{"id":"W2768304998","doi":"10.1021/jacs.7b10387","title":"Direct Observation of Photoinduced Ultrafast Generation of Singlet and Triplet Quinone Methides in Aqueous Solutions and Insight into the Roles of Acidic and Basic Sites in Quinone Methide Formation","year":2017,"lang":"en","type":"article","venue":"Journal of the American Chemical Society","topic":"Synthesis of Indole Derivatives","field":"Chemistry","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"University of Hong Kong; Research Grants Council, University Grants Committee; China Postdoctoral Science Foundation; National Natural Science Foundation of China; University of Victoria","keywords":"Chemistry; Quinone methide; Photochemistry; Aqueous solution; Quinone; Singlet state; Singlet oxygen; Organic chemistry; Excited state","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001258026,0.0003313608,0.000132661,0.00009935868,0.0001372451,0.0001354373,0.000235163,0.0002705534,0.0009491475],"category_scores_gemma":[0.0001920165,0.0001239668,0.0001066081,0.0001319315,0.0002189507,0.0002618443,0.0001708303,0.0003521051,0.0001357426],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002244275,"about_ca_system_score_gemma":0.0001402839,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006065285,"about_ca_topic_score_gemma":0.0005791329,"domain_scores_codex":[0.9999435,0.000006573589,0.000002066476,0.00001666095,0.00001581844,0.00001537806],"domain_scores_gemma":[0.9999043,0.00003643006,0.00002295741,0.000005837628,0.00002011541,0.00001029547],"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":[0.00004166895,0.000006208747,0.0001490011,0.00004608296,0.000002071574,0.0000434278,0.00003481488,0.0002006569,0.9984297,0.00008612896,0.00001762067,0.0009426919],"study_design_scores_gemma":[0.000009883922,0.0001685921,0.001221551,0.000002886759,0.000004952707,0.00004765404,0.00004520671,0.003041075,0.9950835,0.0000918089,0.0002778734,0.000005143079],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9957438,0.0004165814,0.00296183,0.00003802656,0.000006171929,0.00001058037,0.00008573546,0.00003408555,0.0007031658],"genre_scores_gemma":[0.9982888,0.0001902862,0.00115664,0.0000137466,0.000001950982,0.000008858744,0.00004931369,0.000003380592,0.0002870418],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0009491475,"threshold_uncertainty_score":0.003175199,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04866021422449092,"score_gpt":0.2745553060585009,"score_spread":0.22589509183401,"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."}}