959-27-3Relevant articles and documents
Slawson et al.
, p. 128,129 (1978)
An Efficient Regeneration of Singlet Oxygen from 2,5-Diphenylfuran Endoperoxide Produced by a Dye-Sensitized Oxygenation
Usui, Yoshiharu,Koike, Hiroshi,Kurimura, Yoshimi
, p. 3373 - 3378 (1987)
The maximum quantum yield of 4.5 was evaluated from the kinetic analysis for the Methylene Blue-sensitized oxygenation of 2,5-diphenylfuran, and the contribution of a chain process to produce the furan endoperoxide was suggested.After the photoreaction, t
Oxidation of sesamol dimer by active species produced in the interaction of peroxide and hemoglobin
Kikugawa,Sasahara,Kurechi
, p. 591 - 599 (1983)
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Stereoselective Synthesis of cis-2-Ene-1,4-diones via Aerobic Oxidation of Substituted Furans Catalyzed by ABNO/HNO3
Yang, Liqun,Wang, Jingyang,Wang, Yue,Li, Xiaotong,Liu, Wei,Zhang, Zhaoguo,Xie, Xiaomin
, p. 14311 - 14320 (2021/10/25)
We report a highly efficient and selective catalytic system, ABNO (9-azabicyclo-[3.3.1]nonane N-oxyl)/HNO3, for the aerobic oxidation of substituted furans to cis-2-ene-1,4-diones under mild reaction conditions using oxygen as the oxidant. The catalyst system is amenable to various substituted (mon-, di-, and tri-) furans and tolerates diverse functional groups, including cyano, nitro, naphthyl, ketone, ester, heterocycle, and even formyl groups. Based on the control and 18O-labeling experiments, the possible mechanism of the oxidation is proposed.
Visible-light-mediated oxidative dimerization of arylalkynes in the open air: Stereoselective synthesis of (Z)-1,4-enediones
Wei, Donglei,Liang, Fushun
supporting information, p. 5860 - 5863 (2016/11/29)
An organic photoredox catalytic one-pot protocol is developed for the highly stereoselective synthesis of (Z)-1,4-enediones. The reaction starts directly from alkyne precursors, using 4-(4-cyanophenyl)-2,6-diphenylpyrylium tetrafluoroborate (CN-TPT) as an efficient photosensitizer and dioxygen in the air as a green oxidant. A Csp-Csp oxidative coupling/[4 + 2] cyclization (with dioxygen)/fragmentive isomerization cascade mechanism was proposed. The predominant formation of (Z)-1,4-enediones is attributed to the efficient visible-light illumination from blue LEDs, along with possible energy transfer from the photosensitizer CN-TPT to the E-isomers.