{"id":"W4409142283","doi":"10.26434/chemrxiv-2025-lm8cw-v2","title":"Synthesis of Conjugated Linear and Cyclic Polyynes by Alkyne Metathesis","year":2025,"lang":"en","type":"preprint","venue":"ChemRxiv","topic":"Synthetic Organic Chemistry Methods","field":"Chemistry","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada; Région Bretagne; Agence Nationale de la Recherche; Deutsche Forschungsgemeinschaft","keywords":"Conjugated system; Metathesis; Alkyne; Chemistry; Combinatorial chemistry; Organic chemistry; Catalysis; Polymerization","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001511122,0.0003404753,0.0001754899,0.0001933857,0.0001522013,0.0003086872,0.0002577972,0.0002542996,0.003062354],"category_scores_gemma":[0.0002178551,0.0001666374,0.0002134654,0.0002105774,0.0001326604,0.000295842,0.0002815464,0.0004464803,0.001187523],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002571261,"about_ca_system_score_gemma":0.0003220298,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002179316,"about_ca_topic_score_gemma":0.0007113791,"domain_scores_codex":[0.9998871,0.00001167822,0.00001414559,0.00002919532,0.00003103158,0.00002679949],"domain_scores_gemma":[0.9999288,0.00001291706,0.00001382787,0.00001732714,0.00001197394,0.00001516618],"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":[0.0000498271,0.00002639714,0.00008564835,0.0001197412,0.00001252073,0.0002639592,0.00003947178,0.0007093665,0.9845045,0.00361273,0.0002010128,0.01037477],"study_design_scores_gemma":[0.00001530559,0.0001986152,0.0002519607,0.000009520484,0.000008761494,0.0001741384,0.000007775924,0.000829437,0.9851261,0.0002374517,0.01313175,0.000009169305],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8888396,0.004859741,0.06904419,0.0003193933,0.0003045926,0.0004938239,0.001372768,0.0005125421,0.03425325],"genre_scores_gemma":[0.9313543,0.003896654,0.05016715,0.00009163064,0.00002871908,0.0002398902,0.0006183196,0.0001628093,0.01344046],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003062354,"threshold_uncertainty_score":0.01024467,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01790689167381052,"score_gpt":0.2821187573265199,"score_spread":0.2642118656527094,"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."}}