Recent advances in the dichalcogenation reactions of unsaturated compounds via double functionalization

CS Wang, Y Xu, YL Zhou, CL Zheng… - Organic Chemistry …, 2023 - pubs.rsc.org
The past decade has witnessed significant advancements in the highly selective
dichalcogenation (chalcogen= S, Se, Te) reactions of unsaturated substrates for the …

Recent Developments in Selenylation of Alkynes

Y Xu, D Huang, J Wu, X Wu - Advanced Synthesis & Catalysis, 2024 - Wiley Online Library
Alkynes are simple yet important organic feedstocks. The selenylation of alkynes is able to
produce complex selenium‐containing compounds in a facile way. Although there are some …

Photoinduced Radical Cyclization of 2-Alkynylthioanisoles with Disulfides without an External Photocatalyst

H Yan, FD Wang, M Wang, L Ye… - The Journal of Organic …, 2023 - ACS Publications
An efficient strategy for the synthesis of 3-arylthiobenzo [b] thiophenes via a photodriven
radical cyclization of 2-alkynylthioanisoles with disulfide was developed. The reaction …

[HTML][HTML] Recent advances in the synthesis of selenophenes and their derivatives

PS Hellwig, TJ Peglow, F Penteado, L Bagnoli, G Perin… - Molecules, 2020 - mdpi.com
The selenophene derivatives are an important class of selenium-based heterocyclics. These
compounds play an important role in prospecting new drugs, as well as in the development …

Synthesis of Benzo[b]thiophenes via Electrophilic Sulfur Mediated Cyclization of Alkynylthioanisoles

Z Alikhani, AG Albertson, CA Walter… - The Journal of …, 2022 - ACS Publications
A stable dimethyl (thiodimethyl) sulfonium tetrafluoroborate salt was employed for the
electrophilic cyclization reaction of o-alkynyl thioanisoles for the synthesis of 2, 3 …

Visible-light-induced halocyclization of 2-alkynylthioanisoles with simple alkyl halides towards 3-halobenzo [b] thiophenes without an external photocatalyst

FD Wang, C Wang, M Wang, H Yan, J Jiang… - Organic & Biomolecular …, 2023 - pubs.rsc.org
A new strategy for the preparation of 3-halobenzo [b] thiophenes via a photo-driven
halocyclization/demethylation of 2-alkynylthioanisoles with simple alkyl halides was …

Three‐Component Synthesis of 3‐(Arylsulfonyl) benzothiophenes Using Acetic Acid as a Quencher for Methyl Radical‐Mediated Side Reactions

V Shridhar Bhat, A Lee - Advanced Synthesis & Catalysis, 2023 - Wiley Online Library
A one‐pot, three‐component synthesis of 3‐(arylsulfonyl) benzothiophenes was developed.
The reaction did not require any catalysts or additives. The desired products were obtained …

Transition Metal‐Free Synthesis of Carbo‐and Heterocycles via Reaction of Alkynes with Organylchalcogenides

G Zeni, B Godoi, CK Jurinic, AL Belladona… - 2021 - Wiley Online Library
This manuscript intends to overview the most recent advances in the synthesis of carbo‐and
heterocycles through reactions of alkynes with organyl chalcogenides (S, Se, Te) under …

Synthesis of 3‐Methylthio‐benzo[b]furans/Thiophenes via Intramolecular Cyclization of 2‐Alkynylanisoles/Sulfides Mediated by DMSO/DMSO‐d6 and SOCl2.

B Zhang, X Li, X Li, F Sun, Y Du - Chinese Journal of …, 2021 - search.ebscohost.com
Main observation and conclusion: The reaction of 2‐alkynylanisoles/sulfides with SOCl2 and
DMSO was conducted to conveniently furnish the biologically interesting 3‐(methylthio) …

Benzobischalcogeno [3, 2-c] quinolines: tuning electronic and structural properties with group 16 elements

C Hüßler, MC Dietl, M Scherr, E Butigan… - Organic Chemistry …, 2025 - pubs.rsc.org
Chalcogen-substituted π-extended indolocarbazoles were synthesized through a
nucleophilic cyclization of tethered diynes with sulfur, selenium or tellurium sources …