[HTML][HTML] The Paternò-Büchi reaction—Mechanisms and application to organic synthesis

M Freneau, N Hoffmann - Journal of Photochemistry and Photobiology C …, 2017 - Elsevier
Abstract The [2+ 2] photocycloaddition between an electronically excited carbonyl
compound and an alkene leading to oxetanes (Paternò-Büchi reaction) is one of the most …

Proton‐Coupled Electron Transfer in Photoredox Catalytic Reactions

N Hoffmann - European Journal of Organic Chemistry, 2017 - Wiley Online Library
Proton‐coupled electron transfer (PCET) is studied in different research domains of
chemistry. Many reports involve biochemical processes. Although related phenomena have …

Excited-state proton-coupled electron transfer: different avenues for promoting proton/electron movement with solar photons

JC Lennox, DA Kurtz, T Huang, JL Dempsey - ACS Energy Letters, 2017 - ACS Publications
Excited-state proton-coupled electron transfer (ES-PCET) is a promising avenue for solar
fuel production and small molecule activation. Although less is known about ES-PCET …

Carbonyl-directed aliphatic fluorination: A special type of hydrogen atom transfer beats out Norrish II

F Ghorbani, SA Harry, JN Capilato… - Journal of the …, 2020 - ACS Publications
Recently, our group reported that enone and ketone functional groups, upon
photoexcitation, can direct site-selective sp3 C–H fluorination in terpenoid derivatives. How …

Formylation of fluoroalkyl imines through visible-light-enabled H-atom transfer catalysis: access to fluorinated α-amino aldehydes

S Yang, S Zhu, D Lu, Y Gong - Organic letters, 2019 - ACS Publications
A visible-light-enabled catalytic formylation of fluoroalkyl imines is developed. With readily
accessible starting materials and organocatalysts, this method provides a general approach …

Applications of proton-coupled electron transfer in organic synthesis

Z Zijie, K Xiangmei, L Tianfei - Chinese Journal of Organic Chemistry, 2021 - sioc-journal.cn
Proton-coupled electron transfer (PCET) reactions are a kind of unconventional redox
reactions, which exhibit special reactivities and selectivities due to their unique …

Enhanced driving force and charge separation efficiency of protonated anthraquinone for C–H photooxygenation of alkanes by proton-coupled electron transfer

H Yin, Y Yuan, Y Li, J Tang, W Zhong, L Mao - Green Chemistry, 2023 - pubs.rsc.org
Inspired by the crucial role of the proton pump of quinone moieties in natural photosynthesis,
we demonstrated a novel “donor–acceptor” strategy for boosting the aerobic visible-light …

Time-resolved spectroscopic observation and characterization of water-assisted photoredox reactions of selected aromatic carbonyl compounds

J Ma, X Zhang, DL Phillips - Accounts of Chemical Research, 2019 - ACS Publications
Conspectus In recent years, unusual and efficient self-photoredox reactions were detected
for selected benzophenone derivatives (BPs) and anthraquinone derivatives (AQs) in …

Carbon‐carbon and carbon‐heteroatom bond formation reactions using unsaturated carbon compounds

S Sultan, BA Shah - The Chemical Record, 2019 - Wiley Online Library
The carbon‐carbon and carbon‐heteroatom bond formation reactions are considered as a
fundamental tool in synthetic organic chemistry. They have been effectively utilized in the …

Merging 2, 3-butanedione and N-hydroxysuccinimide as visible-light-enabled hydrogen atom transfer catalysts for C [double bond, length as m-dash] C double bond …

J Huang, F Zhu, J Wen, J Xu, JM Yuan… - Organic Chemistry …, 2024 - pubs.rsc.org
The CC double bond cleavage of 2-cyanoaryl acrylamides through merging 2, 3-
butanedione and N-hydroxysuccinimide as visible-light-enabled hydrogen atom transfer …