Claisen rearrangement over the past nine decades

AM Martín Castro - Chemical Reviews, 2004 - ACS Publications
The discovery of the Claisen rearrangement almost a century ago1 offered a potentially
useful synthetic tool to the organic chemist. Over the decades this usefulness has been …

Rare-earth metal triflates in organic synthesis

S Kobayashi, M Sugiura, H Kitagawa… - Chemical …, 2002 - ACS Publications
Lewis-acid (LA)-catalyzed reactions are of great interest because of their unique reactivities
and selectivities and mild reaction conditions used. 1, 2 A wide variety of reactions using …

[3,3]‐Sigmatropic Rearrangements of Naphthyl 1‐Propargyl Ethers: para‐Propargylation and Catalytic Asymmetric Dearomatization

L Wang, Y Zhou, Z Su, F Zhang, W Cao… - Angewandte Chemie …, 2022 - Wiley Online Library
The para‐Claisen rearrangement of aryl 1‐propargyl ethers involves two‐step [3, 3]‐
sigmatropic rearrangements and dearomatization process, which has high activation …

Catalysis of the Claisen rearrangement

KC Majumdar, S Alam, B Chattopadhyay - Tetrahedron, 2008 - Elsevier
Since its discovery in 1912, 1 the Claisen rearrangement has become one of the most
widely used synthetic tools for the organic chemist. For synthetic purposes, the Claisen …

Asymmetric transfer of nitrenes catalyzed by chiral dirhodium (II) using aromatic sulfamate esters

C Fruit, P Müller - Tetrahedron: Asymmetry, 2004 - Elsevier
Enantioselective intra-and intermolecular insertions of aromatic sulfamate esters into
activated C–H bonds have been achieved via in situ generated phenyliodinanes in the …

Highly selective entry to the azadirachtin skeleton via a Claisen rearrangement/radical cyclization sequence

T Durand-Reville, LB Gobbi, BL Gray, SV Ley… - Organic …, 2002 - ACS Publications
A highly diastereoselective, microwave-induced Claisen rearrangement of an appropriately
substituted propargylic enol ether allows the formation of the sterically congested C8− C14 …

Iridium (III)-catalyzed tandem Claisen rearrangement–intramolecular hydroaryloxylation of aryl allyl ethers to form dihydrobenzofurans

VH Grant, B Liu - Tetrahedron letters, 2005 - Elsevier
Iridium(III)-catalyzed tandem Claisen rearrangement–intramolecular hydroaryloxylation of
aryl allyl ethers to form dihydrobenzofurans - ScienceDirect Skip to main contentSkip to …

Investigating the microwave-accelerated Claisen rearrangement of allyl aryl ethers: Scope of the catalysts, solvents, temperatures, and substrates

Z Hui, S Jiang, X Qi, XY Ye, T Xie - Tetrahedron Letters, 2020 - Elsevier
The microwave-accelerated Claisen rearrangement of allyl aryl ethers was investigated, in
order to gain insight into the scope of the catalysts, solvents, temperatures, and substrates …

Total Synthesis, Structure Revision, and Neuroprotective Effect of Hericenones C–H and Their Derivatives

S Kobayashi, T Tamura, M Koshishiba… - The Journal of …, 2021 - ACS Publications
The first total syntheses of hericenones C–H and “putative 3-hydroxyhericenone F” were
achieved. Highlights of the synthesis include the straightforward construction of the …

Water-Accelerated Tandem Claisen Rearrangement− Catalytic Asymmetric Carboalumination

P Wipf, S Ribe - Organic Letters, 2001 - ACS Publications
The addition of stoichiometric quantities of water accelerates both the trimethylaluminum-
mediated aromatic Claisen reaction and the chiral zirconocene-catalyzed asymmetric …