{"id":{"repo_id":"etsu","oai_identifier":"oai:dc.etsu.edu:etd-3323"},"canonical_url":"https://search.dev.ndltd.org/etd/etsu/oai:dc.etsu.edu:etd-3323","repository":{"repo_id":"etsu","name":"East Tennessee State University","base_url":"https://dc.etsu.edu/do/oai/"},"display":{"title":"Contraction-Expansion Protocols.","abstract":"<p>An approach to a new class of compounds known as bridgehead dienone is described. The route is based on a tandem contraction-expansion event in which the contraction triggers the expansion. The two steps involved are a palladium-catalyzed Favorskii contraction and a <em>cis</em>-divinyl cyclopropanone rearrangement. Progress towards these goals is reported.</p>","abstract_html":"&lt;p&gt;An approach to a new class of compounds known as bridgehead dienone is described. The route is based on a tandem contraction-expansion event in which the contraction triggers the expansion. The two steps involved are a palladium-catalyzed Favorskii contraction and a &lt;em&gt;cis&lt;/em&gt;-divinyl cyclopropanone rearrangement. Progress towards these goals is reported.&lt;/p&gt;","abstract_has_math":false,"creators":["Njoya, Nadine Katia"],"institution":null,"degree_name":"MS (Master of Science)","degree_level":"Thesis - unrestricted","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008-08-12T07:00:00Z","date_published":"2008-08-12T07:00:00Z","updated_at":"2026-07-24T02:21:11Z","subjects":["Rearrangement","Cis-divinylcyclopropanone","Favorskii","Expansion","Contraction","Chemistry","Organic Chemistry","Physical Sciences and Mathematics"],"languages":[],"rights":["Copyright by the authors."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://dc.etsu.edu/etd/1971","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Njoya, Nadine Katia"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2008-08-12T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis - unrestricted"]},{"key":"thesis:degree_name","label":"Degree Name","values":["MS (Master of Science)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Rearrangement","Cis-divinylcyclopropanone","Favorskii","Expansion","Contraction","Chemistry","Organic Chemistry","Physical Sciences and Mathematics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Copyright by the authors."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://dc.etsu.edu/context/etd/article/3323/viewcontent/NjoyaN071908f.pdf","https://dc.etsu.edu/etd/1971"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>An approach to a new class of compounds known as bridgehead dienone is described. The route is based on a tandem contraction-expansion event in which the contraction triggers the expansion. The two steps involved are a palladium-catalyzed Favorskii contraction and a <em>cis</em>-divinyl cyclopropanone rearrangement. Progress towards these goals is reported.</p>"]},{"key":"dc:title","label":"Title","values":["Contraction-Expansion Protocols."]}]}],"canonical_facts":{"dc:creator":["Njoya, Nadine Katia"],"dc:date.issued":["2008-08-12T07:00:00Z"],"dc:description.abstract":["<p>An approach to a new class of compounds known as bridgehead dienone is described. The route is based on a tandem contraction-expansion event in which the contraction triggers the expansion. The two steps involved are a palladium-catalyzed Favorskii contraction and a <em>cis</em>-divinyl cyclopropanone rearrangement. Progress towards these goals is reported.</p>"],"dc:identifier":["https://dc.etsu.edu/context/etd/article/3323/viewcontent/NjoyaN071908f.pdf","https://dc.etsu.edu/etd/1971"],"dc:rights":["Copyright by the authors."],"dc:subject":["Rearrangement","Cis-divinylcyclopropanone","Favorskii","Expansion","Contraction","Chemistry","Organic Chemistry","Physical Sciences and Mathematics"],"dc:title":["Contraction-Expansion Protocols."],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Thesis - unrestricted"],"thesis:degree_name":["MS (Master of Science)"]},"updated_at":"2026-07-24T02:21:11Z"}