{"id":{"repo_id":"ksu","oai_identifier":"oai:krex.k-state.edu:2097/41488"},"canonical_url":"https://search.dev.ndltd.org/etd/ksu/oai:krex.k-state.edu:2097/41488","repository":{"repo_id":"ksu","name":"Kansas State University","base_url":"https://krex.k-state.edu/server/oai/request"},"display":{"title":"Investigations into dianionic scorpionate ligands and their metal complexes","abstract":"Ligand design helps to define reactivity in coordination complexes and organometallic chemistry. Ligand characteristics greatly influence the reactivity of transition metal complexes and simple changes in the steric or electronic properties of a ligand can drastically affect the activity and selectivity of a catalyst. Scorpionate ligands are an easily tunable and display flexible binding modes in that they can act as bidentate or tridentate donors. In literature scorpionate ligands with charged donors are underrepresented and this is an area with great potential to explore and discover new organometallic complexes with novel reactivity. Inspired by scorpionate ligands and phenolate ligands throughout the literature, a set of eight neutral ligands were synthesized and utilized in the generation of metal complexes. These novel ligands were diphenolate ligands with a nitrogen or oxygen containing tail. The steric hinderance of these structures was varied using the ortho substituents on the phenol groups. The various tails also allowed the binding strength of the ligands to be varied. Studies on the activity of the complexes bearing these scorpionate ligands were performed. The effect of the steric size of the ligands as well as binding strength of the tail were investigated.","abstract_html":"Ligand design helps to define reactivity in coordination complexes and organometallic chemistry. Ligand characteristics greatly influence the reactivity of transition metal complexes and simple changes in the steric or electronic properties of a ligand can drastically affect the activity and selectivity of a catalyst. Scorpionate ligands are an easily tunable and display flexible binding modes in that they can act as bidentate or tridentate donors. In literature scorpionate ligands with charged donors are underrepresented and this is an area with great potential to explore and discover new organometallic complexes with novel reactivity. Inspired by scorpionate ligands and phenolate ligands throughout the literature, a set of eight neutral ligands were synthesized and utilized in the generation of metal complexes. These novel ligands were diphenolate ligands with a nitrogen or oxygen containing tail. The steric hinderance of these structures was varied using the ortho substituents on the phenol groups. The various tails also allowed the binding strength of the ligands to be varied. Studies on the activity of the complexes bearing these scorpionate ligands were performed. The effect of the steric size of the ligands as well as binding strength of the tail were investigated.","abstract_has_math":false,"creators":["Cooper, Elizabeth Nicole"],"institution":"Kansas State University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021","date_published":"2021","updated_at":"2026-07-27T20:01:36Z","subjects":["Scorpionate","Polymerization","Catalyst","Olefin metathesis"],"languages":["en_US"],"rights":["© the author. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s)."],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2097/41488","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Cooper, Elizabeth Nicole"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2021-05-04T22:02:42Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2021-05-04T22:02:42Z"]},{"key":"dc:date.issued","label":"Date","values":["2021"]},{"key":"dc:publisher","label":"Institution","values":["Kansas State University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Scorpionate","Polymerization","Catalyst","Olefin metathesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["© the author. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s)."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/2097/41488"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Ligand design helps to define reactivity in coordination complexes and organometallic chemistry. Ligand characteristics greatly influence the reactivity of transition metal complexes and simple changes in the steric or electronic properties of a ligand can drastically affect the activity and selectivity of a catalyst. Scorpionate ligands are an easily tunable and display flexible binding modes in that they can act as bidentate or tridentate donors. In literature scorpionate ligands with charged donors are underrepresented and this is an area with great potential to explore and discover new organometallic complexes with novel reactivity. Inspired by scorpionate ligands and phenolate ligands throughout the literature, a set of eight neutral ligands were synthesized and utilized in the generation of metal complexes. These novel ligands were diphenolate ligands with a nitrogen or oxygen containing tail. The steric hinderance of these structures was varied using the ortho substituents on the phenol groups. The various tails also allowed the binding strength of the ligands to be varied. Studies on the activity of the complexes bearing these scorpionate ligands were performed. The effect of the steric size of the ligands as well as binding strength of the tail were investigated."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:title","label":"Title","values":["Investigations into dianionic scorpionate ligands and their metal complexes"]}]}],"canonical_facts":{"dc:creator":["Cooper, Elizabeth Nicole"],"dc:date.accessioned":["2021-05-04T22:02:42Z"],"dc:date.available":["2021-05-04T22:02:42Z"],"dc:date.issued":["2021"],"dc:description.abstract":["Ligand design helps to define reactivity in coordination complexes and organometallic chemistry. Ligand characteristics greatly influence the reactivity of transition metal complexes and simple changes in the steric or electronic properties of a ligand can drastically affect the activity and selectivity of a catalyst. Scorpionate ligands are an easily tunable and display flexible binding modes in that they can act as bidentate or tridentate donors. In literature scorpionate ligands with charged donors are underrepresented and this is an area with great potential to explore and discover new organometallic complexes with novel reactivity. Inspired by scorpionate ligands and phenolate ligands throughout the literature, a set of eight neutral ligands were synthesized and utilized in the generation of metal complexes. These novel ligands were diphenolate ligands with a nitrogen or oxygen containing tail. The steric hinderance of these structures was varied using the ortho substituents on the phenol groups. The various tails also allowed the binding strength of the ligands to be varied. Studies on the activity of the complexes bearing these scorpionate ligands were performed. The effect of the steric size of the ligands as well as binding strength of the tail were investigated."],"dc:description.degree":["Master of Science"],"dc:identifier.uri":["https://hdl.handle.net/2097/41488"],"dc:language.iso":["en_US"],"dc:publisher":["Kansas State University"],"dc:rights":["© the author. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s)."],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["Scorpionate","Polymerization","Catalyst","Olefin metathesis"],"dc:title":["Investigations into dianionic scorpionate ligands and their metal complexes"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:01:36Z"}