{"id":"W2950231376","doi":"10.1002/jhet.37","title":"Synthetic strategy toward 1,9‐functionalized pyrido[2,3‐<i>d</i>:6,5‐<i>d</i>′]dipyrimidine‐2,4,6,8‐tetrones","year":2009,"lang":"en","type":"article","venue":"Journal of Heterocyclic Chemistry","topic":"Synthesis and Characterization of Heterocyclic Compounds","field":"Chemistry","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Institute for Nanotechnology; University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Chemistry; Stereochemistry; Combinatorial 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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002231443,0.000538912,0.0008749876,0.0001121956,0.0002741174,0.0001619842,0.0008064203,0.0003217798,0.008953499],"category_scores_gemma":[0.0002164414,0.0004857572,0.0007221035,0.000167213,0.0001179095,0.0004261114,0.00009200539,0.0006696196,0.00003109267],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002390423,"about_ca_system_score_gemma":0.00008939186,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000003206831,"about_ca_topic_score_gemma":2.762292e-7,"domain_scores_codex":[0.9964259,0.00003743938,0.001553212,0.0004787515,0.0009222098,0.0005824438],"domain_scores_gemma":[0.9972305,0.000203226,0.001242368,0.0006115386,0.0002968742,0.0004155057],"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":[0.0003387978,0.0004657737,0.0002869558,0.000148471,0.0001610049,0.00008953928,0.0001393477,0.00008615394,0.975561,0.00002003287,0.0009649528,0.02173795],"study_design_scores_gemma":[0.002501431,0.000148051,0.0009806332,0.0004208554,0.0002229347,0.00225026,0.0003526391,0.0002642253,0.8890149,0.0008992547,0.1021459,0.0007988785],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9788975,0.001193393,0.0003237215,0.001237602,0.0003495191,0.00004899305,0.00002225988,0.0001186904,0.01780835],"genre_scores_gemma":[0.9956341,0.000344775,0.0002460488,0.000309722,0.001437754,0.000006078498,0.00002871783,0.00005268907,0.001940065],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.101181,"threshold_uncertainty_score":0.9997594,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01794282728366887,"score_gpt":0.244723268863656,"score_spread":0.2267804415799871,"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."}}