{"id":"W2018848798","doi":"10.1139/v06-133","title":"A simple and facile solventless procedure for the cyclization of 2′-amino- and 2′-hydroxy-chalcones using silica-supported sodium hydrogen sulphate as heterogenous catalyst","year":2006,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Synthesis of heterocyclic compounds","field":"Chemistry","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Catalysis; Environmentally friendly; Silica gel; Sodium; Hydrogen Sulfate; Hydrogen; 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001674495,0.0002203985,0.0003808171,0.00006082451,0.0002297641,0.00007881819,0.0002827869,0.0001603304,0.0001064883],"category_scores_gemma":[0.0001333412,0.0001956597,0.0001318404,0.00007094692,0.000231454,0.0001154164,0.00002904968,0.0001471399,3.050546e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001143052,"about_ca_system_score_gemma":0.0005301493,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002866725,"about_ca_topic_score_gemma":0.002196337,"domain_scores_codex":[0.9986581,0.000008708706,0.0005632376,0.0002188499,0.0001846562,0.0003664441],"domain_scores_gemma":[0.9985912,0.0001488498,0.0005157316,0.0002595898,0.0001730343,0.0003115973],"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":[0.00004131589,0.00002716589,0.0114747,0.0005168521,0.0001590257,0.00004145511,0.0002890182,0.0001788245,0.9864349,0.000002869168,0.0001533781,0.0006804966],"study_design_scores_gemma":[0.0007630437,0.00001641429,0.0004625857,0.000122084,0.0001856447,0.001431727,0.0006204493,0.001321081,0.992299,0.0003785249,0.002181622,0.0002178261],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9965052,0.002659722,0.00005064622,0.0002213507,0.00002563859,0.00009867256,0.0001532747,0.000008144354,0.0002773216],"genre_scores_gemma":[0.9994591,0.00002747279,0.0000486676,0.00003343582,0.0002377345,0.000007476603,0.00004225896,0.00003484788,0.0001089884],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01101211,"threshold_uncertainty_score":0.7978771,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01322926224260336,"score_gpt":0.2255794900621049,"score_spread":0.2123502278195016,"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."}}