Flavin photocatalysis

B König, S Kümmel, E Svobodová… - Physical Sciences …, 2018 - degruyter.com
Thanks to rapid development in the last decades, flavins have been recognized as
promising photoactive compounds to design new valuable synthetic methodologies based …

Efficient Metal‐Free Aerobic Photooxidation of Sulfides to Sulfoxides Mediated by a Vitamin B2 Derivative and Visible Light

T Neveselý, E Svobodova, J Chudoba… - Advanced Synthesis …, 2016 - Wiley Online Library
We have developed a metal‐free process for the aerobic photooxygenation of sulfides to
sulfoxides mediated by riboflavin tetraacetate or riboflavin (vitamin B2) photocatalysts and …

Photocatalytic benzylic C–H bond oxidation with a flavin scandium complex

B Mühldorf, R Wolf - Chemical Communications, 2015 - pubs.rsc.org
Photocatalytic benzylic C–H bond oxidation with a flavin scandium complex - Chemical
Communications (RSC Publishing) DOI:10.1039/C5CC00178A Royal Society of Chemistry …

[PDF][PDF] Photooxidation of sulfides to sulfoxides mediated by tetra-O-acetylriboflavin and visible light

J Dad'ová, E Svobodová, M Sikorski, B König… - …, 2012 - academia.edu
Sulfoxides play an important role as intermediates in organic synthesis [1] or as biologically
active compounds in the pharmaceutical industry.[2] Therefore, there is a demand for mild …

Tailoring flavins for visible light photocatalysis: organocatalytic [2+ 2] cycloadditions mediated by a flavin derivative and visible light

V Mojr, E Svobodová, K Straková, T Neveselý… - Chemical …, 2015 - pubs.rsc.org
A new application of flavin derivatives in visible light photocatalysis was found. 1-Butyl-7, 8-
dimethoxy-3-methylalloxazine, when irradiated by visible light, was shown to allow an …

A flavin-inspired covalent organic framework for photocatalytic alcohol oxidation

S Trenker, L Grunenberg, T Banerjee, G Savasci… - Chemical …, 2021 - pubs.rsc.org
Covalent organic frameworks (COFs) offer a number of key properties that predestine them
to be used as heterogeneous photocatalysts, including intrinsic porosity, long-range order …

Spectroscopy and photophysics of lumiflavins and lumichromes

E Sikorska, IV Khmelinskii, W Prukała… - The Journal of …, 2004 - ACS Publications
Solvent effects on the spectroscopic properties of lumichromes and lumiflavins are
presented. Fluorescence yields for lumiflavins are an order of magnitude larger than those …

Photosensitized generation of singlet oxygen from vinyl linked benzo-crown-ether− bipyridyl ruthenium (II) complexes

AA Abdel-Shafi, PD Beer, RJ Mortimer… - The Journal of …, 2000 - ACS Publications
Photophysical properties of 10 substituted methoxybenzene or vinyl linked benzo-crown-
ether− 2, 2 '-bipyridyl ruthenium (II) complexes are reported. The lifetimes of the excited …

Mechanism of quenching of triplet states by molecular oxygen: Biphenyl derivatives in different solvents

F Wilkinson, AA Abdel-Shafi - The Journal of Physical Chemistry …, 1999 - ACS Publications
The bimolecular rate constants for oxygen (O2 (3Σg-)) quenching and the efficiencies f ΔT
with which singlet oxygen (O2*(1Δg)) is thereby produced are reported for a range of …

Charge transfer effects on the efficiency of singlet oxygen production following oxygen quenching of excited singlet and triplet states of aromatic hydrocarbons in …

AA Abdel-Shafi, F Wilkinson - The Journal of Physical Chemistry …, 2000 - ACS Publications
Rate constants for quenching by molecular oxygen of excited singlet and triplet states, and,
respectively, are reported for 12 aromatic hydrocarbons in acetonitrile. Measured values of …