{"id":"W2180265196","doi":"10.1016/j.tetlet.2003.10.069","title":"Improved synthesis of pyrylium salts leading to 2,4-disubstituted diarylfurans via novel mechanism","year":2003,"lang":"en","type":"article","venue":"Tetrahedron Letters","topic":"Synthesis and Characterization of Pyrroles","field":"Chemistry","cited_by":24,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Toronto","funders":"","keywords":"Chemistry; Acetophenone; Salt (chemistry); Mechanism (biology); Benzoic acid; Combinatorial chemistry; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004828905,0.0006923816,0.0005002858,0.0002579216,0.0003020606,0.0004276461,0.0007725029,0.0005440675,0.001465295],"category_scores_gemma":[0.0003037387,0.0003128633,0.0003307895,0.0002632122,0.000249005,0.0007970431,0.0004361348,0.0006692978,0.0008302302],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004833086,"about_ca_system_score_gemma":0.0004290134,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005319503,"about_ca_topic_score_gemma":0.0009980253,"domain_scores_codex":[0.9997185,0.00005364882,0.00004097354,0.00005045308,0.00005618698,0.00008020531],"domain_scores_gemma":[0.9998661,0.0000168483,0.00003346883,0.00002928916,0.00002605504,0.00002816843],"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":[0.0001724098,0.00009742187,0.0001366354,0.000236331,0.00002316251,0.0004937465,0.0002256151,0.0008591577,0.9802749,0.004229038,0.0004787851,0.01277295],"study_design_scores_gemma":[0.00004123116,0.0003395972,0.0002443754,0.000007054486,0.00001395541,0.0002190647,0.00001375798,0.001257433,0.9904823,0.0002033411,0.007150598,0.00002735919],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9226582,0.003899071,0.05360168,0.0004393696,0.0003047757,0.0002678813,0.0006654665,0.0008244197,0.01733915],"genre_scores_gemma":[0.9598461,0.002180228,0.03025255,0.00009561439,0.00004335666,0.0001195888,0.0003727989,0.0001135594,0.006976222],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001465295,"threshold_uncertainty_score":0.004901886,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01045437582397946,"score_gpt":0.214087971023611,"score_spread":0.2036335951996316,"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."}}