Journal
COORDINATION CHEMISTRY REVIEWS
Volume 462, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2022.214526
Keywords
Vinylethylene carbonates; Allylic substitution; Annulation reactions; Pd catalysis; Multifunctional allylic scaffolds
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Funding
- Deputyship for Research & Innovation, Ministry of Education in Saudi Arabia [DRI 74]
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Vinylethylene carbonates (VECs) are diverse and functionalized structural frameworks that can undergo transitional metal-catalyzed decarboxylative process to generate p-allyl-Pd intermediate, which in turn can react with a broad range of carbon and hetero nucleophiles to afford highly stereoselective construction of C-C and C-Het (N, O, S) bonds. The recent advances and applications of VECs in palladium-catalyzed allylic substitution and decarboxylative annulation reactions are reviewed and discussed in this article. These synthetic methods provide direct access to versatile building blocks, crucial in modern synthetic and medicinal chemistry.
Vinylethylene carbonates (VECs) are diverse and functionalized structural frameworks that can undergo transitional metal-catalyzed decarboxylative process to generate p-allyl-Pd intermediate, which in turn can react with a broad range of carbon and hetero nucleophiles to afford highly stereoselective construction of C-C and C-Het (N, O, S) bonds. The advent of VECs as substrates for transition metal catalyzed highly regio-, stereo-, and enantioselective allylic substitutions and annulation reactions has spurred widespread interest from the research community in recent years. As a result, these synthetic methods allow direct access to versatile building blocks, important in modern synthetic and medicinal chemistry. To the best of our knowledge, Pd-catalyzed allylic substitution of VECs with carbon and hetero nucleophiles (N, O and S) has not been reviewed yet. This review provides the first updated account on the recent advances and application of VECs in palladium catalyzed allylic substitution since 2013. Moreover, owing to the growing interest in deployment of zwitterionic p-allyl Pd-intermediates in annulation reactions to access diverse heterocyclic structural motifs, recent literatures on the decarboxylative annulation modes of VECs have also been reviewed and discussed.(c) 2022 Elsevier B.V. All rights reserved.
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