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- W4283744228 startingPage "2479" @default.
- W4283744228 abstract "Over the past decades, aspidosperma and kopsia alkaloids have attracted significant interest by the organic synthetic community owing to their intricate fused-ring structures and broad biological activities. Consequently, numerous strategically distinct total syntheses have been accomplished, among which tetracyclic pyridocarbazoles have seen widespread adoption as versatile building blocks. In this review, we elaborate and discuss the synthesis of such tetracyclic pyridocarbazoles according to the different approaches for the establishment of the all-carbon quaternary center at C5. This includes (1) classic synthetic reactions (cycloaddition, Michael addition, nucleophilic substitution, and Claisen rearrangement), (2) palladium-catalyzed asymmetric decarboxylative allylation reactions, and (3) thiourea-catalyzed asymmetric Michael addition reactions. Furthermore, we also describe the late-stage key transformations in the realm of the total syntheses of aspidosperma and kopsia alkaloids." @default.
- W4283744228 created "2022-07-02" @default.
- W4283744228 creator A5024511853 @default.
- W4283744228 creator A5028348497 @default.
- W4283744228 creator A5035833596 @default.
- W4283744228 creator A5045348528 @default.
- W4283744228 creator A5047571509 @default.
- W4283744228 creator A5079335768 @default.
- W4283744228 date "2022-07-14" @default.
- W4283744228 modified "2023-10-03" @default.
- W4283744228 title "Recent Advances in the Total Synthesis of <i>Aspidosperma</i> and <i>Kopsia</i> Alkaloids Using Tetracyclic Pyridocarbazoles as Versatile Building Blocks" @default.
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