Visible‐Light‐Mediated Photocatalytic Synthesis of 2‐Substituted Oxazole‐5‐carbaldehydes Promoted by Benzeneseleninic Acid

L Abenante, GT Quadros, G Perin… - European Journal of …, 2022 - Wiley Online Library
Benzeneseleninic acid was used under visible light irradiation (white LEDs) to promote the
oxidative cyclization of N‐propargyl amides to the respective 2‐substituted oxazole‐5 …

Preparation of Oxazole Acetals from N‐Propargylamides Enabled by Visible‐Light‐Promoted Selenium‐π‐Acid Catalysis

XY Wang, QB Zhang, XL Jin, LZ Wu, Q Liu - ChemPhotoChem, 2021 - Wiley Online Library
An unprecedented catalytic system consisting of diselenides, Selectfluor and visible light
has been developed for the one‐pot synthesis of oxazole acetals from N‐propargylamides …

9, 10-phenanthrenedione as visible-light photoredox catalyst: A green methodology for the functionalization of 3, 4-dihydro-1, 4-benzoxazin-2-ones through a Friedel …

J Rostoll-Berenguer, G Blay, JR Pedro, C Vila - Catalysts, 2018 - mdpi.com
A visible-light photoredox functionalization of 3, 4-dihydro-1, 4-benzoxazin-2-ones through a
Friedel-Crafts reaction with indoles using an inexpensive organophotoredox catalyst is …

Visible Light‐Induced Redox‐Neutral Selenocyclization of ortho‐Vinylanilides: Oxygen‐Controlled Synthesis of 4H‐3,1‐Benzoxazines

YT Hong, J Park, HY Kim, K Oh - Advanced Synthesis & …, 2024 - Wiley Online Library
A visible‐light‐induced selenocyclization of ortho‐vinylanilides to 4H‐3, 1‐benzoxazines
has been developed under controlled O2 atmosphere. The low O2 content in reaction …

Synthesis of 3‐Arylselanyl Benzothiophenes through Visible‐Light‐Mediated Radical Cyclization

S KP, A Lee - European Journal of Organic Chemistry, 2023 - Wiley Online Library
A novel method for synthesizing 3‐arylselanyl benzothiophenes through visible‐light‐
mediated radical cyclization was developed. Diaryl selenides were used as aryl selenium …

Visible Light‐Induced Synthetic Approach for Selenylative Spirocyclization of N‐Aryl Alkynamides with Molecular Oxygen as Oxidant

H Sahoo, A Mandal, S Dana… - Advanced Synthesis & …, 2018 - Wiley Online Library
A visible light‐induced (blue LED) radical cascade has been devised to effect selenylative
spirocyclization of N‐aryl alkynamides at room temperature under oxygen atmosphere and …

Visible light-induced tandem oxidative cyclization of 2-alkynylanilines with disulfides (diselenides) to 3-sulfenyl-and 3-selenylindoles under transition metal-free and …

Q Shi, P Li, Y Zhang, L Wang - Organic Chemistry Frontiers, 2017 - pubs.rsc.org
A simple and efficient strategy for the synthesis of 3-sulfenyl and 3-selenyl indoles via a
visible light-induced tandem cyclization of 2-alkynylanilines with disulfides (diselenides) was …

Visible-light assisted one-pot preparation of aryl glyoxals from acetoarylones via in-situ arylacyl bromides formation: Selenium-free approach to acetoarylones …

P Natarajan, N Kumar, S Devi, K Mer - Tetrahedron Letters, 2017 - Elsevier
A novel visible-light (blue LEDs: hν= 425±15 nm) photocatalyzed one-pot method for the
synthesis of electronically diverse aryl glyoxals in good to excellent yields from …

Visible light photoredox catalysis for the synthesis of 2-amino-1, 3, 4-oxadiazoles via aerobic cyclodesulfurization of thiosemicarbazides

B Yadav, AK Yadav, VP Srivastava, SK Srivastava - Tetrahedron Letters, 2023 - Elsevier
A convenient and efficient synthesis of 2-amino-1, 3, 4-oxadiazoles from N-acyl
thiosemicarbazides employing aerobic visible light photoredox catalysis is reported. The …

Metal‐free synthesis of unsymmetrical aryl selenides and tellurides via visible light‐driven activation of arylazo sulfones

J Liu, M Tian, Y Li, X Shan, A Li, K Lu… - European Journal of …, 2020 - Wiley Online Library
A protocol for the visible light driven preparation of unsymmetrical (hetero) aryl selenides
and tellurides is described herein. The method exploits the peculiar photoreactivity of …