{"id":"W2951893341","doi":"10.1021/ja047852+","title":"Cobalt-Mediated Two-Carbon Ring Expansion of Five-Membered Rings. Electrophilic Carbon−Carbon Bond Activation in the Synthesis of Seven-Membered Rings","year":2004,"lang":"en","type":"article","venue":"Journal of the American Chemical Society","topic":"Catalytic Alkyne Reactions","field":"Chemistry","cited_by":48,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Chemistry; Alkyne; Agostic interaction; Cyclopentadiene; Cobalt; Electrophile; Cycloaddition; Aryl; Ring (chemistry); Protonation; Cyclopentadienyl complex; Steric effects; Substituent; Carbon–carbon bond; Metallacycle; Medicinal chemistry; Stereochemistry; Alkyl; Organic chemistry; Metal; Catalysis","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004753829,0.0002776276,0.0007342198,0.00005683475,0.00005576276,0.00001587214,0.0007063508,0.0001394632,0.000007480377],"category_scores_gemma":[0.0009088955,0.0001963393,0.0006183453,0.0008987967,0.0004794064,0.00009065179,0.0001467845,0.0009251971,1.99434e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001011227,"about_ca_system_score_gemma":0.0002943879,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00263463,"about_ca_topic_score_gemma":0.0000168835,"domain_scores_codex":[0.9975027,0.00005083325,0.000955971,0.0002561614,0.0008445968,0.000389713],"domain_scores_gemma":[0.9963414,0.0006969703,0.0021239,0.0005299998,0.0002132441,0.00009445132],"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":[0.0001473126,0.0002363243,0.001328982,0.0000779317,0.0002029495,0.000002193571,0.001447762,0.0003487008,0.9958789,0.000006097385,0.00003567374,0.0002871634],"study_design_scores_gemma":[0.001119415,0.00003895284,0.002185731,0.0004082532,0.0001919161,0.00007179034,0.002468973,0.0009586919,0.9920629,0.0002757907,0.00002427418,0.0001933318],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972851,0.0000654812,0.000004132122,0.001067707,0.00004212945,0.000113345,0.000007055199,0.00001876852,0.001396263],"genre_scores_gemma":[0.9992716,0.00009822513,0.0002781164,0.00008124468,0.0002035657,0.00001091761,0.000003188071,0.00003914455,0.00001404898],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003816029,"threshold_uncertainty_score":0.8006483,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007291461760611134,"score_gpt":0.235575083451017,"score_spread":0.2282836216904058,"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."}}