weakly coordinating
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Nanoscale ◽  
2022 ◽  
Author(s):  
Huta Banjade ◽  
Hong Fang ◽  
Purusottam Jena

Superhalogens are a class of highly electronegative atomic clusters whose electron affinities exceed those of halogens. Due to their potential for promoting unusual reactions and role as weakly coordinating anions...


2021 ◽  
Author(s):  
Zi-Qi Li ◽  
Yilin Cao ◽  
Taeho Kang ◽  
Keary Engle

A multi-component approach to structurally complex organosulfur products is described via the nickel-catalyzed 1,2-carbosulfenylation of unactivated alkenes with organoboron nucleophiles and tailored organosulfur electrophiles. Key to the development of this transformation is the identification of a modular N-alkyl-N-(arylsulfenyl)arenesulfonamide family of sulfur electrophiles. Tuning the electronic and steric properties of the leaving group in these reagents controls pathway selectivity, favoring three-component coupling and suppressing side reactions, as examined via computational studies. The unique syn-stereoselectivity differs from traditional electrophilic sulfenyl transfer processes involving a thiiranium ion intermediate and arises from the directed arylnickel(I) migratory insertion mechanism, as elucidated through reaction kinetics and control experiments. Reactivity and regioselectivity are facilitated by a collection of monodentate, weakly coordinating native directing groups, including sulfonamides, alcohols, amines, amides, and azaheterocycles.


Author(s):  
Thomas Deis ◽  
Fabrizio Medici ◽  
Antoine Poussard-Schulz ◽  
Gilles Lemière ◽  
Louis Fensterbank

ACS Catalysis ◽  
2021 ◽  
pp. 11639-11649
Author(s):  
Leonardo Massignan ◽  
Cuiju Zhu ◽  
Xiaoyan Hou ◽  
João C. A. Oliveira ◽  
Aude Salamé ◽  
...  
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Polyhedron ◽  
2021 ◽  
pp. 115367
Author(s):  
Kelsey R. Cairns ◽  
William Levason ◽  
Gillian Reid ◽  
Wenjian Zhang

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