{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T05:27:19Z","timestamp":1790573239051,"version":"4.1.0"},"reference-count":59,"publisher":"Wiley","issue":"29","license":[{"start":{"date-parts":[[2018,4,30]],"date-time":"2018-04-30T00:00:00Z","timestamp":1525046400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/M027732\/1"],"award-info":[{"award-number":["EP\/M027732\/1"]}],"id":[{"id":"10.13039\/501100000266","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":[[2018,5,23]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The use of bulky aryl(silyl)amides (R) as substituents for the stabilisation of phospha\u2010germynes and phospha\u2010stannynes (R\u2212Ge\u2261P and R\u2212Sn\u2261P, respectively) is described. Such species can be transiently generated by photolysis of the phosphaketene precursors (RE(PCO); E=Ge, Sn). Utilisation of bulky amides R\n                    <jats:sup>1<\/jats:sup>\n                    and R\n                    <jats:sup>2<\/jats:sup>\n                    (R\n                    <jats:sup>1<\/jats:sup>\n                    =Ar**NSi(O\n                    <jats:italic>t<\/jats:italic>\n                    Bu)\n                    <jats:sub>3<\/jats:sub>\n                    , where Ar**=2,6\u2010bis[bis(4\u2010\n                    <jats:italic>tert<\/jats:italic>\n                    \u2010butylphenyl)methyl]\u20104\u2010methylphenyl; R\n                    <jats:sup>2<\/jats:sup>\n                    =Ar***NSi(\n                    <jats:italic>i<\/jats:italic>\n                    Pr)\n                    <jats:sub>3<\/jats:sub>\n                    , where Ar***=2,6\u2010bis[bis(3,5\u2010di\u2010\n                    <jats:italic>tert<\/jats:italic>\n                    \u2010butylphenyl)methyl]\u20104\u2010methylphenyl) facilitates the formation of diphosphene\u2010type dimers, [(RGe)P]\n                    <jats:sub>2<\/jats:sub>\n                    and [(RSn)P]\n                    <jats:sub>2<\/jats:sub>\n                    . In an effort to circumvent dimerisation, the bulkier R\n                    <jats:sup>3<\/jats:sup>\n                    substituent (R\n                    <jats:sup>3<\/jats:sup>\n                    =Ar***NSi(4\u2010\n                    <jats:italic>tert\u2010<\/jats:italic>\n                    butylphenyl)\n                    <jats:sub>3<\/jats:sub>\n                    ) was employed in an analogous series of experiments. This affords cyclic germylenes and stannylenes due to insertion of the terminal phosphide into Si\u2212C bonds of the R\n                    <jats:sup>3<\/jats:sup>\n                    substituent, which in case of the stannylene could act as a trap for another R\n                    <jats:sup>3<\/jats:sup>\n                    \u2212Sn\u2261P moiety. All attempts to isolate terminal phosphide species were unsuccessful due to the reactivity of such compounds towards the organic periphery of the bulky amides, highlighting the limitations of highly sterically demanding functionalities.\n                  <\/jats:p>","DOI":"10.1002\/chem.201801329","type":"journal-article","created":{"date-parts":[[2018,3,24]],"date-time":"2018-03-24T19:53:11Z","timestamp":1521921191000},"page":"7358-7363","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Limitations of Steric Bulk: Towards Phospha\u2010germynes and Phospha\u2010stannynes"],"prefix":"10.1002","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7831-1410","authenticated-orcid":false,"given":"Alexander","family":"Hinz","sequence":"first","affiliation":[{"name":"Department of Chemistry Chemistry Research Laboratory University of Oxford  12 Mansfield Road Oxford OX1 3TA UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7311-1663","authenticated-orcid":false,"given":"Jose M.","family":"Goicoechea","sequence":"additional","affiliation":[{"name":"Department of Chemistry Chemistry Research Laboratory University of Oxford  12 Mansfield Road Oxford OX1 3TA UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,4,30]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.197502321"},{"key":"e_1_2_2_1_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19750870803"},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jorganchem.2004.06.010"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/C39840000480"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1039\/dt9760002268"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.214.4527.1343"},{"key":"e_1_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja00405a054"},{"key":"e_1_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.277.5322.78"},{"key":"e_1_2_2_8_1","first-page":"139","volume":"41","author":"Tokitoh N.","year":"1998","journal-title":"J. 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