{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:42:58Z","timestamp":1787236978606,"version":"build-2736575974"},"reference-count":48,"publisher":"Wiley","issue":"34","license":[{"start":{"date-parts":[[2014,8,13]],"date-time":"2014-08-13T00:00:00Z","timestamp":1407888000000},"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":[[2014,8,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The selective formation of the dinuclear butterfly complexes [{Cp\u2032\u2032\u2032Fe(CO)\n                    <jats:sub>2<\/jats:sub>\n                    }\n                    <jats:sub>2<\/jats:sub>\n                    (\u03bc,\u03b7\n                    <jats:sup>1:1<\/jats:sup>\n                    \u2010E\n                    <jats:sub>4<\/jats:sub>\n                    )] (E=P (\n                    <jats:bold>1\u2009a<\/jats:bold>\n                    ), As (\n                    <jats:bold>1\u2009b<\/jats:bold>\n                    )) and [{Cp*Cr(CO)\n                    <jats:sub>3<\/jats:sub>\n                    }\n                    <jats:sub>2<\/jats:sub>\n                    (\u03bc,\u03b7\n                    <jats:sup>1:1<\/jats:sup>\n                    \u2010E\n                    <jats:sub>4<\/jats:sub>\n                    )] (E=P (\n                    <jats:bold>2\u2009a<\/jats:bold>\n                    ), As (\n                    <jats:bold>2\u2009b<\/jats:bold>\n                    )) as new representatives of this rare class of compounds was found by reaction of E\n                    <jats:sub>4<\/jats:sub>\n                    with the corresponding dimeric carbonyl complexes. Complexes\n                    <jats:bold>1\u2009b<\/jats:bold>\n                    and\n                    <jats:bold>2\u2009b<\/jats:bold>\n                    are the first As\n                    <jats:sub>4<\/jats:sub>\n                    butterfly compounds with a bridging coordination mode. Moreover, first studies regarding the reactivity of\n                    <jats:bold>1\u2009b<\/jats:bold>\n                    and\n                    <jats:bold>2\u2009b<\/jats:bold>\n                    are presented, revealing the formation of the unprecedented As\n                    <jats:sub>8<\/jats:sub>\n                    cuneane complexes [{Cp\u2032\u2032\u2032Fe(CO)\n                    <jats:sub>2<\/jats:sub>\n                    }\n                    <jats:sub>2<\/jats:sub>\n                    {Cp\u2032\u2032\u2032Fe(CO)}\n                    <jats:sub>2<\/jats:sub>\n                    (\u03bc\n                    <jats:sub>4<\/jats:sub>\n                    ,\u03b7\n                    <jats:sup>1:1:2:2<\/jats:sup>\n                    \u2010As\n                    <jats:sub>8<\/jats:sub>\n                    )] (\n                    <jats:bold>3\u2009b<\/jats:bold>\n                    ) and [{Cp*Cr(CO)\n                    <jats:sub>3<\/jats:sub>\n                    }\n                    <jats:sub>4<\/jats:sub>\n                    (\u03bc\n                    <jats:sub>4<\/jats:sub>\n                    ,\u03b7\n                    <jats:sup>1:1:1:1<\/jats:sup>\n                    \u2010As\n                    <jats:sub>8<\/jats:sub>\n                    )] (\n                    <jats:bold>4<\/jats:bold>\n                    ). The compounds are fully characterized by NMR and IR spectroscopy as well as by X\u2010ray structure analysis. In addition, DFT calculations give insight into the transformation pathway from the E\n                    <jats:sub>4<\/jats:sub>\n                    butterfly to the corresponding cuneane structural motif.\n                  <\/jats:p>","DOI":"10.1002\/anie.201404653","type":"journal-article","created":{"date-parts":[[2014,8,13]],"date-time":"2014-08-13T16:54:02Z","timestamp":1407948842000},"page":"9077-9081","source":"Crossref","is-referenced-by-count":66,"title":["Selective Formation and Unusual Reactivity of Tetraarsabicyclo[1.1.0]butane Complexes"],"prefix":"10.1002","volume":"53","author":[{"given":"Christoph","family":"Schwarzmaier","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexey Y.","family":"Timoshkin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00e1bor","family":"Bal\u00e1zs","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manfred","family":"Scheer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,8,13]]},"reference":[{"key":"e_1_2_2_1_2","unstructured":"\u00a0"},{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr9003709"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr100010e"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr900349u"},{"key":"e_1_2_2_5_2","doi-asserted-by":"publisher","DOI":"10.1039\/c2cc17449a"},{"key":"e_1_2_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2010.12.016"},{"key":"e_1_2_2_7_2","unstructured":"\u00a0"},{"key":"e_1_2_2_8_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19911030725"},{"key":"e_1_2_2_8_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.199108501"},{"key":"e_1_2_2_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-328X(94)87211-2"},{"key":"e_1_2_2_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/cber.19921251107"},{"key":"e_1_2_2_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/cber.19951281202"},{"key":"e_1_2_2_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-328X(89)85154-X"},{"key":"e_1_2_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-328X(90)80029-Y"},{"key":"e_1_2_2_14_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00501a019"},{"key":"e_1_2_2_15_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19780900915"},{"key":"e_1_2_2_15_3","first-page":"676","volume":"17","year":"1978","journal-title":"Angew. 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