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Allenyl-β-lactams: Versatile scaffolds for the synthesis of heterocycles

AuthorsAlcaide, Benito ; Almendros, Pedro
Issue Date2011
PublisherJohn Wiley & Sons
CitationChemical Record 11: 311-330 (2011)
AbstractThe hybrid allenic β-lactam moiety represents an excellent building block for carbo- and heterocyclization reactions, affording a large number of cyclic structures containing different sized skeletons in a single step. This strategy has been studied under thermal and radical-induced conditions. More recently, the use of transition-metal catalysis has been introduced as an alternative that relies on the activation of the allenic component. On the other hand, the intramolecular version has attracted much attention as a strategy for the synthesis of bi- and tricyclic compounds in a regio- and stereoselective manner. This overview focuses on the most recently developed cyclizations on 2-azetidinone-tethered allenes along with remarkable early works accounting for the mechanism, as well as for the regio- and diastereoselectivities of the cyclizations. © 2011 The Japan Chemical Journal Forum and Wiley Periodicals, Inc.
Identifiersdoi: 10.1002/tcr.201100011
Appears in Collections:(IQM) Artículos
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