{"id":"W2949679600","doi":"10.1002/chin.200622137","title":"Yb(OTf)<sub>3</sub>‐Catalyzed Reactions of 5‐Alkylidene Meldrum′s Acids with Phenols: One‐Pot Assembly of 3,4‐Dihydrocoumarins, 4‐Chromanones, Coumarins, and Chromones.","year":2006,"lang":"en","type":"article","venue":"ChemInform","topic":"Synthesis of Organic Compounds","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Chemistry; Meldrum's acid; Catalysis; Phenols; Organic chemistry; Combinatorial chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001475589,0.0004180755,0.0002213153,0.0001341287,0.0001367573,0.0002084154,0.0002253192,0.0002336176,0.001528233],"category_scores_gemma":[0.0001465462,0.0001417717,0.0001759218,0.0001621984,0.0001836397,0.0002617966,0.0002028908,0.0002283921,0.0009484645],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003682102,"about_ca_system_score_gemma":0.0001695431,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008737926,"about_ca_topic_score_gemma":0.002224857,"domain_scores_codex":[0.9998941,0.00001840261,0.000006231804,0.00001915654,0.00001175637,0.00005028929],"domain_scores_gemma":[0.9999371,0.00001331215,0.00002323142,0.000006933322,0.000005183833,0.00001435638],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001948448,0.00002036776,0.00006441847,0.0001041297,0.00001483271,0.00008732134,0.00006821191,0.000102307,0.9915901,0.0003565981,0.0003440821,0.007052863],"study_design_scores_gemma":[0.00001641674,0.0001417838,0.000251988,0.000003193052,0.00001014905,0.00007853979,0.0000144542,0.0002744392,0.9962326,0.0000462887,0.002925258,0.000005020124],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"other","genre_scores_codex":[0.9625044,0.005507618,0.01765394,0.0002677355,0.0002590047,0.0001046153,0.0003294033,0.0005935704,0.01277974],"genre_scores_gemma":[0.9872945,0.001645635,0.004644939,0.0000658652,0.00002330871,0.00002467596,0.0001374907,0.00005614789,0.006107399],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.001528233,"threshold_uncertainty_score":0.005112469,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009860598086902343,"score_gpt":0.214136681836525,"score_spread":0.2042760837496226,"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."}}