{"id":"W2323442501","doi":"10.1021/ol200220d","title":"The Formal [4+3] Cycloaddition between Donor−Acceptor Cyclobutanes and Nitrones","year":2011,"lang":"en","type":"article","venue":"Organic Letters","topic":"Cyclopropane Reaction Mechanisms","field":"Chemistry","cited_by":98,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Cyclobutanes; Diastereomer; Chemistry; Cycloaddition; Yield (engineering); Alkoxy group; Stereochemistry; Organic chemistry; Catalysis","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":[0.0002769507,0.0008630612,0.0002828762,0.0003443693,0.0003522875,0.0004367266,0.00065161,0.0003741957,0.004819241],"category_scores_gemma":[0.0002255808,0.0002342118,0.000312009,0.0001905206,0.0005651882,0.0006453705,0.0007982133,0.0007967698,0.001220192],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004902623,"about_ca_system_score_gemma":0.0005849428,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003817012,"about_ca_topic_score_gemma":0.001002535,"domain_scores_codex":[0.9997688,0.00003125862,0.00001407548,0.0000375518,0.00005300361,0.00009532546],"domain_scores_gemma":[0.9999162,0.0000179311,0.00001784353,0.00001734478,0.00001116772,0.00001944914],"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":[0.0002363898,0.0001241671,0.0002187756,0.0005836434,0.00002326172,0.0009936434,0.0002285963,0.0007937709,0.9509242,0.02232759,0.0008415589,0.02270458],"study_design_scores_gemma":[0.00005963603,0.0005820188,0.0006623358,0.0000265957,0.00002008989,0.001253227,0.00004789921,0.0006562418,0.9732593,0.002532397,0.02084755,0.00005259641],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8248296,0.006065071,0.07400634,0.0007204037,0.0009598372,0.000483382,0.0008105101,0.0007097443,0.09141507],"genre_scores_gemma":[0.9674075,0.003546085,0.01591731,0.0001368863,0.00009005934,0.0001443419,0.0004185218,0.00004975827,0.01228947],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004819241,"threshold_uncertainty_score":0.01612198,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01218547498096708,"score_gpt":0.1919357178477388,"score_spread":0.1797502428667717,"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."}}