H-bonded counterion-directed enantioselective Au (I) catalysis

A Franchino, A Martí… - Journal of the American …, 2022 - ACS Publications
A new strategy for enantioselective transition-metal catalysis is presented, wherein a H-bond
donor placed on the ligand of a cationic complex allows precise positioning of the chiral …

Hydrogen bonding-enabled gold catalysis: ligand effects in gold-catalyzed cycloisomerizations in hexafluoroisopropanol (HFIP)

NV Tzouras, A Gobbo, NB Pozsoni… - Chemical …, 2022 - pubs.rsc.org
Gold catalysis has witnessed immense evolution in recent years, yet it still requires the use
of activators to render the common [AuCl (L)] complexes catalytically active. Herein, the H …

Enantioselective Au (I)-catalyzed multicomponent annulations via tethered counterion-directed catalysis

Z Zhang, N Sabat, G Frison, A Marinetti… - ACS …, 2022 - ACS Publications
Gold (I) complexes of a chiral phosphoric acid-functionalized phosphine of the CPA-Phos
series enable the enantioselective multicomponent reactions between aldehydes …

Hexafluoroisopropanol (HFIP) as a multifunctional agent in gold-catalyzed cycloisomerizations and sequential Transformations

NV Tzouras, LP Zorba, E Kaplanai, N Tsoureas… - ACS …, 2023 - ACS Publications
Despite the unique position of gold catalysis in contemporary organic synthesis, this area of
research is notorious for requiring activators and/or additives that enable catalysis by …

Ligand-enabled sustainable gold catalysis

A Kumar, NT Patil - ACS Sustainable Chemistry & Engineering, 2022 - ACS Publications
Gold catalysis has emerged as an efficient tool in the field of synthetic organic chemistry.
Despite the significant progress, the need for high catalyst loadings has mainly hampered its …

Recent advancements in novel sensing systems through nanoarchitectonics

K Velu, RG Shrestha, LK Shrestha, K Ariga - Biosensors, 2023 - mdpi.com
The fabrication of various sensing devices and the ability to harmonize materials for a higher
degree of organization is essential for effective sensing systems. Materials with …

Halogen bond activation in gold catalysis

HF Jónsson, D Sethio, J Wolf, SM Huber… - ACS …, 2022 - ACS Publications
Gold catalysis has, over the past decades, provided innovative organic transformations
under mild conditions with high chemoselectivities. It receives steadily growing attention …

Silver‐Free Au (I) Catalysis Enabled by Bifunctional Urea‐and Squaramide‐Phosphine Ligands via H‐Bonding

A Franchino, À Martí, S Nejrotti… - … –A European Journal, 2021 - Wiley Online Library
A library of gold (I) chloride complexes with phosphine ligands incorporating pendant (thio)
urea and squaramide H‐bond donors was prepared with the aim of promoting chloride …

Dicoordinate Au (I)–Ethylene Complexes as Hydroamination Catalysts

M Navarro, MG Alférez, M de Sousa… - ACS …, 2022 - ACS Publications
A series of gold (I)–ethylene π-complexes containing a family of bulky phosphine ligands
has been prepared. The use of these sterically congested ligands is crucial to stabilize the …

N-Heterocyclic Carbenes with Polyfluorinated Groups at the 4- and 5-Positions from [3 + 2] Cycloadditions between Formamidinates and cis-1,2-Difluoroalkene …

M Ohashi, K Ando, S Murakami… - Journal of the …, 2023 - ACS Publications
We herein report the formation of fluorinated N-heterocyclic carbenes (NHCFs) that bear
fluorine atoms at the 4-and 5-positions of the imidazol-2-ylidene ring. Treatment of sodium …