Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2163641820', 'doi': 'https://doi.org/10.1002/rcm.1968', 'title': 'Low‐energy collision‐induced dissociation of sildenafil thiono analogues: gas‐phase intramolecular nucleophilic substitution through ion‐neutral complexes between a cationic substrate and a thione‐containing neutral nucleophile', 'display_name': 'Low‐energy collision‐induced dissociation of sildenafil thiono analogues: gas‐phase intramolecular nucleophilic substitution through ion‐neutral complexes between a cationic substrate and a thione‐containing neutral nucleophile', 'publication_year': 2005, 'publication_date': '2005-05-23', 'ids': {'openalex': 'https://openalex.org/W2163641820', 'doi': 'https://doi.org/10.1002/rcm.1968', 'mag': '2163641820', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15909319'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/rcm.1968', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S89689683', 'display_name': 'Rapid Communications in Mass Spectrometry', 'issn_l': '0951-4198', 'issn': ['0951-4198', '1097-0231'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'letter', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5050162784', 'display_name': 'Jaeick Lee', 'orcid': 'https://orcid.org/0000-0001-7548-0297'}, 'institutions': [{'id': 'https://openalex.org/I58716616', 'display_name': 'Korea Institute of Science and Technology', 'ror': 'https://ror.org/05kzfa883', 'country_code': 'KR', 'type': 'facility', 'lineage': ['https://openalex.org/I58716616']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Jaeick Lee', 'raw_affiliation_strings': ['Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea', 'institution_ids': ['https://openalex.org/I58716616']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5023318690', 'display_name': 'Hye Hyan Yoo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I58716616', 'display_name': 'Korea Institute of Science and Technology', 'ror': 'https://ror.org/05kzfa883', 'country_code': 'KR', 'type': 'facility', 'lineage': ['https://openalex.org/I58716616']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hye Hyan Yoo', 'raw_affiliation_strings': ['Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea', 'institution_ids': ['https://openalex.org/I58716616']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102163141', 'display_name': 'Min‐Yung Kang', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I58716616', 'display_name': 'Korea Institute of Science and Technology', 'ror': 'https://ror.org/05kzfa883', 'country_code': 'KR', 'type': 'facility', 'lineage': ['https://openalex.org/I58716616']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Min‐Yung Kang', 'raw_affiliation_strings': ['Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea', 'institution_ids': ['https://openalex.org/I58716616']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5100454659', 'display_name': 'Dong‐Hyun Kim', 'orcid': 'https://orcid.org/0000-0001-9807-4064'}, 'institutions': [{'id': 'https://openalex.org/I58716616', 'display_name': 'Korea Institute of Science and Technology', 'ror': 'https://ror.org/05kzfa883', 'country_code': 'KR', 'type': 'facility', 'lineage': ['https://openalex.org/I58716616']}], 'countries': ['KR'], 'is_corresponding': True, 'raw_author_name': 'Dong‐Hyun Kim', 'raw_affiliation_strings': ['Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology, PO Box 131, Chungryang, Seoul, Korea', 'institution_ids': ['https://openalex.org/I58716616']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5100454659'], 'corresponding_institution_ids': ['https://openalex.org/I58716616'], 'apc_list': {'value': 4840, 'currency': 'USD', 'value_usd': 4840, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 19, 'citation_normalized_percentile': {'value': 0.814379, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 86, 'max': 87}, 'biblio': {'volume': '19', 'issue': '12', 'first_page': '1767', 'last_page': '1770'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10459', 'display_name': 'Sexual function and dysfunction studies', 'score': 0.9966, 'subfield': {'id': 'https://openalex.org/subfields/2738', 'display_name': 'Psychiatry and Mental health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10459', 'display_name': 'Sexual function and dysfunction studies', 'score': 0.9966, 'subfield': {'id': 'https://openalex.org/subfields/2738', 'display_name': 'Psychiatry and Mental health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T11146', 'display_name': 'Hormonal and reproductive studies', 'score': 0.9944, 'subfield': {'id': 'https://openalex.org/subfields/2712', 'display_name': 'Endocrinology, Diabetes and Metabolism'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12878', 'display_name': 'Pharmaceutical Quality and Counterfeiting', 'score': 0.9919, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/bioanalysis', 'display_name': 'Bioanalysis', 'score': 0.84263253}, {'id': 'https://openalex.org/keywords/biotransformation', 'display_name': 'Biotransformation', 'score': 0.6753781}, {'id': 'https://openalex.org/keywords/biocatalysis', 'display_name': 'Biocatalysis', 'score': 0.45278025}], 'concepts': [{'id': 'https://openalex.org/C137535248', 'wikidata': 'https://www.wikidata.org/wiki/Q4914691', 'display_name': 'Bioanalysis', 'level': 2, 'score': 0.84263253}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.79044855}, {'id': 'https://openalex.org/C27881333', 'wikidata': 'https://www.wikidata.org/wiki/Q864895', 'display_name': 'Biotransformation', 'level': 3, 'score': 0.6753781}, {'id': 'https://openalex.org/C178907741', 'wikidata': 'https://www.wikidata.org/wiki/Q745930', 'display_name': 'Nucleophile', 'level': 3, 'score': 0.5926809}, {'id': 'https://openalex.org/C75079739', 'wikidata': 'https://www.wikidata.org/wiki/Q1571801', 'display_name': 'Intramolecular force', 'level': 2, 'score': 0.47338286}, {'id': 'https://openalex.org/C191503008', 'wikidata': 'https://www.wikidata.org/wiki/Q16007026', 'display_name': 'Biocatalysis', 'level': 4, 'score': 0.45278025}, {'id': 'https://openalex.org/C171250308', 'wikidata': 'https://www.wikidata.org/wiki/Q11468', 'display_name': 'Nanotechnology', 'level': 1, 'score': 0.38910937}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.36526984}, {'id': 'https://openalex.org/C21951064', 'wikidata': 'https://www.wikidata.org/wiki/Q899212', 'display_name': 'Combinatorial chemistry', 'level': 1, 'score': 0.35310465}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.19764265}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.15187445}, {'id': 'https://openalex.org/C65024703', 'wikidata': 'https://www.wikidata.org/wiki/Q373406', 'display_name': 'Reaction mechanism', 'level': 3, 'score': 0.14100277}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.13976091}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C181199279', 'wikidata': 'https://www.wikidata.org/wiki/Q8047', 'display_name': 'Enzyme', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D010879', 'descriptor_name': 'Piperazines', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D021241', 'descriptor_name': 'Spectrometry, Mass, Electrospray Ionization', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D013871', 'descriptor_name': 'Thiones', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D014665', 'descriptor_name': 'Vasodilator Agents', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D002412', 'descriptor_name': 'Cations', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005740', 'descriptor_name': 'Gases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010879', 'descriptor_name': 'Piperazines', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011687', 'descriptor_name': 'Purines', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000068677', 'descriptor_name': 'Sildenafil Citrate', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D021241', 'descriptor_name': 'Spectrometry, Mass, Electrospray Ionization', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013450', 'descriptor_name': 'Sulfones', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013871', 'descriptor_name': 'Thiones', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014665', 'descriptor_name': 'Vasodilator Agents', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/rcm.1968', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S89689683', 'display_name': 'Rapid Communications in Mass Spectrometry', 'issn_l': '0951-4198', 'issn': ['0951-4198', '1097-0231'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15909319', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'score': 0.46, 'display_name': 'Affordable and clean energy'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 11, 'referenced_works': ['https://openalex.org/W1988411738', 'https://openalex.org/W2016104945', 'https://openalex.org/W2027202120', 'https://openalex.org/W2030230761', 'https://openalex.org/W2053762581', 'https://openalex.org/W2073823505', 'https://openalex.org/W2088379827', 'https://openalex.org/W2127208110', 'https://openalex.org/W2162129081', 'https://openalex.org/W2949603225', 'https://openalex.org/W2953278499'], 'related_works': ['https://openalex.org/W4360772816', 'https://openalex.org/W4321087199', 'https://openalex.org/W4236642568', 'https://openalex.org/W3004992272', 'https://openalex.org/W2373828514', 'https://openalex.org/W2363082983', 'https://openalex.org/W2077587845', 'https://openalex.org/W1978861814', 'https://openalex.org/W1790425259', 'https://openalex.org/W1494880142'], 'abstract_inverted_index': {'Rapid': [0], 'Communications': [1], 'in': [2], 'Mass': [3], 'SpectrometryVolume': [4], '19,': [5], 'Issue': [6], '12': [7], 'p.': [8], '1767-1770': [9, 371], 'Letter': [10], 'to': [11, 304, 326, 349], 'the': [12, 298, 336, 346], 'Editor': [13], 'Low-energy': [14], 'collision-induced': [15], 'dissociation': [16], 'of': [17, 48, 76, 102, 132, 148, 175, 203, 229, 259, 275, 320, 330, 343, 354], 'sildenafil': [18], 'thiono': [19], 'analogues:': [20], 'gas-phase': [21], 'intramolecular': [22], 'nucleophilic': [23], 'substitution': [24], 'through': [25], 'ion-neutral': [26], 'complexes': [27], 'between': [28], 'a': [29, 33, 351], 'cationic': [30], 'substrate': [31], 'and': [32, 42, 50, 70, 78, 96, 104, 126, 134, 142, 150, 169, 177, 197, 205, 223, 231, 253, 261, 269, 277, 318, 322, 334, 341, 360], 'thione-containing': [34], 'neutral': [35], 'nucleophile': [36], 'Jaeick': [37, 39, 164, 166], 'Lee,': [38, 165], 'Lee': [40, 167], 'Bioanalysis': [41, 69, 95, 125, 168, 196, 222, 252], 'Biotransformation': [43, 71, 97, 127, 143, 170, 198, 224, 254, 270], 'Research': [44, 72, 98, 128, 144, 171, 199, 225, 255, 271], 'Center,': [45, 73, 99, 129, 145, 172, 200, 226, 256, 272], 'Korea': [46, 74, 100, 130, 146, 173, 201, 227, 257, 273], 'Institute': [47, 75, 101, 131, 147, 174, 202, 228, 258, 274], 'Science': [49, 77, 103, 133, 149, 176, 204, 230, 260, 276], 'Technology,': [51, 79, 105, 135, 151, 178, 206, 232, 262, 278], 'PO': [52, 80, 106, 136, 152, 179, 207, 233, 263, 279], 'Box': [53, 81, 107, 137, 153, 180, 208, 234, 264, 280], '131,': [54, 82, 108, 138, 154, 181, 209, 235, 265, 281], 'Chungryang,': [55, 83, 109, 139, 155, 182, 210, 236, 266, 282], 'Seoul,': [56, 84, 110, 140, 156, 183, 211, 237, 267, 283], 'KoreaSearch': [57, 85, 111, 184, 212, 238], 'for': [58, 86, 112, 158, 185, 213, 239, 285], 'more': [59, 87, 113, 159, 186, 214, 240, 286], 'papers': [60, 88, 114, 160, 187, 215, 241, 287], 'by': [61, 89, 115, 161, 188, 216, 242, 288], 'this': [62, 90, 116, 162, 189, 217, 243, 289, 355], 'authorHye': [63, 190], 'Hyan': [64, 67, 191, 194], 'Yoo,': [65, 192], 'Hye': [66, 193], 'Yoo': [68, 195], 'authorMin-Yung': [91, 218], 'Kang,': [92, 219], 'Min-Yung': [93, 220], 'Kang': [94, 221], 'authorDong-Hyun': [117, 244], 'Kim,': [118, 245], 'Corresponding': [119, 246], 'Author': [120, 247], 'Dong-Hyun': [121, 248], 'Kim': [122, 249], '[email': [123, 250], 'protected]': [124, 251], 'KoreaBioanalysis': [141, 268], 'Korea.Search': [157, 284], 'author': [163, 290], 'First': [291], 'published:': [292], '23': [293], 'May': [294], '2005': [295], 'https://doi.org/10.1002/rcm.1968Citations:': [296], '19Read': [297], 'full': [299, 310], 'textAboutPDF': [300], 'ToolsRequest': [301], 'permissionExport': [302], 'citationAdd': [303], 'favoritesTrack': [305], 'citation': [306], 'ShareShare': [307], 'Give': [308], 'accessShare': [309, 312], 'text': [311], 'full-text': [313, 328, 352], 'accessPlease': [314], 'review': [315], 'our': [316], 'Terms': [317, 340], 'Conditions': [319, 342], 'Use': [321], 'check': [323], 'box': [324], 'below': [325, 348], 'share': [327, 350], 'version': [329, 353], 'article.I': [331], 'have': [332], 'read': [333], 'accept': [335], 'Wiley': [337], 'Online': [338], 'Library': [339], 'UseShareable': [344], 'LinkUse': [345], 'link': [347], 'article': [356], 'with': [357], 'your': [358], 'friends': [359], 'colleagues.': [361], 'Learn': [362], 'more.Copy': [363], 'URL': [364], 'Citing': [365], 'Literature': [366], 'Volume19,': [367], 'Issue1230': [368], 'June': [369], '2005Pages': [370], 'RelatedInformation': [372]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2163641820', 'counts_by_year': [{'year': 2017, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-12-15T08:15:59.467331', 'created_date': '2016-06-24'}