Mechanism of the Palladium-Catalyzed C(sp3)–H Arylation of Aliphatic Amines: Unraveling the Crucial Role of Silver(I) Additives

W Feng, T Wang, D Liu, X Wang, Y Dang - ACS Catalysis, 2019 - ACS Publications
DFT calculations have been combined with experiments to study the mechanism of γ-C
(sp3)–H arylation of aliphatic amines promoted by palladium–glyoxylic acid cooperative …

Ligand-Enabled Palladium(II)-Catalyzed γ-C(sp3)–H Arylation of Primary Aliphatic Amines

CH Yuan, L Jiao - Organic Letters, 2023 - ACS Publications
The Pd (II)/sulfoxide-2-hydroxypyridine catalytic system shows promising activity in C–H
activation chemistry. In this study, we showcase how this catalytic system solves the problem …

Mechanism and Stereoselectivity of Directed C(sp3)–H Activation and Arylation Catalyzed by Pd(II) with Pyridine Ligand and Trifluoroacetate: A Computational Study

J Jiang, JQ Yu, K Morokuma - ACS Catalysis, 2015 - ACS Publications
Density functional theory (DFT) calculations were conducted to elucidate the mechanism of
a novel Pd (II) catalyzed C (sp3)–H activation and the subsequent arylation reactions of …

Palladium-Catalyzed C–H Amination of C(sp2) and C(sp3)–H Bonds: Mechanism and Scope for N-Based Molecule Synthesis

YN Timsina, BF Gupton, KC Ellis - ACS Catalysis, 2018 - ACS Publications
Nitrogen-containing compounds are the most common structural architectures in drug
candidates, natural and biological products, and small-molecule therapeutics. Within the …

Palladium‐Catalyzed C(sp3)−H Arylation of Primary Amines Using a Catalytic Alkyl Acetal to Form a Transient Directing Group

S St John‐Campbell, AK Ou… - Chemistry–A European …, 2018 - Wiley Online Library
C− H Functionalization of amines is a prominent challenge due to the strong complexation of
amines to transition metal catalysts, and therefore typically requires derivatization at nitrogen …

The stabilizing effect of the transient imine directing group in the Pd (ii)-catalyzed C (sp 3)–H arylation of free primary amines

XX Hu, JB Liu, LL Wang, F Huang, CZ Sun… - Organic Chemistry …, 2018 - pubs.rsc.org
A transient directing group (DG) has been successfully applied to assist the activation of C–
H bonds. In this paper, we have performed density functional theory (DFT) calculations to …

How Does Palladium–Amino Acid Cooperative Catalysis Enable Regio- and Stereoselective C(sp3)–H Functionalization in Aldehydes and Ketones? A DFT …

W Liu, J Zheng, Z Liu, W Hu, X Wang, Y Dang - ACS Catalysis, 2018 - ACS Publications
Density functional theory computations have elucidated the detailed mechanism and
intriguing selectivities of C (sp3)–H activation and arylation of aldehydes and ketones …

Multiple roles of silver salts in palladium-catalyzed C–H activations

KL Bay, YF Yang, KN Houk - Journal of Organometallic Chemistry, 2018 - Elsevier
Abstract Many Pd-catalyzed C–H functionalization reactions utilize stoichiometric Ag (I)-salts
as additives. Ag additives are typically used either as a terminal oxidant or as a halide …

Deciphering the role of silver in palladium-catalyzed C–H functionalizations

T Bhattacharya, S Dutta, D Maiti - ACS Catalysis, 2021 - ACS Publications
Over the years, silver salts have become an integral part of palladium-catalyzed C–H
functionalization. Although most of the research works highlight the role of Ag (I) complexes …

Directed Palladium-Catalyzed γ-C(sp3)–H Alkenylation of (Aza and Oxa) Cyclohexanamines with Bromoalkenes: Bromide Precipitation as an Alternative to Silver …

K Gadde, NR Bheemireddy, J Heitkämper… - ACS …, 2024 - ACS Publications
Directed palladium-catalyzed coupling of remote C (sp3)–H bonds of aliphatic amines with
organohalides is a powerful synthetic tool. However, these reactions still possess limitations …