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 …

Modern applications of low-valent early transition metals in synthesis and catalysis

EP Beaumier, AJ Pearce, XY See… - Nature Reviews Chemistry, 2019 - nature.com
Low-valent early transition metals are often intrinsically highly reactive as a result of their
strong propensity toward oxidation to more stable high-valent states. Harnessing these …

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 …

Ti-catalyzed radical alkylation of secondary and tertiary alkyl chlorides using Michael acceptors

X Wu, W Hao, KY Ye, B Jiang, G Pombar… - Journal of the …, 2018 - ACS Publications
Alkyl chlorides are common functional groups in synthetic organic chemistry. However, the
engagement of unactivated alkyl chlorides, especially tertiary alkyl chlorides, in transition …

Metal‐Catalyzed β‐Functionalization of Michael Acceptors through Reductive Radical Addition Reactions

J Streuff, A Gansäuer - Angewandte Chemie International …, 2015 - Wiley Online Library
Transition‐metal‐catalyzed radical reactions are becoming increasingly important in modern
organic chemistry. They offer fascinating and unconventional ways for connecting molecular …

Enantioselective titanium (III)-catalyzed reductive cyclization of ketonitriles.

J Streuff, M Feurer, P Bichovski, G Frey… - … (International ed. in …, 2012 - europepmc.org
Reduction, please! The title reaction affords α-hydroxyketones, a common structural motif in
biologically active natural products, in good yields and high enantioselectivities at room …

Merging Catalysis in Single Electron Steps with Photoredox Catalysis—Efficient and Sustainable Radical Chemistry

Z Zhang, RB Richrath, A Gansäuer - ACS Catalysis, 2019 - ACS Publications
We describe a combination of catalysts that allows the coupling of titanocene (III) catalysis
with photoredox catalysis. Oxidation of radical intermediates by a photoredox catalyst opens …

Cp2TiCl: An Ideal Reagent for Green Chemistry?

M Castro Rodríguez, I Rodriguez Garcia… - … Process Research & …, 2017 - ACS Publications
The development of Green Chemistry inevitably involves the development of green
reagents. In this review, we highlight that Cp2TiCl is a reagent widely used in radical and …

The Proven Versatility of Cp2TiCl

AR Martínez, LP Morales, ED Ojeda… - The Journal of …, 2020 - ACS Publications
In the last two decades, titanocene monochloride has been postulated as a monoelectronic
transfer reagent capable of catalyzing an important variety of chemical transformations. In …

Titanocene‐Catalyzed Radical Opening of N‐Acylated Aziridines

YQ Zhang, E Vogelsang, ZW Qu, S Grimme… - Angewandte …, 2017 - Wiley Online Library
Aziridines activated by N‐acylation are opened to the higher substituted radical through
electron transfer from titanocene (III) complexes in a novel catalytic reaction. This reaction is …