{"id":"W2026195900","doi":"10.1016/j.tetasy.2004.06.027","title":"The thiopyran route to polypropionates. Asymmetric synthesis of the building blocks by enantioselective protonation","year":2004,"lang":"en","type":"article","venue":"Tetrahedron Asymmetry","topic":"Coordination Chemistry and Organometallics","field":"Chemistry","cited_by":22,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan","funders":"","keywords":"Enantioselective synthesis; Racemization; Protonation; Thiopyran; Decane; Aldol reaction; Chemistry; Enantiomer; Recrystallization (geology); Stereochemistry; Medicinal chemistry; Organic chemistry; Catalysis","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":[0.000430978,0.0002826551,0.0002615521,0.0001321998,0.0005192628,0.00008665276,0.0008758738,0.0001995426,0.0001043656],"category_scores_gemma":[0.001963919,0.0001871683,0.0002162814,0.001961509,0.0001410916,0.0001258585,0.0001775795,0.000418362,0.00001344438],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004573685,"about_ca_system_score_gemma":0.0001760433,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009740215,"about_ca_topic_score_gemma":0.00001431147,"domain_scores_codex":[0.9979083,0.00003700055,0.0005005726,0.0004340762,0.000696079,0.0004239607],"domain_scores_gemma":[0.9981725,0.0005489428,0.0003181446,0.0006147952,0.0002202278,0.0001254421],"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":[0.0001023575,0.0005277729,0.007853793,0.0002284754,0.0002994258,0.00000251811,0.000293361,0.000204235,0.8089297,0.008388077,0.001371161,0.1717992],"study_design_scores_gemma":[0.0004053772,0.00002070652,0.002149607,0.00009512764,0.00005634506,0.000009487991,0.0001780093,0.00005530207,0.9844518,0.001074879,0.01125504,0.0002483335],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9175104,0.00123111,0.00215125,0.006316546,0.0004257462,0.001140369,0.0002137736,0.0002954938,0.07071526],"genre_scores_gemma":[0.9964332,0.00003620271,0.0005230083,0.0001111495,0.0001083433,0.0001492477,0.000008241833,0.00004157221,0.002589023],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1755221,"threshold_uncertainty_score":0.7632502,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00479061475446584,"score_gpt":0.2245979371411692,"score_spread":0.2198073223867034,"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."}}