{"id":"W2314338964","doi":"10.1139/cjc-2013-0230","title":"An efficient regioselective bromination protocol of activated coumarins using 2,4,4,6-tetrabromo-2,5-cyclohexadienone","year":2013,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Oxidative Organic Chemistry Reactions","field":"Chemistry","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Regioselectivity; Halogenation; Moiety; Acetonitrile; Selectivity; Bromide; Reagent; Medicinal chemistry; Nucleophile; Organic 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":[0.000214418,0.0003827322,0.0002722122,0.0001661181,0.0001902699,0.0001466771,0.000249364,0.0002277856,0.000953907],"category_scores_gemma":[0.0001464965,0.0001590884,0.0001949348,0.0001851728,0.0001786959,0.0001980848,0.0002352737,0.0005078224,0.0003353262],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001878338,"about_ca_system_score_gemma":0.0001973699,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005303483,"about_ca_topic_score_gemma":0.002287389,"domain_scores_codex":[0.9998276,0.00003252137,0.00001164797,0.00003927775,0.00003197363,0.00005694085],"domain_scores_gemma":[0.9999294,0.00001415219,0.00001954499,0.00001645236,0.00001020759,0.00001013773],"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":[0.00004381525,0.00001289133,0.00003952832,0.00007134742,0.000005166497,0.00005743806,0.00005164254,0.00007990159,0.9973062,0.000115427,0.00004054351,0.002176019],"study_design_scores_gemma":[0.000006269715,0.00007651529,0.0004226662,0.000002720838,0.000004806534,0.000101098,0.00001132244,0.000121973,0.9977811,0.00002217074,0.001444845,0.000004525387],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.9543864,0.002865527,0.03412228,0.0001673888,0.00005527158,0.0001313973,0.0003722705,0.0003221594,0.007577364],"genre_scores_gemma":[0.9888527,0.001536261,0.005932658,0.00003976138,0.000007829793,0.00003172436,0.0002230682,0.00003368986,0.003342257],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.000953907,"threshold_uncertainty_score":0.003191173,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01274402859317777,"score_gpt":0.2505874306190229,"score_spread":0.2378434020258452,"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."}}