{"id":"https://openalex.org/W1974438841","doi":"https://doi.org/10.1016/s0021-9673(01)91892-8","title":"Chromatographic resolution of enantiomers: 1H and 13C nuclear magnetic resonance studies of hydrogen bonding in chiral ureide ester-amide systems","display_name":"Chromatographic resolution of enantiomers: 1H and 13C nuclear magnetic resonance studies of hydrogen bonding in chiral ureide ester-amide systems","publication_year":1972,"publication_date":"1972-09-01","ids":{"openalex":"https://openalex.org/W1974438841","doi":"https://doi.org/10.1016/s0021-9673(01)91892-8","mag":"1974438841"},"language":"en","primary_location":{"id":"doi:10.1016/s0021-9673(01)91892-8","doi":"https://doi.org/10.1016/s0021-9673(01)91892-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0021-9673(01)91892-8","pdf_url":null,"source":{"id":"https://openalex.org/S176136234","display_name":"Journal of Chromatography A","issn_l":"0021-9673","issn":["0021-9673","1873-3778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chromatography A","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005952729","display_name":"Charles H. Lochmuller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Charles H. Lochm\u00fcller","raw_affiliation_strings":["Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078927573","display_name":"Joel Mark Harris","orcid":"https://orcid.org/0000-0002-7081-8188","observed_orcids":["https://orcid.org/0000-0002-7081-8188"]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joel M. Harris","raw_affiliation_strings":["Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080499548","display_name":"Rex W. Souter","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rex W. Souter","raw_affiliation_strings":["Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706, U.S.A","institution_ids":["https://openalex.org/I170897317"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005952729"],"corresponding_institution_ids":["https://openalex.org/I170897317"],"apc_list":{"value":4040,"currency":"USD","value_usd":4040},"apc_paid":null,"fwci":2.6093,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.88339346,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"72","issue":"3","first_page":"405","last_page":"413"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13604","display_name":"Adsorption, diffusion, and thermodynamic properties of materials","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12748","display_name":"Molecular spectroscopy and chirality","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/enantiomeric-separation","display_name":"enantiomer separation","score":0.8790000081062317},{"id":"https://openalex.org/keywords/hydrogen-bonding","display_name":"hydrogen bonding","score":0.9480000138282776},{"id":"https://openalex.org/keywords/chiral-stationary-phase","display_name":"chiral stationary phase","score":0.8880000114440918},{"id":"https://openalex.org/keywords/steric-repulsion","display_name":"steric repulsion","score":0.8870000243186951},{"id":"https://openalex.org/keywords/vapor-pressure-osmometry","display_name":"vapor pressure osmometry","score":0.7749999761581421}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9465547800064087},{"id":"https://openalex.org/C112887158","wikidata":"https://www.wikidata.org/wiki/Q169324","display_name":"Hydrogen bond","level":3,"score":0.7217587232589722},{"id":"https://openalex.org/C2778439535","wikidata":"https://www.wikidata.org/wiki/Q188777","display_name":"Amide","level":2,"score":0.6561153531074524},{"id":"https://openalex.org/C201194858","wikidata":"https://www.wikidata.org/wiki/Q898238","display_name":"Steric effects","level":2,"score":0.6557660102844238},{"id":"https://openalex.org/C486523","wikidata":"https://www.wikidata.org/wiki/Q494483","display_name":"Enantiomer","level":2,"score":0.506156861782074},{"id":"https://openalex.org/C73352313","wikidata":"https://www.wikidata.org/wiki/Q1158783","display_name":"Vapor pressure osmometry","level":3,"score":0.4763248860836029},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.4555138945579529},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.4340313673019409},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.40174946188926697},{"id":"https://openalex.org/C19184958","wikidata":"https://www.wikidata.org/wiki/Q2661322","display_name":"Vapor pressure","level":2,"score":0.3549652695655823},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.24315086007118225}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0021-9673(01)91892-8","doi":"https://doi.org/10.1016/s0021-9673(01)91892-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0021-9673(01)91892-8","pdf_url":null,"source":{"id":"https://openalex.org/S176136234","display_name":"Journal of Chromatography A","issn_l":"0021-9673","issn":["0021-9673","1873-3778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chromatography A","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1573479194","https://openalex.org/W1599407474","https://openalex.org/W1967916013","https://openalex.org/W1971846463","https://openalex.org/W1988802673","https://openalex.org/W2001018517","https://openalex.org/W2011082243","https://openalex.org/W2025608968","https://openalex.org/W2042215787","https://openalex.org/W2067382263","https://openalex.org/W2067382921","https://openalex.org/W2068926686","https://openalex.org/W2080911668","https://openalex.org/W2085873244","https://openalex.org/W2144609083","https://openalex.org/W2149523040","https://openalex.org/W2312744169","https://openalex.org/W2316587038","https://openalex.org/W2322419997","https://openalex.org/W2330141056","https://openalex.org/W3021953708"],"related_works":["https://openalex.org/W2913914558","https://openalex.org/W2491316708","https://openalex.org/W2952976045","https://openalex.org/W2079595177","https://openalex.org/W1969696015","https://openalex.org/W4254647523","https://openalex.org/W821916586","https://openalex.org/W1527550349","https://openalex.org/W2010706402","https://openalex.org/W2319174807"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
