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This molecule is the very first representative of a true 5,10,15,20\u2010tetraaryl\u201021\u2010carbaporphyrin complex where four trigonal donor atoms are involved in equatorial coordination. The contraction adds an unprecedented route to numerous organic transformations of aromatic compounds catalyzed by simple gold(III) compounds. <jats:italic>p<\/jats:italic>\u2010Benziporphyrin provided the unique environment to alter the fundamental reactivity of the benzene unit facilitating its contraction to cyclopentadiene.<\/jats:p>","DOI":"10.1002\/chem.201304162","type":"journal-article","created":{"date-parts":[[2013,12,30]],"date-time":"2013-12-30T09:27:36Z","timestamp":1388395656000},"page":"1376-1382","source":"Crossref","is-referenced-by-count":63,"title":["Gold(III)\u2010Mediated Contraction of Benzene to Cyclopentadiene: From <i>p<\/i>\u2010Benziporphyrin to Gold(III) True Tetraarylcarbaporphyrin"],"prefix":"10.1002","volume":"20","author":[{"given":"Bartosz","family":"Szyszko","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kamil","family":"Kupietz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ludmi\u0142a","family":"Szterenberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lechos\u0142aw","family":"Latos\u2010Gra\u017cy\u0144ski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,12,30]]},"reference":[{"key":"e_1_2_6_1_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201102218"},{"key":"e_1_2_6_1_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201102218"},{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19961081619"},{"key":"e_1_2_6_2_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.199618201"},{"key":"e_1_2_6_3_2","first-page":"104","volume-title":"Handbook of Porphyrin Science: with Applications to Chemistry, Physics, Materials Science Engineering, Biology and Medicine, Vol.\u20052","author":"Pawlicki M.","year":"2010"},{"key":"e_1_2_6_4_2","first-page":"361","volume-title":"The Porphyrin Handbook, Vol.\u20052","author":"Latos\u2010Gra\u017cy\u0144ski L.","year":"2000"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/tcr.20072"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1021\/ol0622763"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19941060721"},{"key":"e_1_2_6_7_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.199407791"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00081a047"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1021\/jo051141s"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0040-4039(99)01773-6"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201304493"},{"key":"e_1_2_6_11_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201304493"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19971090810"},{"key":"e_1_2_6_12_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.199708401"},{"key":"e_1_2_6_13_2","doi-asserted-by":"publisher","DOI":"10.1021\/om2004139"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201001555"},{"key":"e_1_2_6_14_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201001555"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature08730"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201303468"},{"key":"e_1_2_6_16_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201303468"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.1039\/C0CS00041H"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1021\/om900900u"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1021\/om300030e"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.1021\/ar800200m"},{"key":"e_1_2_6_21_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr068435d"},{"key":"e_1_2_6_22_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201209140"},{"key":"e_1_2_6_22_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201209140"},{"key":"e_1_2_6_23_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201208356"},{"key":"e_1_2_6_23_3","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201208356"},{"key":"e_1_2_6_24_2","unstructured":"CCDC\u2005962100 (5\u2009b\u2010Au) and 962101 (12\u2009b\u2010Au) contain the supplementary crystallographic data for this paper. 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