{"id":"W2333967041","doi":"10.1021/om4003973","title":"η<sup>5</sup>-Cyclopentadienyl-η<sup>3</sup>-1-phenylallylpalladium, an Unusually Effective Catalyst Precursor for Copper-Free and Copper-Assisted Sonogashira Cross-Coupling Reactions Catalyzed by Bis-phosphine Palladium(0) Compounds: The Role of Bis-acetylide Intermediates in the Reduction of a Palladium(II) Catalyst Precursor to a Palladium(0) Catalyst","year":2013,"lang":"en","type":"article","venue":"Organometallics","topic":"Catalytic Cross-Coupling Reactions","field":"Chemistry","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Queen's University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Chemistry; Sonogashira coupling; Catalysis; Palladium; Phosphine; Diphenylacetylene; Medicinal chemistry; Copper; Cyclopentadienyl complex; Coupling reaction; Photochemistry; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":["metaepi_narrow","sts"],"consensus_categories":["metaepi_narrow"],"category_scores_codex":[0.002004645,0.001588703,0.002124766,0.000797164,0.001319111,0.001025589,0.003210979,0.0008004421,0.0002263358],"category_scores_gemma":[0.002170338,0.00130667,0.0007450375,0.00263967,0.001888929,0.001481263,0.0009974648,0.001294895,0.00004340498],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00118642,"about_ca_system_score_gemma":0.0007358616,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01141917,"about_ca_topic_score_gemma":0.003732631,"domain_scores_codex":[0.9917212,0.00007132769,0.00290456,0.002248865,0.001278723,0.001775331],"domain_scores_gemma":[0.9904157,0.001982134,0.001663042,0.003845917,0.001301806,0.0007913887],"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":[0.001056837,0.002616641,0.010178,0.001052334,0.001513217,0.000008658856,0.02347332,0.005910356,0.9502112,0.0002260807,0.002156068,0.001597301],"study_design_scores_gemma":[0.01413757,0.001861404,0.01475596,0.001426642,0.003044508,0.0008870775,0.05470911,0.02357548,0.8568491,0.0005215,0.0240358,0.004195821],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9882544,0.001438751,0.0000572025,0.001104898,0.000239776,0.004851589,0.003229527,0.0002695117,0.0005543526],"genre_scores_gemma":[0.9898828,0.000268409,0.0004186303,0.00009254327,0.0003863001,0.002612623,0.005041389,0.0003727952,0.0009245175],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09336206,"threshold_uncertainty_score":0.999981,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01053124400836405,"score_gpt":0.2586386686760507,"score_spread":0.2481074246676866,"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."}}