{"id":"W1986563847","doi":"10.1002/chem.200501169","title":"Sequential Formation of Yellow, Red, and Orange 1‐Phenyl‐3,3‐Biphenylene‐Allene Dimers Prior to Blue Tetracene Formation: Helicity Reversal in <i>trans</i>‐3,4‐Diphenyl‐1,2‐bis(fluorenylidene)cyclobutane","year":2006,"lang":"en","type":"article","venue":"Chemistry - A European Journal","topic":"Synthesis and Properties of Aromatic Compounds","field":"Chemistry","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"Natural Sciences and Engineering Research Council of Canada; University College Dublin; Science Foundation Ireland","keywords":"Chemistry; Allene; Cyclobutane; Dimer; Stereochemistry; Photochemistry; Substituent; Deprotonation; Medicinal chemistry; Ring (chemistry); Catalysis; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00008558538,0.0002780739,0.0001382228,0.0001148276,0.0001779349,0.000215642,0.0002531803,0.0002190804,0.00222348],"category_scores_gemma":[0.0001354316,0.0002954102,0.0001326179,0.00009810726,0.0001950864,0.0002314071,0.0001943945,0.0005009152,0.0006586083],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001955175,"about_ca_system_score_gemma":0.0001431363,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000599739,"about_ca_topic_score_gemma":0.001403259,"domain_scores_codex":[0.9998937,0.00001068612,0.000003443812,0.00002791592,0.00002275397,0.00004144006],"domain_scores_gemma":[0.9999123,0.00001406212,0.00001927959,0.00001057173,0.000009967373,0.00003376144],"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":[0.00004930586,0.00001614323,0.00008214795,0.00002152935,0.000004217001,0.0000636465,0.00007599204,0.0001205641,0.9979864,0.0001935546,0.00007709399,0.001309553],"study_design_scores_gemma":[0.00001096483,0.000102875,0.000713044,0.000002417965,0.000003140439,0.00006002741,0.00002468559,0.0004189957,0.9975545,0.00002845167,0.001075611,0.000005338314],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9915748,0.0003295501,0.002087786,0.00004775164,0.00002092139,0.00002332092,0.0001195075,0.0001210569,0.00567533],"genre_scores_gemma":[0.9954266,0.0001877477,0.0009918937,0.0000273297,0.000003126451,0.0000178882,0.0001172896,0.00003753747,0.003190685],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00222348,"threshold_uncertainty_score":0.007438302,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01372513444605063,"score_gpt":0.2042648577594685,"score_spread":0.1905397233134178,"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."}}