{"id":"W2951121778","doi":"10.1139/v07-029","title":"<i>N</i>-Bromosuccinimide (NBS) — Selective and effective catalyst for trimethylsilylation of alcohols and phenols using hexamethyldisilazane and their regeneration under mild and neutral reaction conditions","year":2007,"lang":"en","type":"article","venue":"Canadian Journal of Chemistry","topic":"Chemical Synthesis and Reactions","field":"Chemistry","cited_by":20,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Catalysis; Dichloromethane; Phenols; Trimethylsilyl; N-Bromosuccinimide; Organic chemistry; Methanol; Solvent; Ether; Halogenation","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002967321,0.0001569221,0.000289651,0.00007366059,0.0001975593,0.00004071376,0.00003787719,0.0001988021,0.000008825277],"category_scores_gemma":[0.0001772386,0.0001435267,0.00005882234,0.00009254369,0.0002084683,0.0001704374,0.000007969587,0.0002199708,2.079143e-8],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001568625,"about_ca_system_score_gemma":0.0001766298,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009337035,"about_ca_topic_score_gemma":0.0006435397,"domain_scores_codex":[0.9991863,0.00001408233,0.0003540399,0.0001931997,0.00006143435,0.0001909773],"domain_scores_gemma":[0.9985557,0.00048087,0.000332018,0.00008414811,0.0001830744,0.0003641632],"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":[0.00005585886,0.00001519937,0.001006845,0.0001364258,0.0001079887,0.000001902681,0.0003600092,0.00001897656,0.9955148,0.00001545053,0.00002997019,0.002736576],"study_design_scores_gemma":[0.0007722646,0.00002668205,0.004356286,0.000141381,0.0001365923,0.0003798053,0.001019412,0.0001479369,0.9917915,0.0009442242,0.0001406526,0.0001432315],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9974323,0.001327337,0.0004584616,0.0001366145,0.00003029324,0.0001146838,0.000104533,0.000004206893,0.0003915897],"genre_scores_gemma":[0.9993328,0.00008639212,0.0002935919,0.000017957,0.0001858981,0.000004154779,0.00002917595,0.00001682313,0.00003321923],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003723266,"threshold_uncertainty_score":0.5852847,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01701513569703338,"score_gpt":0.2548191702506695,"score_spread":0.2378040345536361,"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."}}