\/asia.202300767","type":"journal-article","created":{"date-parts":[[2023,9,22]],"date-time":"2023-09-22T13:54:16Z","timestamp":1695390856000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Hypercoordination by Multiple Dangling Benzylmethoxy Ligands in Highly Crowded Triaryltin Bromide [(2\u2010MeOCH<sub>2<\/sub>C<sub>6<\/sub>H<sub>4<\/sub>)]<sub>3<\/sub>SnBr and Diaryltin Mixed Halides [(2\u2010MeOCH<sub>2<\/sub>C<sub>6<\/sub>H<sub>4<\/sub>)]<sub>2<\/sub>SnBrCl, and a related Distannane and Distannoxane"],"prefix":"10.1002","volume":"18","author":[{"given":"Henk S.","family":"van den Bogaard","sequence":"first","affiliation":[{"name":"Department of Chemistry and Biochemistry The University of Texas at El Paso  El Paso TX 79968 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-1629-048X","authenticated-orcid":false,"given":"Hemant K.","family":"Sharma","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biochemistry The University of Texas at El Paso  El Paso TX 79968 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alejandro","family":"Mettta\u2010Maga\u00f1a","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biochemistry The University of Texas at El Paso  El Paso TX 79968 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keith H.","family":"Pannell","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biochemistry The University of Texas at El Paso  El Paso TX 79968 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,10,11]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2015.10.009"},{"key":"e_1_2_9_2_1","volume-title":"Chemistry of Hypervalent compounds","author":"Akiba K.-Y.","year":"1999"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-328X(00)85497-2"},{"key":"e_1_2_9_4_1","unstructured":"R.\u2005A. 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