{"id":"W2120456729","doi":"10.5267/j.ccl.2013.11.001","title":"Silica-based sulfonic acid (MCM-41-SO3H): a practical and efficient catalyst for the synthesis of highly substituted quinolines under solvent-free conditions at ambient temperature","year":2014,"lang":"en","type":"article","venue":"Current Chemistry Letters","topic":"Multicomponent Synthesis of Heterocycles","field":"Chemistry","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Iran University of Science and Technology; Iran National Science Foundation; National Science Foundation","keywords":"Chemistry; Sulfonic acid; Catalysis; Reusability; Annulation; Solid acid; Solvent; Organic chemistry; Reaction conditions; Brønsted–Lowry acid–base theory; 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":[0.0001178984,0.0002594522,0.0001004455,0.0001652119,0.00009101036,0.00009320644,0.0001944437,0.0001700143,0.0008622849],"category_scores_gemma":[0.00006325995,0.00009633639,0.0001396339,0.0001064655,0.0001751971,0.0001864011,0.0001523157,0.0001749614,0.0003990605],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001329735,"about_ca_system_score_gemma":0.0001739281,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005412445,"about_ca_topic_score_gemma":0.001521933,"domain_scores_codex":[0.9999474,0.000005512464,0.00000379317,0.00001131466,0.00002108007,0.00001082731],"domain_scores_gemma":[0.9999769,0.000003262661,0.00000693985,0.000003771731,0.00000411478,0.000005057986],"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":[0.00002761491,0.000005432898,0.0001013813,0.00006525366,0.000003877108,0.00005838098,0.00001180707,0.0001470165,0.9966008,0.000187602,0.00003548971,0.002755449],"study_design_scores_gemma":[0.000004058299,0.0001076835,0.0005798989,0.000002646173,0.000007298288,0.0001438041,0.000006629955,0.0006415808,0.9959927,0.00004593034,0.002462881,0.000004960315],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9695915,0.003312778,0.02094847,0.00008653398,0.0000352637,0.00005784661,0.000219963,0.0001934496,0.005554191],"genre_scores_gemma":[0.9900893,0.0008652317,0.00701581,0.00001639472,0.000006678097,0.000009322156,0.0001320929,0.00001424178,0.001850862],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0008622849,"threshold_uncertainty_score":0.002884567,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01992851938606694,"score_gpt":0.2698371486911083,"score_spread":0.2499086293050413,"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."}}