Organic synthesis using nitroxides

D Leifert, A Studer - Chemical Reviews, 2023 - ACS Publications
Nitroxides, also known as nitroxyl radicals, are long-lived or stable radicals with the general
structure R1R2N–O•. The spin distribution over the nitroxide N and O atoms contributes to …

Insights into single-electron-transfer processes in frustrated Lewis pair chemistry and related donor–acceptor systems in main group chemistry

LJC van der Zee, S Pahar, E Richards… - Chemical …, 2023 - ACS Publications
The activation and utilization of substrates mediated by Frustrated Lewis Pairs (FLPs) was
initially believed to occur solely via a two-electron, cooperative mechanism. More recently …

The broadening reach of frustrated Lewis pair chemistry

DW Stephan - Science, 2016 - science.org
BACKGROUND Since the work of Sabatier 100 year ago, chemists have turned almost
exclusively to metals to activate H2 by weakening or cleaving its central bond. This …

Frustrated lewis pairs

DW Stephan - Journal of the American Chemical Society, 2015 - ACS Publications
The articulation of the notion of “frustrated Lewis pairs”(FLPs), which emerged from the
discovery that H2 can be reversibly activated by combinations of sterically encumbered …

Frustrated Lewis pair chemistry of carbon, nitrogen and sulfur oxides

DW Stephan, G Erker - Chemical Science, 2014 - pubs.rsc.org
Frustrated Lewis pairs have been used to activate a variety of small molecules. In this review
we focus on the recent chemistry of FLPs with CO2, CO, N2O, NO and SO2. While FLP …

Metal‐free hydrogenation of unsaturated hydrocarbons employing molecular hydrogen

J Paradies - Angewandte Chemie International Edition, 2014 - Wiley Online Library
The metal‐free activation of hydrogen by frustrated Lewis pairs (FLPs) is a valuable method
for the hydrogenation of polarized unsaturated molecules ranging from imines, enamines …

Radicals derived from Lewis acid/base pairs

LL Liu, DW Stephan - Chemical Society Reviews, 2019 - pubs.rsc.org
While conventional approaches to stabilizing main group radicals have involved the use of
Lewis acids or bases, this tutorial review focuses on new avenues to main group radicals …

Frustrated radical pairs: insights from EPR spectroscopy

A Dasgupta, E Richards… - Angewandte Chemie …, 2021 - Wiley Online Library
Progress in frustrated Lewis pair (FLP) chemistry has revealed the importance of the main
group elements in catalysis, opening new avenues in synthetic chemistry. Recently, new …

Ring-Opening Polymerization with Zn(C6F5)2-Based Lewis Pairs: Original and Efficient Approach to Cyclic Polyesters

E Piedra-Arroni, C Ladavière, A Amgoune… - Journal of the …, 2013 - ACS Publications
Dual systems combining Zn (C6F5) 2 with an organic base (an amine or a phosphine)
promote the controlled ring-opening polymerization of lactide and ε-caprolactone. The Lewis …

Reactions of phosphorus/boron frustrated Lewis pairs with SO 2

M Sajid, A Klose, B Birkmann, L Liang, B Schirmer… - Chemical …, 2013 - pubs.rsc.org
The frustrated Lewis pair tBu3P/B (C6F5) 3 (1) readily adds SO2 to yield the zwitterionic
adduct tBu3P+–S (O)–OB−(C6F5) 3 (3). A series of intramolecular vicinal P/B FLPs Mes2P …