{"id":"W2087674365","doi":"10.1139/v2012-033","title":"Efficient one-pot syntheses of dibenzo[<i>a</i>,<i>i</i>]xanthene-diones and evaluation of their antioxidant activity","year":2012,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Multicomponent Synthesis of Heterocycles","field":"Chemistry","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Xanthene; Chemistry; Catalysis; Ionic liquid; DPPH; Sulfuric acid; Condensation; Organic chemistry; Antioxidant; Combinatorial chemistry","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":[0.0001465655,0.0004578683,0.0003770188,0.0002491988,0.000213396,0.0001443271,0.0003542962,0.0002211508,0.001520993],"category_scores_gemma":[0.00009654644,0.0001637479,0.0001656371,0.0002899595,0.0001310142,0.0002771296,0.0002724955,0.0003421691,0.0006015369],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001854229,"about_ca_system_score_gemma":0.0002778068,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002552385,"about_ca_topic_score_gemma":0.001168138,"domain_scores_codex":[0.9999126,0.000008405324,0.00001123772,0.00002040682,0.00002397026,0.0000234355],"domain_scores_gemma":[0.9999366,0.000007471774,0.00001738718,0.000007597279,0.00001237374,0.00001859803],"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":[0.00006722567,0.0001104378,0.0001258894,0.0001938038,0.0000133063,0.000135801,0.00004677728,0.0003610618,0.9863788,0.0005873649,0.0001438602,0.01183567],"study_design_scores_gemma":[0.00001632836,0.0004889435,0.000777879,0.000006230424,0.00001763975,0.0001695814,0.00001440264,0.0004679461,0.993372,0.0001161393,0.004540789,0.00001205699],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9187474,0.008876006,0.05708266,0.0001581243,0.0001946756,0.0006043402,0.001392646,0.0003411703,0.01260294],"genre_scores_gemma":[0.9641955,0.005508538,0.02292225,0.00005987909,0.00002258171,0.0001900523,0.0006163977,0.00003876245,0.006446047],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001520993,"threshold_uncertainty_score":0.00508821,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0415295462536753,"score_gpt":0.2551804407837872,"score_spread":0.2136508945301119,"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."}}