{"id":{"repo_id":"twu","oai_identifier":"oai:twu-ir.tdl.org:11274/3542"},"canonical_url":"https://search.dev.ndltd.org/etd/twu/oai:twu-ir.tdl.org:11274/3542","repository":{"repo_id":"twu","name":"Texas Woman's University","base_url":"https://twu-ir.tdl.org/server/oai/request"},"display":{"title":"The mass spectra and correlations with structure for some 1-(5-ethyl-2-thienyl)-1-thiaalkanes","abstract":"The mass spectra of fifteen members of the 1-(5-ethyl-2-thienyl)-1-thiaalkanes have been obtained. Fragmentation paths, rearrangement mechanisms supported by low ionization voltage data have been discussed. The parent peaks are moderately strong. The rearrangement ion at m/e 144 is prominent for all spectra of the compounds. A large amount of hydrocarbon fragment ions and only a small amount of typical alkylsulfide ions are observed. Short chain compounds do not follow the correlations developed. Suggestions for further studies of synthesis with positions of deuterium atom and carbon-13 on molecules have been made.","abstract_html":"The mass spectra of fifteen members of the 1-(5-ethyl-2-thienyl)-1-thiaalkanes have been obtained. Fragmentation paths, rearrangement mechanisms supported by low ionization voltage data have been discussed. The parent peaks are moderately strong. The rearrangement ion at m/e 144 is prominent for all spectra of the compounds. A large amount of hydrocarbon fragment ions and only a small amount of typical alkylsulfide ions are observed. Short chain compounds do not follow the correlations developed. Suggestions for further studies of synthesis with positions of deuterium atom and carbon-13 on molecules have been made.","abstract_has_math":false,"creators":["Chandrasurin, Pisal"],"institution":"Texas Woman's University","degree_name":"Master of Science","degree_level":"Master","degree_discipline":"Analytical Chemistry","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":["Foster, Norman"],"committee_members":["Stewart, George","Hurdis, Everett"],"year":1975,"date_issued":"1975-08","date_published":"1975-08","updated_at":"2026-07-24T05:05:11Z","subjects":["Mass spectrometric fragmentation","Sulfur compounds","Petroleum research"],"languages":["en_US"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11274/3542","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Foster, Norman"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Stewart, George","Hurdis, Everett"]},{"key":"dc:creator","label":"Author","values":["Chandrasurin, Pisal"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-11-06T15:15:15Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-11-06T15:15:15Z"]},{"key":"dc:date.issued","label":"Date","values":["1975-08"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Analytical Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Master"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Texas Woman's University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Mass spectrometric fragmentation","Sulfur compounds","Petroleum research"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11274/3542"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The mass spectra of fifteen members of the 1-(5-ethyl-2-thienyl)-1-thiaalkanes have been obtained. Fragmentation paths, rearrangement mechanisms supported by low ionization voltage data have been discussed. The parent peaks are moderately strong. The rearrangement ion at m/e 144 is prominent for all spectra of the compounds. A large amount of hydrocarbon fragment ions and only a small amount of typical alkylsulfide ions are observed. Short chain compounds do not follow the correlations developed. Suggestions for further studies of synthesis with positions of deuterium atom and carbon-13 on molecules have been made."]},{"key":"dc:title","label":"Title","values":["The mass spectra and correlations with structure for some 1-(5-ethyl-2-thienyl)-1-thiaalkanes"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Foster, Norman"],"dc:contributor.committeemember":["Stewart, George","Hurdis, Everett"],"dc:creator":["Chandrasurin, Pisal"],"dc:date.accessioned":["2014-11-06T15:15:15Z"],"dc:date.available":["2014-11-06T15:15:15Z"],"dc:date.issued":["1975-08"],"dc:description.abstract":["The mass spectra of fifteen members of the 1-(5-ethyl-2-thienyl)-1-thiaalkanes have been obtained. Fragmentation paths, rearrangement mechanisms supported by low ionization voltage data have been discussed. The parent peaks are moderately strong. The rearrangement ion at m/e 144 is prominent for all spectra of the compounds. A large amount of hydrocarbon fragment ions and only a small amount of typical alkylsulfide ions are observed. Short chain compounds do not follow the correlations developed. Suggestions for further studies of synthesis with positions of deuterium atom and carbon-13 on molecules have been made."],"dc:identifier.uri":["http://hdl.handle.net/11274/3542"],"dc:language.iso":["en_US"],"dc:subject":["Mass spectrometric fragmentation","Sulfur compounds","Petroleum research"],"dc:title":["The mass spectra and correlations with structure for some 1-(5-ethyl-2-thienyl)-1-thiaalkanes"],"dc:type":["Thesis"],"thesis:degree_discipline":["Analytical Chemistry"],"thesis:degree_level":["Master"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Texas Woman's University"]},"updated_at":"2026-07-24T05:05:11Z"}