{"id":"W2176481864","doi":"10.1016/j.tetlet.2006.02.086","title":"Silica gel supported TaBr5: new catalyst for the facile and rapid cyclization of 2′-aminochalcones to the corresponding 2-aryl-2,3-dihydroquinolin-4(1H)-ones under solvent-free conditions","year":2006,"lang":"en","type":"article","venue":"Tetrahedron Letters","topic":"Sulfur-Based Synthesis Techniques","field":"Chemistry","cited_by":75,"is_retracted":false,"has_abstract":false,"ca_institutions":"Université de Sherbrooke","funders":"Canadian Institutes of Health Research","keywords":"Chemistry; Isomerization; Catalysis; Aryl; Silica gel; Solvent; Environmentally friendly; Combinatorial chemistry; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0002700663,0.0005894323,0.0002282271,0.0004799366,0.0001593598,0.0001820315,0.0007296118,0.0003935939,0.002505983],"category_scores_gemma":[0.0001681149,0.0002012362,0.0001936497,0.0002278979,0.0001916167,0.0003247122,0.0002272519,0.000325082,0.00144493],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003324039,"about_ca_system_score_gemma":0.0003374324,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001409851,"about_ca_topic_score_gemma":0.003069453,"domain_scores_codex":[0.9998465,0.00001737645,0.00001731006,0.00003398018,0.00005111022,0.00003368785],"domain_scores_gemma":[0.9999592,0.000007230151,0.0000086809,0.000005175471,0.000007376756,0.00001229348],"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":[0.0001120332,0.00003201187,0.000115821,0.0002393458,0.00002155674,0.0001552847,0.00003240315,0.000124738,0.9872906,0.0004398811,0.0006089609,0.01082746],"study_design_scores_gemma":[0.00003740255,0.0001818059,0.0008945305,0.00001259531,0.00003693505,0.0002555557,0.00001070744,0.001066356,0.9893274,0.00007166665,0.008090009,0.00001498332],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8841857,0.009265894,0.08025024,0.0004706515,0.000407389,0.0002861457,0.002113573,0.003267123,0.01975316],"genre_scores_gemma":[0.9712506,0.002348109,0.01785708,0.0001015334,0.00004920391,0.000056008,0.001614613,0.0001374275,0.006585471],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002505983,"threshold_uncertainty_score":0.008383393,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01742032876792197,"score_gpt":0.2517697130819165,"score_spread":0.2343493843139945,"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."}}