{"id":"W2950139724","doi":"10.1055/s-1996-5686","title":"Expedient Synthesis of a 5α-Steroid Using the Transannular Diels-Alder Strategy","year":2000,"lang":"en","type":"article","venue":"Synlett","topic":"Steroid Chemistry and Biochemistry","field":"Biochemistry, Genetics and Molecular Biology","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke","funders":"","keywords":"Chemistry; Epimer; Intramolecular force; Steroid; Stereoselectivity; Diels–Alder reaction; Adduct; Yield (engineering); Stereochemistry; Organic chemistry; Catalysis; Biochemistry; Hormone","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":[0.0001161222,0.0001988234,0.0001732232,0.00001040358,0.00008955986,0.00001833282,0.0003201149,0.0001854907,0.0004165753],"category_scores_gemma":[0.00002250466,0.0001489111,0.0001634577,0.00007437398,0.000148877,0.000003480346,0.00003435458,0.0001013524,0.000005317608],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000009453556,"about_ca_system_score_gemma":0.00004602043,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001540405,"about_ca_topic_score_gemma":0.000002306052,"domain_scores_codex":[0.9989219,0.00004368732,0.000264756,0.0003275144,0.0001677234,0.000274381],"domain_scores_gemma":[0.9992667,0.00001878424,0.00007301888,0.0005304386,0.0000439673,0.00006712496],"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":[0.0000917468,0.00006808439,0.0001142623,0.00005364464,0.00008716529,0.000005348644,0.0000545419,0.0001497376,0.9952776,0.000001811467,0.0005890437,0.003507036],"study_design_scores_gemma":[0.0002128083,0.0000591793,0.00008817951,0.00003755157,0.0000578476,0.00005289392,0.0002200424,0.00007068468,0.992994,0.00001380956,0.006006293,0.0001866769],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9939274,0.00115458,0.0001557233,0.0001322504,0.00004148245,0.0001053821,0.00004105865,0.00001026897,0.004431873],"genre_scores_gemma":[0.9979036,0.0001447868,0.0001365624,0.0001531468,0.0002900208,0.00002006933,0.00002321625,0.00002125235,0.001307352],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005417249,"threshold_uncertainty_score":0.6072419,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01216545863406676,"score_gpt":0.2428995727806481,"score_spread":0.2307341141465813,"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."}}