{"id":"W1988985830","doi":"10.1139/v02-107","title":"The determination of the stereochemistry of epoxides located at the 5,6-positions of decalinic systems: An empirical method based on <sup>13</sup>C NMR chemical shifts","year":2002,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Organic Chemistry Cycloaddition Reactions","field":"Chemistry","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Chemical shift; Epoxide; Interpretation (philosophy); Stereochemistry; Carbon-13 NMR; Computational chemistry; NMR spectra database; Spectral line; Organic chemistry; Physical chemistry; Catalysis","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006630427,0.0004452732,0.0002398178,0.0005509356,0.0002087457,0.0002220906,0.0004599752,0.0001626967,0.001116836],"category_scores_gemma":[0.001652931,0.0002013765,0.0001054217,0.0005610569,0.0004471839,0.0003027462,0.0002145593,0.0008081264,0.0003870798],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003000883,"about_ca_system_score_gemma":0.0003976181,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008964651,"about_ca_topic_score_gemma":0.002878971,"domain_scores_codex":[0.9998374,0.00003411938,0.000008981036,0.00004004785,0.00006884821,0.00001062889],"domain_scores_gemma":[0.999162,0.0003076429,0.0002189161,0.00008500089,0.0002032502,0.00002331914],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002378778,0.00006644282,0.01261424,0.0004168814,0.00005532046,0.000123526,0.0001581802,0.01044132,0.8470027,0.003285918,0.0004776568,0.12512],"study_design_scores_gemma":[0.00002312133,0.0002805056,0.02017567,0.00003546236,0.00007145941,0.0003395159,0.0001356902,0.05892867,0.9134781,0.002129878,0.004346962,0.00005507713],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.6982841,0.001986505,0.2906694,0.0001764721,0.00005109817,0.0001848523,0.0009791342,0.0004436809,0.007224735],"genre_scores_gemma":[0.8110351,0.002058614,0.1845822,0.00004963727,0.00001840409,0.0001427519,0.0005784667,0.00005414779,0.001480806],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.001116836,"threshold_uncertainty_score":0.003736198,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01870464487140014,"score_gpt":0.2613672646096178,"score_spread":0.2426626197382176,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}