{"id":"W2952453034","doi":"10.1139/v00-096","title":"An expeditious synthesis of (±)-decahydro-5<i>H</i>-dipyrrolo [1,2-<i>a</i>:1',2'-<i>c</i>]pyrimidine-5-carbonitrile: a formal synthesis of (±)-tetraponerines-1, -2, -5, and -6","year":2000,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Synthesis and Reactivity of Heterocycles","field":"Chemistry","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Pyrimidine; Lactam; Stereoselectivity; Decarboxylation; Alkylation; Yield (engineering); Stereochemistry; One-pot synthesis; Combinatorial chemistry; Organic chemistry; Catalysis","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":[0.0001640025,0.0004361959,0.0002484359,0.0001715233,0.000179751,0.0001859476,0.000499676,0.0004239733,0.001985395],"category_scores_gemma":[0.0001634016,0.0001543301,0.0002259187,0.0001757823,0.0001718509,0.0003111446,0.0003509382,0.0005636141,0.001249107],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002227778,"about_ca_system_score_gemma":0.0005311162,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003968083,"about_ca_topic_score_gemma":0.001022555,"domain_scores_codex":[0.9998813,0.00001273313,0.00001591196,0.00003247228,0.00002758493,0.0000301751],"domain_scores_gemma":[0.9999179,0.000008107761,0.0000221875,0.00001563602,0.0000133202,0.00002284888],"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":[0.00005360289,0.00007035982,0.0001066732,0.0003491919,0.00001677426,0.0003090959,0.00008761074,0.0005182441,0.9824542,0.001037055,0.000221849,0.01477533],"study_design_scores_gemma":[0.0000392672,0.001131332,0.001054589,0.00002257867,0.00002747448,0.0009421504,0.00002732804,0.0007970867,0.9786288,0.0002383422,0.01706047,0.00003053913],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8636789,0.008093935,0.09290643,0.0003649882,0.0003334045,0.0005441681,0.002129143,0.000771129,0.03117794],"genre_scores_gemma":[0.9386907,0.004735199,0.04738526,0.0001415754,0.00005438032,0.0001480931,0.0009861933,0.00008621453,0.00777235],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001985395,"threshold_uncertainty_score":0.006641805,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006221475647537886,"score_gpt":0.1957305089756984,"score_spread":0.1895090333281605,"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."}}