Transition-metal-catalyzed C–H bond alkylation using olefins: recent advances and mechanistic aspects

D Mandal, S Roychowdhury, JP Biswas… - Chemical Society …, 2022 - pubs.rsc.org
Transition metal catalysis has contributed immensely to C–C bond formation reactions over
the last few decades, and alkylation is no exception. The superiority of such methodologies …

Transition-Metal-Catalyzed Divergent C–H Functionalization of Five-Membered Heteroarenes

S Jeong, JM Joo - Accounts of Chemical Research, 2021 - ACS Publications
Conspectus Conversion of common reactants to diverse products is a key objective of
organic syntheses. Recent developments in transition-metal-catalyzed C–H functionalization …

A machine-learning tool to predict substrate-adaptive conditions for Pd-catalyzed C–N couplings

NI Rinehart, RK Saunthwal, J Wellauer, AF Zahrt… - Science, 2023 - science.org
Machine-learning methods have great potential to accelerate the identification of reaction
conditions for chemical transformations. A tool that gives substrate-adaptive conditions for …

High-level data fusion enables the chemoinformatically guided discovery of chiral disulfonimide catalysts for atropselective iodination of 2-amino-6-arylpyridines

BT Rose, JC Timmerman, SA Bawel… - Journal of the …, 2022 - ACS Publications
The atropselective iodination of 2-amino-6-arylpyridines catalyzed by chiral disulfonimides
(DSIs) is described. Key to the development of this transformation was the use of a …

Accessing Diverse Azole Carboxylic Acid Building Blocks via Mild C–H Carboxylation: Parallel, One-Pot Amide Couplings and Machine-Learning-Guided Substrate …

S Felten, CQ He, M Weisel, M Shevlin… - Journal of the …, 2022 - ACS Publications
This manuscript describes a mild, functional group tolerant, and metal-free C–H
carboxylation that enables direct access to azole-2-carboxylic acids, followed by amide …

DalPhos/Nickel-Catalyzed C2–H Arylation of 1, 3-Azoles Using a Dual-Base System

NE Bodé, M Stradiotto - Organic Letters, 2023 - ACS Publications
We report a versatile method for C2 functionalization of (benz) oxazoles and (benzo)
thiazoles employing a tert-butylimino-tri (pyrrolidino) phosphorane/sodium trifluoroacetate …

Recent advances in transition-metal-free late-stage CH and NH arylation of heteroarenes using diaryliodonium salts

T Besson, C Fruit - Pharmaceuticals, 2021 - mdpi.com
Transition-metal-free direct arylation of CH or NH bonds is one of the key emerging
methodologies that is currently attracting tremendous attention. Diaryliodonium salts serve …

Synthesis of 2-benzyl benzoxazoles and benzothiazoles via elemental sulfur promoted cyclization of styrenes with 2-nitrophenols and N, N-dialkyl-3-nitroanilines

TK Chau, NT Ho, TH Ho, AT Nguyen… - Organic & …, 2024 - pubs.rsc.org
Herein we report a method for affording 2-benzyl benzoxazoles from substituted styrenes
and 2-nitrophenols. The success of this method relies on the use of simple reagents, namely …

Optimal Balance in the Catalyst Dynamics Enables C(2)−H Arylation of (Benz)imidazoles and (Benz)oxazoles by an In Situ‐Generated Ni/NHC System

OV Khazipov, KE Shepelenko, SB Soliev… - …, 2022 - Wiley Online Library
An efficient method for the C (2)− H arylation of (benz) imidazoles and (benz) oxazoles with
aryl chlorides and aryl bromides under Ni/NHC catalysis has been developed. The main …

Unusual Regioselective C–H Difluoroalkylation of Heteroarenes under Photoredox Catalysis

S Laru, S Ghoshal, P Sarkar, A Hajra - Organic Letters, 2024 - ACS Publications
We disclose a new general strategy for the site-selective difluoroalkylation of
nonprefunctionalized heteroarenes, such as quinoxaline at the C-8 position, and …