Oxidopyrylium [5+ 2] cycloaddition chemistry: Historical perspective and recent advances (2008–2018)

LP Bejcek, RP Murelli - Tetrahedron, 2018 - Elsevier
The following review article provides an overview of oxidopyrylium [5+ 2] cycloaddition
chemistry, with a particular emphasis placed on seminal historical developments and …

Enantioselective 1, 3‐Dipolar [6+ 4] Cycloaddition of Pyrylium Ions and Fulvenes towards Cyclooctanoids

D McLeod, A Cherubini‐Celli… - … A European Journal, 2020 - Wiley Online Library
Abstract Organocatalytic enantioselective 1, 3‐dipolar [6+ 4] cycloadditions of pyrylium ion
intermediates with fulvenes promoted by a chiral primary amine catalyst have been …

Catalytic regio-and stereoselective intermolecular [5+ 2] cycloaddition via conjugative activation of oxidopyrylium

L Zhang, Q Shi, T Cao, S Zhu - Chemical Communications, 2020 - pubs.rsc.org
A catalytic stereodivergent intermolecular [5+ 2] cycloaddition of maltol-type oxidopyrylium
through conjugative activation was reported, which featured high stereoselectivity, good …

Synthesis of optically active seven-membered 1, 5-anhydrocarbasugars and 1, 4, 5-tribenzoyloxy-2-ethoxy cycloheptanes via [5+ 2] cycloaddition

AA Yadav, PS Sarang, M Sau, S Thirumalairajan… - Tetrahedron …, 2012 - Elsevier
[5+ 2] Cycloaddition followed by asymmetric dihydroxylation procedure have been utilized to
prepare novel cyclitols. Accordingly, rac-2α-hydroxy-6α-ethoxy-1, 5-anhydro cyclohept-3 …

[引用][C] Enantioselective 1, 3‐Dipolar [6+ 4] Cycloaddition of Pyrylium Ions and Fulvenes towards Cyclooctanoids

KA Jørgensen, D McLeod, A Cherubini-Celli… - … –A European Journal - Wiley Online Library