{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/21652"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/21652","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Photochemistry of cyclopentadienyliron(II) arene complexes and tetraorganoborate salts","abstract":"The photodearylation mechanism of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ was studied. Irradiation of either the free ion or the ion pair in solution containing benzonitrile (PhCN) leads to a loss of the arene ligand and formation of a tris-nitrile complex ( (CpFe(PhCN)$\\sb3\\rbrack\\sp{+}$). Two important reactive intermediates are detected. One, formed from irradiation of the ion pair, is assigned as the ring-slipped $\\eta\\sp4$-arene-Cp-iron compound covalently bound to its counter ion. The other, formed from irradiation of freely solvated cation, is assigned as the coordinatively unsaturated ring-slipped $\\eta\\sp4$-arene-Cp-iron compound. Also, the photoreaction of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ in solutions containing epoxides was investigated.","abstract_html":"The photodearylation mechanism of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ was studied. Irradiation of either the free ion or the ion pair in solution containing benzonitrile (PhCN) leads to a loss of the arene ligand and formation of a tris-nitrile complex ( (CpFe(PhCN)$\\sb3\\rbrack\\sp{+}$). Two important reactive intermediates are detected. One, formed from irradiation of the ion pair, is assigned as the ring-slipped $\\eta\\sp4$-arene-Cp-iron compound covalently bound to its counter ion. The other, formed from irradiation of freely solvated cation, is assigned as the coordinatively unsaturated ring-slipped $\\eta\\sp4$-arene-Cp-iron compound. Also, the photoreaction of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ in solutions containing epoxides was investigated.","abstract_has_math":true,"creators":["Park, Kyung Mi"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":["Schuster, Gary B."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T13:15:05Z","date_published":"2011-05-07T13:15:05Z","updated_at":"2026-07-22T22:25:18Z","subjects":["Chemistry, Inorganic","Chemistry, Organic"],"languages":["eng"],"rights":["Copyright 1992 Park, Kyung Mi"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9215863","(UMI)AAI9215863"],"render_values":[{"text":"AAI9215863","href":null,"code":true},{"text":"(UMI)AAI9215863","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/21652","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Schuster, Gary B."]},{"key":"dc:creator","label":"Author","values":["Park, Kyung Mi"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T13:15:05Z","10000-01-01","1992"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chemistry, Inorganic","Chemistry, Organic"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1992 Park, Kyung Mi"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9215863","(UMI)AAI9215863","http://hdl.handle.net/2142/21652"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The photodearylation mechanism of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ was studied. Irradiation of either the free ion or the ion pair in solution containing benzonitrile (PhCN) leads to a loss of the arene ligand and formation of a tris-nitrile complex ( (CpFe(PhCN)$\\sb3\\rbrack\\sp{+}$). Two important reactive intermediates are detected. One, formed from irradiation of the ion pair, is assigned as the ring-slipped $\\eta\\sp4$-arene-Cp-iron compound covalently bound to its counter ion. The other, formed from irradiation of freely solvated cation, is assigned as the coordinatively unsaturated ring-slipped $\\eta\\sp4$-arene-Cp-iron compound. Also, the photoreaction of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ in solutions containing epoxides was investigated.","The di-$\\pi$-borate rearrangement mechanism was studied by comparing the reactivities of phenyl- and methyl-substituted borates. Irradiation of these borates produces oxygen- and water-sensitive boron-containing three-membered ring compounds, and biradical anion is proposed as intermediate. Some of photolysis products are red or yellow, and the cause of this color was investigated.","Made available in DSpace on 2011-05-07T13:15:05Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9215863.pdf: 2688871 bytes, checksum: 65c3185ccb117d65e4f2c8587551bdf6 (MD5) Previous issue date: 1992","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:52:17Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:24:04-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Photochemistry of cyclopentadienyliron(II) arene complexes and tetraorganoborate salts"]}]}],"canonical_facts":{"dc:contributor":["Schuster, Gary B."],"dc:creator":["Park, Kyung Mi"],"dc:date":["2011-05-07T13:15:05Z","10000-01-01","1992"],"dc:description":["The photodearylation mechanism of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ was studied. Irradiation of either the free ion or the ion pair in solution containing benzonitrile (PhCN) leads to a loss of the arene ligand and formation of a tris-nitrile complex ( (CpFe(PhCN)$\\sb3\\rbrack\\sp{+}$). Two important reactive intermediates are detected. One, formed from irradiation of the ion pair, is assigned as the ring-slipped $\\eta\\sp4$-arene-Cp-iron compound covalently bound to its counter ion. The other, formed from irradiation of freely solvated cation, is assigned as the coordinatively unsaturated ring-slipped $\\eta\\sp4$-arene-Cp-iron compound. Also, the photoreaction of (CpFe(ArH)) $\\sp{+}$X$\\sp{-}$ in solutions containing epoxides was investigated.","The di-$\\pi$-borate rearrangement mechanism was studied by comparing the reactivities of phenyl- and methyl-substituted borates. Irradiation of these borates produces oxygen- and water-sensitive boron-containing three-membered ring compounds, and biradical anion is proposed as intermediate. Some of photolysis products are red or yellow, and the cause of this color was investigated.","Made available in DSpace on 2011-05-07T13:15:05Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9215863.pdf: 2688871 bytes, checksum: 65c3185ccb117d65e4f2c8587551bdf6 (MD5) Previous issue date: 1992","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:52:17Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:24:04-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9215863","(UMI)AAI9215863","http://hdl.handle.net/2142/21652"],"dc:language":["eng"],"dc:rights":["Copyright 1992 Park, Kyung Mi"],"dc:subject":["Chemistry, Inorganic","Chemistry, Organic"],"dc:title":["Photochemistry of cyclopentadienyliron(II) arene complexes and tetraorganoborate salts"],"dc:type":["text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:18Z"}