{"id":"W2952300757","doi":"10.1002/1099-0690(200109)2001:18<3415::aid-ejoc3415>3.0.co;2-w","title":"Heptafulvenone, Vinylketene, Butadienylketene, and Allenylketene − Facile Generation, Observation, and Radical Reaction with TEMPO","year":2001,"lang":"en","type":"article","venue":"European Journal of Organic Chemistry","topic":"Free Radicals and Antioxidants","field":"Chemistry","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada; Universität Regensburg; University of Toronto","keywords":"Chemistry; Delocalized electron; Naphthalene; Dimer; Radical; Medicinal chemistry; Adduct; Diradical; Ring (chemistry); Photochemistry; Stereochemistry; Computational chemistry; Organic chemistry; Excited state","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0004773226,0.0002735036,0.0003384989,0.00003633502,0.0001908956,0.0001099992,0.0002192108,0.00008710751,0.0008562336],"category_scores_gemma":[0.0001753713,0.0002259149,0.000064084,0.0001563693,0.0002120845,0.0002832132,0.00006501522,0.0004320637,0.00000688978],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005975286,"about_ca_system_score_gemma":0.00009666195,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000003244121,"about_ca_topic_score_gemma":0.000004168784,"domain_scores_codex":[0.9983007,0.0000547736,0.0006538819,0.000336016,0.000375498,0.0002791044],"domain_scores_gemma":[0.9986248,0.0000465569,0.0004799476,0.0002647851,0.0002271257,0.0003567903],"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":[0.00009198412,0.00009355891,0.007301865,0.00008869788,0.00009886913,0.0004822719,0.00009862414,0.000003581118,0.9840107,0.000004196213,0.001009216,0.006716425],"study_design_scores_gemma":[0.009050602,0.000540528,0.05514589,0.000926543,0.0004124406,0.0300158,0.0008533861,0.0006397999,0.6660119,0.0000669986,0.2348232,0.001512865],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9927516,0.001525975,0.0004655898,0.0006370476,0.00005418787,0.00003024622,0.000008444587,0.00004013394,0.004486759],"genre_scores_gemma":[0.9929971,0.002201283,0.001420439,0.0001060028,0.0009673451,7.734216e-7,0.00001856719,0.00006682619,0.002221698],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3179988,"threshold_uncertainty_score":0.9375157,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01571249828408506,"score_gpt":0.1918769521849415,"score_spread":0.1761644539008564,"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."}}