{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/71279"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/71279","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Cyclopentenoid Cyanogens: Their Chemistry, Importance in Plant Systematics, and Their Role in the Coevolution of Plants and Insects (Phytochemistry, Cyanogenic, Glycosides, Nmr)","abstract":"Cyanogenic glycosides containing a cyclopentene ring were investigated chemically. Techniques for their isolation from plant sources were devised, and data accumulated on their spectroscopic properties. The distribution of cyclopentenoid cyanogens in plants was investigated, and it was determined that members of the Passifloraceae, Turneraceae, Malesherbiaceae, Flacourtiaceae and Caricaceae elaborate these compounds. The value of such a distribution in assessing taxonomic relationships was tested numerically in one genus. Cyclopentenoid cyanogens were found to be useful indicators of phylogenetic affinity at all taxonomic levels. A correlation was discovered between the pattern of elaboration of plant cyclopentenoid compounds and the host-plant preference of Heliconiine butterflies in their coevolutionary interaction with species in the genus Passiflora. A number of new structures are described for cyclopentenoid cyanogenic glycosides isolated from natural sources. An investigation into the biological activity of these compounds showed several to possess potential antitumor activity.","abstract_html":"Cyanogenic glycosides containing a cyclopentene ring were investigated chemically. Techniques for their isolation from plant sources were devised, and data accumulated on their spectroscopic properties. The distribution of cyclopentenoid cyanogens in plants was investigated, and it was determined that members of the Passifloraceae, Turneraceae, Malesherbiaceae, Flacourtiaceae and Caricaceae elaborate these compounds. The value of such a distribution in assessing taxonomic relationships was tested numerically in one genus. Cyclopentenoid cyanogens were found to be useful indicators of phylogenetic affinity at all taxonomic levels. A correlation was discovered between the pattern of elaboration of plant cyclopentenoid compounds and the host-plant preference of Heliconiine butterflies in their coevolutionary interaction with species in the genus Passiflora. A number of new structures are described for cyclopentenoid cyanogenic glycosides isolated from natural sources. An investigation into the biological activity of these compounds showed several to possess potential antitumor activity.","abstract_has_math":false,"creators":["Spencer, Kevin C."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Plant Biology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-16T06:21:57Z","date_published":"2014-12-16T06:21:57Z","updated_at":"2026-07-22T22:26:04Z","subjects":["Biology, Botany"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8502305"],"render_values":[{"text":"(UMI)AAI8502305","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/71279","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Spencer, Kevin C."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-16T06:21:57Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Plant Biology"]},{"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":["Biology, Botany"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/71279","(UMI)AAI8502305"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Cyanogenic glycosides containing a cyclopentene ring were investigated chemically. Techniques for their isolation from plant sources were devised, and data accumulated on their spectroscopic properties. The distribution of cyclopentenoid cyanogens in plants was investigated, and it was determined that members of the Passifloraceae, Turneraceae, Malesherbiaceae, Flacourtiaceae and Caricaceae elaborate these compounds. The value of such a distribution in assessing taxonomic relationships was tested numerically in one genus. Cyclopentenoid cyanogens were found to be useful indicators of phylogenetic affinity at all taxonomic levels. A correlation was discovered between the pattern of elaboration of plant cyclopentenoid compounds and the host-plant preference of Heliconiine butterflies in their coevolutionary interaction with species in the genus Passiflora. A number of new structures are described for cyclopentenoid cyanogenic glycosides isolated from natural sources. An investigation into the biological activity of these compounds showed several to possess potential antitumor activity.","Made available in DSpace on 2014-12-16T06:21:57Z (GMT). No. of bitstreams: 1 8502305.pdf: 12689470 bytes, checksum: 43046428cb56d016b74c6ff9adb4718a (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 71445 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","433 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."]},{"key":"dc:title","label":"Title","values":["Cyclopentenoid Cyanogens: Their Chemistry, Importance in Plant Systematics, and Their Role in the Coevolution of Plants and Insects (Phytochemistry, Cyanogenic, Glycosides, Nmr)"]}]}],"canonical_facts":{"dc:creator":["Spencer, Kevin C."],"dc:date":["2014-12-16T06:21:57Z","10000-01-01","1984"],"dc:description":["Cyanogenic glycosides containing a cyclopentene ring were investigated chemically. Techniques for their isolation from plant sources were devised, and data accumulated on their spectroscopic properties. The distribution of cyclopentenoid cyanogens in plants was investigated, and it was determined that members of the Passifloraceae, Turneraceae, Malesherbiaceae, Flacourtiaceae and Caricaceae elaborate these compounds. The value of such a distribution in assessing taxonomic relationships was tested numerically in one genus. Cyclopentenoid cyanogens were found to be useful indicators of phylogenetic affinity at all taxonomic levels. A correlation was discovered between the pattern of elaboration of plant cyclopentenoid compounds and the host-plant preference of Heliconiine butterflies in their coevolutionary interaction with species in the genus Passiflora. A number of new structures are described for cyclopentenoid cyanogenic glycosides isolated from natural sources. An investigation into the biological activity of these compounds showed several to possess potential antitumor activity.","Made available in DSpace on 2014-12-16T06:21:57Z (GMT). No. of bitstreams: 1 8502305.pdf: 12689470 bytes, checksum: 43046428cb56d016b74c6ff9adb4718a (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 71445 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","433 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."],"dc:identifier":["http://hdl.handle.net/2142/71279","(UMI)AAI8502305"],"dc:subject":["Biology, Botany"],"dc:title":["Cyclopentenoid Cyanogens: Their Chemistry, Importance in Plant Systematics, and Their Role in the Coevolution of Plants and Insects (Phytochemistry, Cyanogenic, Glycosides, Nmr)"],"dc:type":["text"],"thesis:degree_discipline":["Plant Biology"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:04Z"}