Cobalt-Catalyzed Intramolecular Cycloadditions of Alkenylidenecyclopropanes with Alkenes and Dienes

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Adv Synth Catal - 2023 - Concepción - Cobalt‐Catalyzed Intramolecular Cycloadditions of Alkenylidenecyclopropanes.pdf (4.27 MB)
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URI: http://hdl.handle.net/10347/32851
E-ISSN: 1615-4169
DOI: 10.1002/adsc.202301040

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2023

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Wiley
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Abstract

Low-valent cobalt complexes equipped with phosphorous type of ligands can promote the intramolecular (3+2) cycloaddition of alkylidenecyclopropanes (ACPs) with alkenes and with allenes. Dienes can also be used as partners, but they afford seven-membered cycloadducts. The reactions are fully diastereoselective and, in some cases, we also observed moderate enantioselectivities, especially when using chiral phosphite ligands.

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Cobalt| Alkylidenecyclopropane| Cycloaddition| Allene| Diene

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Advanced Synthesis & Catalysis (ASC).

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This work received financial support from Spanish grants (Grants PID2020-118579GB−I00 and PID2019-108624RB−I00 funded by MCIN/AEI/10.13039/501100011033, ORFEO-CINQA network RED2022-134287-T), the Consellería de Cultura, Educación e Ordenación Universitaria (Grant ED431C 2021/25 and Grant ED431G 2019/03: Centro Singular de Investigación de Galicia accreditation 2019–2022, and predoctoral grant to EdC) and the European Union (European Regional Development Fund-ERDF corresponding to the multiannual financial framework 2014–2020).

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© 2023 The Authors. Advanced Synthesis & Catalysis published by Wiley-VCHGmbH.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License
Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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