Titanium catalysis for the synthesis of fine chemicals–development and trends

M Manßen, LL Schafer - Chemical Society Reviews, 2020 - pubs.rsc.org
Titanium is the second most abundant transition metal and is already a key player in
important industrial processes (eg polyethylene). Titanium is an attractive metal to use for …

Catalytic cascade reactions by radical relay

HM Huang, MH Garduño-Castro, C Morrill… - Chemical Society …, 2019 - pubs.rsc.org
Radical cascade reactions are an attractive tool for the rapid construction of complex
molecular architectures. Although a large number of powerful radical cascades have been …

Formal Cycloadditions Driven by the Homolytic Opening of Strained, Saturated Ring Systems

AS Harmata, BJ Roldan… - Angewandte Chemie …, 2023 - Wiley Online Library
The field of strain‐driven, radical formal cycloadditions is experiencing a surge in activity
motivated by a renaissance in free radical chemistry and growing demand for sp3‐rich ring …

Enantioconvergent amination of racemic tertiary C–H bonds

K Lang, C Li, I Kim, XP Zhang - Journal of the American Chemical …, 2020 - ACS Publications
Racemization is considered to be an intrinsic stereochemical feature of free radical
chemistry as can be seen in traditional radical halogenation reactions of optically active …

Asymmetric radical cyclopropanation of alkenes with in situ-generated donor-substituted diazo reagents via Co (II)-based metalloradical catalysis

Y Wang, X Wen, X Cui, L Wojtas… - Journal of the American …, 2017 - ACS Publications
Donor-substituted diazo reagents, generated in situ from sulfonyl hydrazones in the
presence of base, can serve as suitable radical precursors for Co (II)-based metalloradical …

Enantioselective intermolecular radical C–H amination

LM Jin, P Xu, J Xie, XP Zhang - Journal of the American Chemical …, 2020 - ACS Publications
Radical reactions hold a number of inherent advantages in organic synthesis that may
potentially impact the planning and practice for construction of organic molecules. However …

Recent advances in titanium radical redox catalysis

T McCallum, X Wu, S Lin - The Journal of Organic Chemistry, 2019 - ACS Publications
New catalytic strategies that leverage single-electron redox events have provided chemists
with useful tools for solving synthetic problems. In this context, Ti offers opportunities that are …

Metalloradical Catalysis: General Approach for Controlling Reactivity and Selectivity of Homolytic Radical Reactions

WCC Lee, XP Zhang - Angewandte Chemie International …, 2024 - Wiley Online Library
Since Friedrich Wöhler's groundbreaking synthesis of urea in 1828, organic synthesis over
the past two centuries has predominantly relied on the exploration and utilization of …

Enantioselective radical construction of 5-membered cyclic sulfonamides by metalloradical C–H amination

Y Hu, K Lang, C Li, JB Gill, I Kim, H Lu… - Journal of the …, 2019 - ACS Publications
Both arylsulfonyl and alkylsulfonyl azides can be effectively activated by the cobalt (II)
complexes of D 2-symmetric chiral amidoporphyrins for enantioselective radical 1, 5-C–H …

Radicals in organic synthesis. Part 1

GJ Rowlands - Tetrahedron, 2009 - Elsevier
From its humble origins as a mere 'chemical curiosity,'radical chemistry has developed into
one of the most powerful tools for preparative organic synthesis. Initially considered too …