{"doi":"10.1002/mrc.1260260112","title":"Two‐dimensional NMR analysis of himachalol and its correlation with other sesquiterpenoids of the himachalane series","abstract":"<jats:title>Abstract</jats:title><jats:p>High‐field <jats:sup>1</jats:sup>H NMR studies of himachalol (1) have been carried out by two‐dimensional NMR methods. The stereochemical aspects of this molecule were studied through the application of stereospecific coupling constants, the nuclear Overhauser effect and lanthanide‐induced chemical shifts. Complete and unambiguous <jats:sup>13</jats:sup>C chemical shift assignments of 1 have been made for the first time by using two‐dimensional heteronuclear (<jats:sup>1</jats:sup>H<jats:sup>13</jats:sup>C) correlation NMR spectroscopy, DEPT, broad‐band proton decoupling and selective heteronuclear spin decoupling <jats:sup>13</jats:sup>C NMR methods. Complete <jats:sup>13</jats:sup>C chemical shift assignments of isocentdarol, centdarol and centdarone have also been made using some of the above techniques and their stereostructures have been corrected.</jats:p>","journal":"Magnetic Resonance in Chemistry","year":1988,"id":674938,"datarank":0.26876392038420827,"base_score":1.791759469228055,"endowment":1.791759469228055,"self_citation_contribution":0.26876392038420827,"citation_network_contribution":0.0,"self_endowment_contribution":0.26876392038420827,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":5,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1763477,"name":"Raja Roy","orcid":null,"position":1,"is_corresponding":false},{"id":1763479,"name":"D. K. Kulshreshtha","orcid":null,"position":2,"is_corresponding":false},{"id":586687,"name":"Om Prakash","orcid":"0000-0001-7714-641X","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Two‐dimensional NMR analysis of himachalol and its correlation with other sesquiterpenoids of the himachalane series","abstract":"<jats:title>Abstract</jats:title><jats:p>High‐field <jats:sup>1</jats:sup>H NMR studies of himachalol (1) have been carried out by two‐dimensional NMR methods. The stereochemical aspects of this molecule were studied through the application of stereospecific coupling constants, the nuclear Overhauser effect and lanthanide‐induced chemical shifts. Complete and unambiguous <jats:sup>13</jats:sup>C chemical shift assignments of 1 have been made for the first time by using two‐dimensional heteronuclear (<jats:sup>1</jats:sup>H<jats:sup>13</jats:sup>C) correlation NMR spectroscopy, DEPT, broad‐band proton decoupling and selective heteronuclear spin decoupling <jats:sup>13</jats:sup>C NMR methods. Complete <jats:sup>13</jats:sup>C chemical shift assignments of isocentdarol, centdarol and centdarone have also been made using some of the above techniques and their stereostructures have been corrected.</jats:p>","is_dataset_classified":null,"base_score":1.791759469228055,"endowment":1.791759469228055,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19162232","pmcid":null,"openalex_id":"https://openalex.org/W2152459101","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.17205577,"influential_citations":0,"citation_trend":[{"year":2016,"count":1},{"year":2019,"count":1}],"oa_status":"closed","license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fmrc.1260260112","host_type":"publisher"},{"url":"https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/pdf/10.1002/mrc.1260260112","host_type":"publisher"},{"url":"https://doi.org/10.1002/mrc.1260260112","host_type":"journal"}],"fields_of_study":["Advanced NMR Techniques and Applications","Molecular spectroscopy and chirality","NMR spectroscopy and applications"],"mesh_terms":[],"keywords":["Heteronuclear molecule","Chemistry","Transverse relaxation-optimized spectroscopy","Chemical shift","Carbon-13 NMR satellite","Two-dimensional nuclear magnetic resonance spectroscopy","Fluorine-19 NMR","Nuclear magnetic resonance spectroscopy","Nuclear Overhauser effect","Coupling constant","DEPT","Proton NMR","Carbon-13 NMR","Decoupling (probability)","Nuclear magnetic resonance","Stereochemistry","Computational chemistry","Physical chemistry","Physics"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-16T19:00:24.335415Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}