{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T20:04:22Z","timestamp":1760299462836,"version":"3.37.3"},"reference-count":62,"publisher":"Wiley","issue":"50","license":[{"start":{"date-parts":[[2016,11,15]],"date-time":"2016-11-15T00:00:00Z","timestamp":1479168000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2016,12,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Cp<jats:sup>PEt<\/jats:sup><jats:sub>2<\/jats:sub>As<jats:sub>4<\/jats:sub> (Cp<jats:sup>PEt<\/jats:sup>=C<jats:sub>5<\/jats:sub>(4\u2010EtC<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>)<jats:sub>5<\/jats:sub>) (<jats:bold>1<\/jats:bold>) is synthesized by the reaction of Cp<jats:sup>PEt.<\/jats:sup> radicals with yellow arsenic (As<jats:sub>4<\/jats:sub>). In solution an equilibrium of the starting materials and the product is found. However, <jats:bold>1<\/jats:bold> can be isolated and stored in the solid state without decomposition. As<jats:sub>4<\/jats:sub> can be easily released from <jats:bold>1<\/jats:bold> under thermal or photochemical conditions. From powder samples of Cp<jats:sup>PEt<\/jats:sup><jats:sub>2<\/jats:sub>As<jats:sub>4<\/jats:sub>, yellow arsenic can be sublimed under rather mild conditions (<jats:italic>T<\/jats:italic>=125\u2009\u00b0C). A similar behavior for the P<jats:sub>4<\/jats:sub>\u2010releasing agent was determined for the related phosphorus compound Cp<jats:sup>BIG<\/jats:sup><jats:sub>2<\/jats:sub>P<jats:sub>4<\/jats:sub> (<jats:bold>2<\/jats:bold>; Cp<jats:sup>BIG<\/jats:sup>=C<jats:sub>5<\/jats:sub>(4\u2010nBuC<jats:sub>6<\/jats:sub>H<jats:sub>4<\/jats:sub>)<jats:sub>5<\/jats:sub>). DFT calculations show the importance of dispersion forces for the stability of the products.<\/jats:p>","DOI":"10.1002\/anie.201608478","type":"journal-article","created":{"date-parts":[[2016,11,16]],"date-time":"2016-11-16T17:56:18Z","timestamp":1479318978000},"page":"15524-15527","source":"Crossref","is-referenced-by-count":17,"title":["Cp<sup>PEt<\/sup><sub>2<\/sub>As<sub>4<\/sub>\u2014An Organic\u2010Substituted As<sub>4<\/sub> Butterfly Compound"],"prefix":"10.1002","volume":"55","author":[{"given":"Sebastian","family":"Heinl","sequence":"first","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00e1bor","family":"Bal\u00e1zs","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  Universit\u00e4tsstrasse 31 93040 Regensburg 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