Electron-deficient boron-based catalysts for C–H bond functionalisation

Y Ma, SJ Lou, Z Hou - Chemical Society Reviews, 2021 - pubs.rsc.org
In contrast to transition metal-catalysed C–H functionalisation, highly efficient construction of
C–C and C–X (X= N, O, S, B, Si, etc.) bonds through metal-free catalytic C–H …

Main group Lewis acids in frustrated Lewis pair chemistry: beyond electrophilic boranes

SA Weicker, DW Stephan - Bulletin of the Chemical Society of …, 2015 - academic.oup.com
The advent of frustrated Lewis pair (FLP) chemistry almost a decade ago was based on the
reactivity of sterically encumbered combinations of electrophilic boranes and phosphines …

Remote para-C–H Functionalization of Arenes by a D-Shaped Biphenyl Template-Based Assembly

S Bag, T Patra, A Modak, A Deb, S Maity… - Journal of the …, 2015 - ACS Publications
Site-selective C–H functionalization has emerged as an efficient tool in simplifying the
synthesis of complex molecules. Most often, directing group (DG)-assisted metallacycle …

Moisture-tolerant frustrated Lewis pair catalyst for hydrogenation of aldehydes and ketones

A Gyömöre, M Bakos, T Földes, I Pápai… - ACS …, 2015 - ACS Publications
In this paper, we report on the development of a bench-stable borane for frustrated Lewis
pair catalyzed reduction of aldehydes, ketones, and enones. The deliberate fine-tuning of …

Directing group assisted meta-hydroxylation by C–H activation

A Maji, B Bhaskararao, S Singha, RB Sunoj… - Chemical Science, 2016 - pubs.rsc.org
meta-Hydroxylated cores are ubiquitous in natural products. Herein, we disclose the first
template assisted meta-hydroxylation reaction. Experimental and in silico studies helped us …

Selective Monodefluorination and Wittig Functionalization of gem-Difluoromethyl Groups to Generate Monofluoroalkenes

D Mandal, R Gupta, RD Young - Journal of the American …, 2018 - ACS Publications
Monodefluorination of gem-difluoromethyl groups is achieved using a frustrated Lewis pair
(FLP) approach. Triarylphosphines and group 13 Lewis acids were surveyed as FLP …

Catalytic Ketone Hydrodeoxygenation Mediated by Highly Electrophilic Phosphonium Cations

M Mehta, MH Holthausen, I Mallov… - Angewandte Chemie …, 2015 - Wiley Online Library
Ketones are efficiently deoxygenated in the presence of silane using highly electrophilic
phosphonium cation (EPC) salts as catalysts, thus affording the corresponding alkane and …

Oxoammonium-Catalyzed Ether Oxidation via Hydride Abstraction: Methodology Development and Mechanistic Investigation Using Paramagnetic Relaxation …

Y Cheng, J Rein, N Le, S Lin - Journal of the American Chemical …, 2024 - ACS Publications
Hydride abstraction represents a promising yet underexplored approach in the
functionalization of C–H bonds. In this work, we report the oxidation of α-C–H bonds of …

Design principles in frustrated Lewis pair catalysis for the functionalization of carbon dioxide and heterocycles

FG Fontaine, MA Courtemanche, MA Legare… - Coordination Chemistry …, 2017 - Elsevier
This account describes our work on the use of ambiphilic molecules as catalysts for the
reduction of carbon dioxide. Starting with the discovery that aluminum ambiphilic species …

1, 2-Diphosphonium Dication: A Strong P-Based Lewis Acid in Frustrated Lewis Pair (FLP)-Activations of B–H, Si–H, C–H, and H–H Bonds

MH Holthausen, JM Bayne, I Mallov… - Journal of the …, 2015 - ACS Publications
A highly Lewis acidic diphosphonium dication [(C10H6)(Ph2P) 2] 2+(1), in combination with
a Lewis basic phosphine, acts as a purely phosphorus-based frustrated Lewis pair (FLP) …