Enantioselective organocatalytic cycloadditions for the synthesis of medium-sized rings

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Publikace nespadá pod Filozofickou fakultu, ale pod Farmaceutickou fakultu. Oficiální stránka publikace je na webu muni.cz.
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OTEVŘEL Jan EUGUI Macarena RIČKO Sebastijan JORGENSEN Karl Anker

Rok publikování 2023
Druh Článek v odborném periodiku
Časopis / Zdroj Nature Synthesis
Fakulta / Pracoviště MU

Farmaceutická fakulta

Citace
www https://www.nature.com/articles/s44160-023-00416-1
Doi http://dx.doi.org/10.1038/s44160-023-00416-1
Klíčová slova N-HETEROCYCLIC CARBENECATALYZED 3+4 ANNULATIONDIARYLPROLINOL SILYL ETHERSDIELS-ALDER REACTIONSNATURAL-PRODUCTSASYMMETRIC-SYNTHESISBRONSTED ACIDBOND DONORSENALSCONSTRUCTION
Popis Optically active medium-sized cyclic compounds are often found in natural products and are therefore attractive targets in organic synthesis. However, generating these cyclic entities with specific stereochemistry is far from trivial owing to unfavourable entropic factors and competing pathways that favour the formation of rings of lesser size. As a result, conventional ring-forming strategies can be challenging, and alternative methods, such as organocatalytic cycloadditions, have emerged to address these issues. Enantioselective synthesis of medium-sized rings by organocatalytic cycloadditions is a rapidly growing field of research offering opportunities that are complementary to metal-catalysed cycloadditions. Several organocatalytic approaches are available, including enamine/iminium-ion activation, along with catalysis using Lewis and Bronsted acids, hydrogen-bond donors, N-heterocyclic carbenes, and nucleophilic phosphines and amines. Here we discuss the ability of organocatalytic cycloadditions to synthesize stereodefined medium-sized ring architectures, critically evaluate current synthetic strategies, and highlight avenues for further development.
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