Enantioselective radical reactions using chiral catalysts

S Mondal, F Dumur, D Gigmes, MP Sibi… - Chemical …, 2022 - ACS Publications
Benefiting from the impressive increase in fundamental knowledge, the last 20 years have
shown a continuous burst of new ideas and consequently a plethora of new catalytic …

Ti-Catalyzed and-Mediated Oxidative Amination Reactions

IA Tonks - Accounts of chemical research, 2021 - ACS Publications
Conspectus Titanium is an attractive metal for catalytic reaction development: it is earth-
abundant, inexpensive, and generally nontoxic. However—like most early transition metals …

A Chiral Titanocene Complex as Regiodivergent Photoredox Catalyst: Synthetic Scope and Mechanism of Catalyst Generation

Z Zhang, D Slak, T Krebs, M Leuschner… - Journal of the …, 2023 - ACS Publications
We describe a combined synthetic, spectroscopic, and computational study of a chiral
titanocene complex as a regiodivergent photoredox catalyst (PRC). With Kagan's complex …

Titanocene (III)‐Catalyzed Precision Deuteration of Epoxides

DSG Henriques, E Rojo‐Wiechel… - Angewandte Chemie …, 2022 - Wiley Online Library
We describe a titanocene (III)‐catalyzed deuterosilylation of epoxides that provides β‐
deuterated anti‐Markovnikov alcohols with excellent D‐incorporation, in high yield, and …

Polymethylhydrosiloxane (PMHS) as Sustainable Reductant in the Titanocene Catalyzed Epoxide Hydrosilylation

JH Schacht, S Wu, S Klare, S Höthker… - …, 2022 - Wiley Online Library
Here, we describe that polymethylhydrosiloxane (PMHS) is a sustainable terminal reductant
in the titanocene catalyzed hydrosilylation of epoxides. The products formally constitute the …

Converging Stereodivergent Reactions: Highly Stereoselective Formal anti‐Markovnikov Addition of H2O to Mixtures of Olefins

S Höthker, R Mika, H Goli… - Chemistry–A European …, 2023 - Wiley Online Library
We describe a highly diastereo‐and enantioselective two‐step formal anti‐Markovnikov
addition of H2O to diastereomeric mixtures of trisubstituted olefins. Our approach overcomes …

Understanding the color change of the solutions of Cp2TiCl upon addition of water

AR Martínez, L Enríquez, M Jaraíz… - Applied …, 2023 - Wiley Online Library
Reduction of red bis (cyclopentadienyl) titanium (IV) dichloride (Cp2TiCl2) with manganese
dust in dry THF produces a green solution that turns deep blue upon the addition of traces of …

Synthesis of Succinonitrile Derivatives by Homocoupling from Cyanohydrin Derivatives with a Low-Valent Titanium Reagent

K Matsunaga, R Endo, K Nagasawa… - The Journal of …, 2022 - ACS Publications
A method is described for synthesizing succinonitrile derivatives bearing alkyl or aryl
substituents from cyanohydrin derivatives using low-valent titanium. The active species in …

Ring‐Opening Intramolecular Arylation of 1, 2‐Disubtituted Epoxides with Tuneable Stereoselectivity

CC Zhao, C Shen, B Wang, L Rong… - European Journal of …, 2024 - Wiley Online Library
A method of stereodivergent intramolecular ring‐opening arylation of amine‐tethered
epoxides to 3, 4‐disubstituted tetrahydroquinolines has been developed. The tuneable good …

Cp2TiCl/H2O as a Sustainable System for the Reduction of Organic Functional Groups: Potential Application of Cp2TiCl/D2O to the Analysis of Bioactive Phenols in …

A Rosales Martínez, JF García-Martín… - Processes, 2023 - mdpi.com
Significant efforts have been made toward developing sustainable reduction reactions of
organic and bioorganic compounds. In these studies, the selection of reagents and solvents …