{"id":"W2949091727","doi":"10.1002/chin.200548263","title":"The First Century of Ketenes (1905—2005): The Birth of a Versatile Family of Reactive Intermediates","year":2005,"lang":"en","type":"article","venue":"ChemInform","topic":"Synthesis of β-Lactam Compounds","field":"Chemistry","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Chemistry; Reactive intermediate; Organic chemistry; 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":[0.0002179684,0.0001776109,0.0002931449,0.00003696538,0.00007268909,0.000013368,0.0007367515,0.000106423,0.0001845247],"category_scores_gemma":[0.0003294092,0.0001078937,0.0001847883,0.00009915751,0.0004790319,0.000141251,0.0001732987,0.0001541289,0.00000970206],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009422593,"about_ca_system_score_gemma":0.00009065053,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006425467,"about_ca_topic_score_gemma":0.00005266244,"domain_scores_codex":[0.9987335,8.965774e-7,0.000529643,0.0001329726,0.0003375449,0.0002654351],"domain_scores_gemma":[0.9975275,0.001067274,0.0005628931,0.0006597128,0.000136607,0.00004601266],"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":[0.0009134267,0.0004435965,0.006933343,0.001096054,0.0008234806,0.000001789684,0.01546174,0.000008009396,0.5612231,0.0003989706,0.02796351,0.384733],"study_design_scores_gemma":[0.0003039341,0.00001598187,0.001492067,0.0001273089,0.00003138707,0.000002471088,0.004663626,0.00005374547,0.8667392,0.00004088394,0.1264305,0.00009881486],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7228752,0.0007718537,1.139317e-7,0.0003053182,0.00006831255,0.00007528052,0.00004816891,0.00002381274,0.2758319],"genre_scores_gemma":[0.9983531,0.0003669609,0.00003752035,0.00003588286,0.000125976,0.00001768518,0.000008271388,0.00001929385,0.001035304],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3846342,"threshold_uncertainty_score":0.4399777,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008172934514369077,"score_gpt":0.2096777198914198,"score_spread":0.2015047853770507,"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."}}