Transition-metal-catalyzed C–S, C–Se, and C–Te bond formations via cross-coupling and atom-economic addition reactions. Achievements and challenges

IP Beletskaya, VP Ananikov - Chemical Reviews, 2022 - ACS Publications
In the present review, we discuss recent progress in the field of C–Z bond formation
reactions (Z= S, Se, Te) catalyzed by transition metals. Two complementary methodologies …

Synthesis of organoselenium compounds with elemental selenium

YT Ma, MC Liu, YB Zhou, HY Wu - Advanced Synthesis & …, 2021 - Wiley Online Library
In the recent decade, growing efforts have been devoted to employing elemental selenium
as a selenium source in organic synthesis. In contrast to unstable, smelly, and toxic previous …

Electrochemical Radical Selenylation of Alkenes and Arenes via Se–Se Bond Activation

L Sun, L Wang, H Alhumade, H Yi, H Cai, A Lei - Organic Letters, 2021 - ACS Publications
A novel electrochemical radical selenylation of alkenes and activated arenes without
external oxidants is reported. The diselenide was fully transformed into Se-centered radicals …

Temperature-controlled chalcogenation and chalcogenocyanation of imidazopyridines in water under transition metal-free conditions

YS Zhu, Y Xue, W Liu, X Zhu, XQ Hao… - The Journal of Organic …, 2020 - ACS Publications
A sustainable and transition metal-free approach for C3 chalcogenation and
chalcogenocyanation of imidazopyridines with KXCN (X= S or Se) has been developed …

Organic Selenocyanates: Rapid Advancements and Applicationsin the Field of Organic Chemistry

PG Karmaker, F Huo - Asian Journal of Organic Chemistry, 2022 - Wiley Online Library
The incorporation of the cyanato‐chalcogen group (OCN, SCN, and SeCN) has piqued the
interest of many researchers in the field of modern organic synthetic chemistry …

Organoboron compounds as versatile reagents in the transition metal-catalyzed C–S, C–Se and C–Te bond formation

AM Barcellos, M Sacramento, GP da Costa… - Coordination Chemistry …, 2021 - Elsevier
Organochalcogen compounds present synthetic and biological applications of extreme
relevance. The coupling reaction between boronic acids, borate anions or boronic esters …

Photoredox-catalyzed intermolecular radical arylthiocyanation/arylselenocyanation of alkenes: access to aryl-substituted alkylthiocyanates/alkylselenocyanates

IU Hoque, SR Chowdhury, S Maity - The Journal of Organic …, 2019 - ACS Publications
An efficient and highly selective approach for intermolecular arylthiocyanation/
arylselenocyanation of alkenes has been reported under mild conditions. Using diazonium …

Transition-metal-free iodine catalyzed selenocayanation of styrenyl bromides and an easy access to benzoselenophenes via intermediacy of styrenyl selenocyanate

P Maity, B Paroi, BC Ranu - Organic letters, 2017 - ACS Publications
A convenient procedure has been developed for the synthesis of styrenyl selenocyanates
and benzoselenophenes from readily available styrenyl bromides by reaction with …

NCS-promoted thiocyanation and selenocyanation of pyrrolo [1, 2-a] quinoxalines

Z Yang, J He, Y Wei, W Li, P Liu, J Zhao… - Organic & Biomolecular …, 2020 - pubs.rsc.org
An efficient NCS-promoted thiocyanation of pyrrolo [1, 2-a] quinoxalines with NH4SCN or
KSCN is described. A series of diverse 1-thiocyanatopyrrolo [1, 2-a] quinoxalines were …

A benzoyl peroxide/diphenyl diselenide binary system for functionalization of alkynes leading to alkenyl and alkynyl selenides

S Kodama, T Saeki, K Mihara… - The Journal of …, 2017 - ACS Publications
Binary systems consisting of benzoyl peroxide (BPO) and diorganyl diselenide are effective
in the selective benzoyloxyselenation of internal alkynes to afford the corresponding β …