Technological innovations in photochemistry for organic synthesis: flow chemistry, high-throughput experimentation, scale-up, and photoelectrochemistry

L Buglioni, F Raymenants, A Slattery… - Chemical …, 2021 - ACS Publications
Photoinduced chemical transformations have received in recent years a tremendous amount
of attention, providing a plethora of opportunities to synthetic organic chemists. However …

Visible light-mediated applications of methylene blue in organic synthesis

RI Patel, A Sharma, S Sharma… - Organic Chemistry …, 2021 - pubs.rsc.org
Methylene blue is a versatile organic dye, which possesses adequate potential to be used in
photochemical reactions. This readily available dye utilizes visible light as a source of …

Singlet oxygen generation from polyaminoglycerol by spin-flip-based electron transfer

JS Nam, Y Hong, CG Lee, TI Kim, C Lee, DH Roh… - JAcS Au, 2022 - ACS Publications
Reactive oxygen species have drawn attention owing to their strong oxidation ability. In
particular, the singlet oxygen (1O2) produced by energy transfer is the predominant species …

Visible-light photoredox catalyzed dehydrogenative synthesis of allylic carboxylates from styrenes

Y Liu, S Battaglioli, L Lombardi, A Menichetti… - Organic …, 2021 - ACS Publications
The visible-light photoredox/[Co (III)] cocatalyzed dehydrogenative functionalization of cyclic
and acyclic styryl derivatives with carboxylic acids is documented. The methodology enables …

Synthesis of 3-epi-Hypatulin B Featuring a Late-Stage Photo-Oxidation in Flow

S Leisering, S Ponath, K Shakeri, A Mavroskoufis… - Organic …, 2022 - ACS Publications
A synthesis of 3-epi-hypatulin B, a highly oxygenated and densely functionalized bicyclic
scaffold, is reported. The carbon skeleton was prepared by functionalization of a …

Light‐Driven Waste‐To‐Value Upcycling: Bio‐Based Polyols and Polyurethanes from the Photo‐Oxygenation of Cardanols

R Stuhr, P Bayer, CBW Stark… - …, 2021 - Wiley Online Library
The upcycling of waste biomass into valuable materials by resource‐efficient chemical
transformations is a prime objective for sustainable chemistry. This approach is …

Development of water-soluble phenazine-2, 3-diol-based photosensitizers for singlet oxygen generation

K Yagi, K Ohira, K Yamana, K Imato… - Organic & …, 2023 - pubs.rsc.org
Phenazine-2, 3-diol-based dyes, KY-1Na and KY-2Na bearing one and two carboxylic acid
sodium salts, respectively, have been newly developed as water-soluble photosensitizers …

An entirely solvent-free photooxygenation of olefins under continuous flow conditions

P Bayer, AJ von Wangelin - Green Chemistry, 2020 - pubs.rsc.org
Photooxygenations of alkenes with singlet oxygen are a versatile, atom-economical
transformation. The choice of solvents is key to the success of this oxyfunctionalization with …

Visible‐Light‐Assisted Synthesis of Allylic Triflamides via Dual Acridinium/Co Catalysis

S Battaglioli, G Bertuzzi, R Pedrazzani… - Advanced Synthesis …, 2022 - Wiley Online Library
A dehydrogenative functionalization of styryl carbon‐carbon double bonds with triflamide is
described via dual visible‐light photoredox/cobaloxime catalysis. A range of allylic …

Selective photooxygenation of dihydroartemisinic acid in a reusable microreactor with physically immobilized photocatalysts

M Tamtaji, M Kazemeini, A Tyagi, AP Roxas - Materials Research Bulletin, 2022 - Elsevier
Photocatalytic production of organic materials including Artemisinin has been hampered in
the pharmaceutical industry because of low reusability and selectivity of photocatalysts. In …