[HTML][HTML] Synthetic applications of flavin photocatalysis: a review

V Srivastava, PK Singh, A Srivastava, PP Singh - RSC Advances, 2021 - pubs.rsc.org
Encouraging developments in the field of photocatalysis in last decades, biomolecules
namely flavins have been observed to act as a catalyst in several photoredox-catalysed …

Biomimetic flavin-catalysed reactions for organic synthesis

H Iida, Y Imada, SI Murahashi - Organic & biomolecular chemistry, 2015 - pubs.rsc.org
Using simple riboflavin related compounds as biomimetic catalysts, catalytic oxidation of
various substrates with hydrogen peroxide or molecular oxygen can be performed …

Bioinspired aerobic oxidation of secondary amines and nitrogen heterocycles with a bifunctional quinone catalyst

AE Wendlandt, SS Stahl - Journal of the American Chemical …, 2014 - ACS Publications
Copper amine oxidases are a family of enzymes with quinone cofactors that oxidize primary
amines to aldehydes. The native mechanism proceeds via an iminoquinone intermediate …

Catalytic aerobic dehydrogenation of nitrogen heterocycles using heterogeneous cobalt oxide supported on nitrogen-doped carbon

AV Iosub, SS Stahl - Organic letters, 2015 - ACS Publications
Dehydrogenation of (partially) saturated heterocycles provides an important route to
heteroaromatic compounds. A heterogeneous cobalt oxide catalyst, previously employed for …

Combining flavin photocatalysis and organocatalysis: metal-free aerobic oxidation of unactivated benzylic substrates

J Zelenka, E Svobodova, J Tarabek, I Hoskovcova… - Organic …, 2018 - ACS Publications
We report a system with ethylene-bridged flavinium salt 2b which catalyzes the aerobic
oxidation of toluenes and benzyl alcohols with high oxidation potential (E ox>+ 2.5 V vs …

Metal-free atom-economical synthesis of tetra-substituted imidazoles via flavin-iodine catalyzed aerobic cross-dehydrogenative coupling of amidines and chalcones

A Takeda, H Okai, K Watabe, H Iida - The Journal of Organic …, 2022 - ACS Publications
Herein, we demonstrated the oxidative cross-dehydrogenative coupling between amidines
and chalcones catalyzed by flavin and iodine. The riboflavin-iodine catalytic system played …

Coupled Flavin-Iodine Redox Organocatalysts: Aerobic Oxidative Transformation from N-Tosylhydrazones to 1,2,3-Thiadiazoles

T Ishikawa, M Kimura, T Kumoi, H Iida - ACS Catalysis, 2017 - ACS Publications
A bioinspired two-component redox organocatalyst system using 1, 10-bridged flavinium
and NH4I was developed to perform environmentally friendly aerobic oxidative ring …

Unexpectedly Simple Synthesis of Benzazoles by tBuONa‐Catalyzed Direct Aerobic Oxidative Cyclocondensation of o‐Thio/Hydroxy/Aminoanilines with Alcohols …

X Shi, J Guo, J Liu, M Ye, Q Xu - Chemistry–A European …, 2015 - Wiley Online Library
Abstract tBuONa‐catalyzed direct aerobic oxidative cyclocondensation reactions of readily
available alcohols and o‐thio/hydroxy/aminoanilines under air have been developed and …

Flavin–iodine coupled organocatalysis for the aerobic oxidative direct sulfenylation of indoles with thiols under mild conditions

R Ohkado, T Ishikawa, H Iida - Green Chemistry, 2018 - pubs.rsc.org
A unique coupled redox organocatalysis system using flavin and iodine catalysts efficiently
promoted the metal-free aerobic oxidative direct sulfenylation of indoles with thiols at …

Artificial flavin systems for chemoselective and stereoselective oxidations

R Cibulka - European Journal of Organic Chemistry, 2015 - Wiley Online Library
Flavinium salts, both isoalloxazinium and alloxazinium derivatives, are useful
organocatalysts of redox reactions, and particularly in recent years, the number of …