Methods utilizing first-row transition metals in natural product total synthesis

JE Zweig, DE Kim, TR Newhouse - Chemical Reviews, 2017 - ACS Publications
First-row transition-metal-mediated reactions constitute an important and growing area of
research due to the low cost, low toxicity, and exceptional synthetic versatility of these …

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 …

Iron-Mediated Photochemical Anti-Markovnikov Hydroazidation of Unactivated Olefins

H Lindner, WM Amberg… - Journal of the American …, 2023 - ACS Publications
Unactivated olefins are converted to alkyl azides with bench-stable NaN3 in the presence of
FeCl3· 6H2O under blue-light irradiation. The products are obtained with anti-Markovnikov …

[PDF][PDF] Water: the ideal hydrogen-atom source in free-radical chemistry mediated by TiIII and other single-electron-transfer metals?

JM Cuerva, AG Campaña, J Justicia… - … EDITION IN ENGLISH …, 2006 - academia.edu
The reactivity of water with both carbanion and carbocation intermediates is well known, but
until now it has generally been believed that water is inert towards free radicals.[1] This …

Eudesmane sesquiterpenoids from the Asteraceae family

QX Wu, YP Shi, ZJ Jia - Natural product reports, 2006 - pubs.rsc.org
Covering: 1983 to 2005 This review covers the structures and biological activities of
eudesmane-type sesquiterpenoids from the plants of the Asteraceae family. Biosynthetic …

Cytotoxic Sesquiterpene Lactones from the Root of Saussurea lappa

CM Sun, WJ Syu, MJ Don, JJ Lu… - Journal of natural …, 2003 - ACS Publications
Bioassay-directed fractionation of Saussurea lappa led to the isolation of a novel
lappadilactone (1) and seven sesquiterpene lactones (2− 8) as cytotoxic principles against …

Understanding the Exceptional Hydrogen-Atom Donor Characteristics of Water in TiIII-Mediated Free-Radical Chemistry

M Paradas, AG Campana, T Jiménez… - Journal of the …, 2010 - ACS Publications
In recent years solid evidence of HAT reactions involving water as hydrogen atom source
have been presented. In this work we demonstrate that the efficiency of titanocene (III) aqua …

Titanocene‐Catalyzed Cascade Cyclization of Epoxypolyprenes: Straightforward Synthesis of Terpenoids by Free‐Radical Chemistry

J Justicia, A Rosales, E Buñuel… - … A European Journal, 2004 - Wiley Online Library
The titanocene‐catalyzed cascade cyclization of epoxypolyenes, which are easily prepared
from commercially available polyprenoids, has proven to be a useful procedure for the …

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 …

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 …