{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T19:24:18Z","timestamp":1775244258741,"version":"3.50.1"},"reference-count":67,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,1,7]],"date-time":"2016-01-07T00:00:00Z","timestamp":1452124800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"name":"Fonds der Chemischen Industrie"},{"DOI":"10.13039\/501100000781","name":"European Research Council (ERC)","doi-asserted-by":"crossref","award":["SELFPHOS AdG-339072"],"award-info":[{"award-number":["SELFPHOS AdG-339072"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2016,2,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The synthesis of heteroatom analogues of the cyclopentadienyl anion Cp<jats:sup>\u2212<\/jats:sup> is a fascinating and challenging field of research. The replacement of methine moieties by phosphorus is well investigated for the synthesis of mono\u2010, tri\u2010 and pentaphospholyl ligands. On the other hand, arsenic derivatives are rare and 1,2,4\u2010triarsolyl and tetraarsolyl salts are unknown. Herein, we report on the synthesis of Cs[E<jats:sub>3<\/jats:sub>C<jats:sub>2<\/jats:sub>(trip)<jats:sub>2<\/jats:sub>] (<jats:bold>1\u2009a<\/jats:bold>: E=P; <jats:bold>1\u2009b<\/jats:bold>: E=As; trip=2,4,6\u2010triisopropylphenyl) and Cs[E<jats:sub>4<\/jats:sub>C(trip)] (<jats:bold>2\u2009a<\/jats:bold>: E=P; <jats:bold>2\u2009b<\/jats:bold>: E=As). Compound <jats:bold>1\u2009b<\/jats:bold> represents the first 1,2,4\u2010triarsolyl and <jats:bold>2\u2009b<\/jats:bold> the first tetraarsolyl anion. All salts are obtained in one\u2010pot syntheses using E(SiMe<jats:sub>3<\/jats:sub>)<jats:sub>3<\/jats:sub>, 2,4,6\u2010triisopropylbenzoyl chloride and CsF. The products <jats:bold>1\u2009a<\/jats:bold>\u22c52\u2009C<jats:sub>4<\/jats:sub>H<jats:sub>8<\/jats:sub>O<jats:sub>2<\/jats:sub>, <jats:bold>2\u2009a<\/jats:bold>\u22c5Et<jats:sub>2<\/jats:sub>O and <jats:bold>2\u2009b<\/jats:bold>\u22c53\u2009C<jats:sub>4<\/jats:sub>H<jats:sub>8<\/jats:sub>O<jats:sub>2<\/jats:sub> were characterized by X\u2010ray structural analysis, which revealed planar heterocycles. Nucleus\u2010independent chemical shifts (NICS) confirmed the aromaticity of these anions. Notably, compound <jats:bold>2\u2009a<\/jats:bold>\u22c5Et<jats:sub>2<\/jats:sub>O is only the second tetraphospholyl ligand which is structurally characterized.<\/jats:p>","DOI":"10.1002\/chem.201504961","type":"journal-article","created":{"date-parts":[[2015,12,14]],"date-time":"2015-12-14T14:37:40Z","timestamp":1450103860000},"page":"1944-1948","source":"Crossref","is-referenced-by-count":10,"title":["Progress in Polyarsolyl Chemistry"],"prefix":"10.1002","volume":"22","author":[{"given":"Claudia","family":"Heindl","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugenia V.","family":"Peresypkina","sequence":"additional","affiliation":[{"name":"Nikolaev Institute of Inorganic Chemistry Siberian Division of RAS  Acad. Lavrentyev Str. 3 630090 Novosibirsk Russia"},{"name":"Novosibirsk State University  Pirogova Str. 2 630090 Novosibirsk Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander V.","family":"Virovets","sequence":"additional","affiliation":[{"name":"Nikolaev Institute of Inorganic Chemistry Siberian Division of RAS  Acad. Lavrentyev Str. 3 630090 Novosibirsk Russia"},{"name":"Novosibirsk State University  Pirogova Str. 2 630090 Novosibirsk Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00e1bor","family":"Bal\u00e1zs","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manfred","family":"Scheer","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie Universit\u00e4t Regensburg  93040 Regensburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,1,7]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.198207113"},{"key":"e_1_2_2_1_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19820941002"},{"key":"e_1_2_2_2_1","unstructured":"\u00a0"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2005.04.032"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1021\/om049767g"},{"key":"e_1_2_2_5_2","doi-asserted-by":"publisher","DOI":"10.1039\/b204337h"},{"key":"e_1_2_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/0010-8545(94)03000-G"},{"key":"e_1_2_2_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/cber.19911241114"},{"key":"e_1_2_2_8_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.198702291"},{"key":"e_1_2_2_8_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19870990317"},{"key":"e_1_2_2_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0020-1693(00)91617-7"},{"key":"e_1_2_2_10_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00452a076"},{"key":"e_1_2_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0040-4020(01)91719-3"},{"key":"e_1_2_2_12_1","unstructured":"\u00a0"},{"key":"e_1_2_2_13_2","doi-asserted-by":"publisher","DOI":"10.1515\/znb-2009-0102"},{"key":"e_1_2_2_14_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1067325"},{"key":"e_1_2_2_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-328X(90)80029-Y"},{"key":"e_1_2_2_16_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.198802801"},{"key":"e_1_2_2_16_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19881000221"},{"key":"e_1_2_2_17_2","first-page":"59","volume":"26","author":"Scherer O. 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