{"id":"W2044635898","doi":"10.1021/ol0167917","title":"Lactone-Derived Carbon-Centered Radicals:  Formation and Reactivity with Oxygen","year":2001,"lang":"en","type":"article","venue":"Organic Letters","topic":"Free Radicals and Antioxidants","field":"Chemistry","cited_by":80,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"","keywords":"Chemistry; Reactivity (psychology); Radical; Steric effects; Oxygen; Unpaired electron; Hydrogen atom abstraction; Photochemistry; Electron paramagnetic resonance; Delocalized electron; Alkoxy group; Medicinal chemistry; Computational chemistry; Stereochemistry; Organic chemistry; Nuclear magnetic resonance","routes":{"ca_aff":true,"ca_fund":false,"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":[],"consensus_categories":[],"category_scores_codex":[0.00006081206,0.0001413967,0.0001614499,0.0000256252,0.00006955197,0.00004579347,0.00009972823,0.00006868409,0.0002945775],"category_scores_gemma":[0.00002058642,0.0001161685,0.0000250862,0.00007980007,0.0000892403,0.000185111,0.00003085499,0.0001570056,0.00001099065],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006502706,"about_ca_system_score_gemma":0.00001570159,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006492322,"about_ca_topic_score_gemma":0.00003972041,"domain_scores_codex":[0.9992055,0.0000167362,0.0001427945,0.0002154854,0.000173937,0.0002455643],"domain_scores_gemma":[0.9995596,0.00003034075,0.00008157294,0.0002118609,0.00001105186,0.0001055614],"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":[0.00004164576,0.00004220854,0.004148345,0.0000368344,0.00002620262,0.00005557975,0.0001322058,2.403215e-7,0.9932024,0.00000430405,0.0003840241,0.001925961],"study_design_scores_gemma":[0.002523224,0.00003421447,0.01489668,0.0001501947,0.00005627161,0.0004275752,0.0001571483,0.000652411,0.9726999,0.00001927589,0.007953143,0.0004300124],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9941726,0.00007240174,0.000326167,0.004212758,0.000026727,0.00004569038,0.000003953306,0.00009307756,0.001046672],"genre_scores_gemma":[0.9987596,0.0001203396,0.0001073689,0.0008059265,0.0001102133,0.000003767071,0.00001157501,0.00002683696,0.00005441792],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0205026,"threshold_uncertainty_score":0.4737212,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0112341206124883,"score_gpt":0.2021757280941531,"score_spread":0.1909416074816648,"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."}}