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 …

Iminyl radical-triggered relay annulation for the construction of bridged aza-tetracycles bearing four contiguous stereogenic centers

K Jiang, SJ Li, QP Liu, N Yu, YL Li, YQ Zhou… - Chemical …, 2022 - pubs.rsc.org
Bridged tetracyclic nitrogen scaffolds are found in numerous biologically active molecules
and medicinally relevant structures. Traditional methods usually require tedious reaction …

Synthetic Approaches to Non-Tropane, Bridged, Azapolycyclic Ring Systems Containing Seven-Membered Carbocycles

AH Shoemaker, DR Griffith - Synthesis, 2021 - thieme-connect.com
This Short Review highlights various synthetic approaches to bridged azabicyclic ring
systems containing seven-membered carbocyclic rings. Such ring systems are common to a …

Reactions of Aldehydes and Ketones and their Derivatives

BA Murray - Organic Reaction Mechanisms 2011: An annual …, 2014 - Wiley Online Library
Carbohydrate‐based benzylidene acetals undergo reductive ring opening. 1‐β‐O‐Acyl
glucoside conjugates of phenylacetic acids have been synthesized, and their acyl migration …

Addition of novel benzylmagnesium “ate” complexes of BnR2MgLi type to 2-(thio) pyridones and related compounds

JG Sośnicki, T Idzik, A Borzyszkowska, E Wróblewski… - Tetrahedron, 2017 - Elsevier
Abstract Novel benzylation reagents BnR 2 MgLi were obtained by mixing
benzylmagnesium chloride (BnMgCl) and appropriate organolithium compounds (RLi). As …

12.03-Metal-Mediated Reductive C–C Coupling of π Bonds

Y Cheng, SK Butler, DN Huh… - … Chemistry IV: Volume 1-15, 2022 - experts.umn.edu
Molecular complexity is, to a large extent, dependent on the linkage-and functionality-
complexity of the molecule's backbone. In many cases, the formation of relatively inert C–C …

[PDF][PDF] Facile Syntheses of Aminocyclopropanes: N, N-Dibenzyl-N-(2-ethenylcyclopropyl) amine [Benzenemethanamine, N-(2-ethenylcyclopropyl)-N-(phenylmethyl)]

A de Meijere, SI Kozhushkov - Org. Synth, 2018 - orgsyn.org
Since the original report in 1996, 2 the transformations of N, N-dialkylcarboxamides with 1, 2-
dicarbanionic organometallics in situ generated from organomagnesium (Grignard) as well …

[PDF][PDF] 2, 3-Methanopyrrolidines: Synthesis and Ring-opening Transformations

Y Six - Targets in Heterocyclic Systems, 2018 - chim.it
New methods for the preparation of 2-azabicyclo [3.1. 0] hexane compounds (2, 3-
methanopyrrolidines) have been developed over the past three decades. Once viewed as …

Pushing the limits of the organometallic chemistry of titanium: carboxylation of alkynes using carbon dioxide and cyclotrimerization reactions

G Siemiaszko - 2018 - theses.hal.science
This thesis describes novel [2+ 2+ 2] homotrimerisation and heterotrimerisation reactions
and carboxylation of alkynes using CO2 using the nBuLi/Ti (OiPr) 4 system. This …