Chen, Yi-Xuan published the artcilePhotochemical Organocatalytic Aerobic Cleavage of C=C Bonds Enabled by Charge-Transfer Complex Formation, Name: ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol, the publication is Organic Letters (2022), 24(22), 3920-3925, database is CAplus and MEDLINE.
A novel visible-light-driven organocatalytic protocol to access aerobic oxidative cleavage of olefins, e.g., 4-benzylidene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one promoted by sodium benzene sulfinate, is described. An array of alkenes smoothly delivered the corresponding aldehydes RC(O)R1 (R = naphth-2-yl, 2-chlorophenyl, 3,4-dimethoxyphenyl, etc.; R1 = H) and ketones, e.g., 2, 6-di-tert-butylcyclohexa-2, 5-diene-1,4-dione under transition-metal-free conditions. Notably, α-halo-substituted styrenes, e.g., (1-bromovinyl)benzene proceeded with photoinduced oxidation to finally afford α-halo-acetophenones, e.g., 2-bromo-1-phenylethan-1-one with halogen migration. Crucial to this oxidation was the formation of charge-transfer complexes between sodium benzene sulfinate with mol. O2 to ultimately deliver the carbonyl products.
Organic Letters published new progress about 20880-92-6. 20880-92-6 belongs to alcohols-buliding-blocks, auxiliary class Other Aliphatic Heterocyclic,Chiral,Alcohol, name is ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol, and the molecular formula is C12H20O6, Name: ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol.
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