{"id":"W2064678298","doi":"10.1016/j.carres.2007.09.007","title":"O-2 Substituted pyranosyl oxacarbenium ions are C-2–O-2 2-fold rotors with a strong syn preference","year":2007,"lang":"en","type":"article","venue":"Carbohydrate Research","topic":"Carbohydrate Chemistry and Synthesis","field":"Chemistry","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"Institute for Biological Sciences; Steacie Institute for Molecular Sciences","funders":"","keywords":"Chemistry; Natural bond orbital; Stereochemistry; Substituent; Ion; Crystallography; Computational chemistry; Density functional theory; Organic chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002882009,0.0005999162,0.0004916631,0.0002537794,0.0002899087,0.0006056525,0.0005039279,0.0004730684,0.00269844],"category_scores_gemma":[0.0001957072,0.0002366107,0.0001428069,0.0002123258,0.0004254087,0.0005007212,0.0005531394,0.0005650562,0.001488331],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002774479,"about_ca_system_score_gemma":0.0002141861,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001252827,"about_ca_topic_score_gemma":0.0002154092,"domain_scores_codex":[0.9998515,0.00003086949,0.00001010338,0.00002871216,0.00002171694,0.00005713614],"domain_scores_gemma":[0.9999036,0.00001284731,0.00003049009,0.00001853882,0.000008780769,0.000025651],"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":[0.0009223848,0.00006928294,0.0002531477,0.0003698262,0.00001393897,0.0003687857,0.0001700092,0.0005406709,0.9495975,0.01750421,0.003288714,0.02690158],"study_design_scores_gemma":[0.0002612066,0.002948837,0.001717805,0.00004615322,0.00003145354,0.0006662604,0.0000940743,0.001956064,0.9254961,0.002457318,0.06423786,0.00008671392],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9477026,0.003561756,0.01699724,0.000764581,0.0008582735,0.0001090967,0.0003427131,0.0009848811,0.02867878],"genre_scores_gemma":[0.9833146,0.001442738,0.006325853,0.0002926461,0.0001193251,0.0001224041,0.0002308361,0.000100971,0.0080506],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00269844,"threshold_uncertainty_score":0.009027243,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1140596574812229,"score_gpt":0.3266732668701547,"score_spread":0.2126136093889318,"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."}}