Asymmetric N-Heterocyclic Carbene (NHC)-Catalyzed Annulation of Modified Enals with Enolizable Aldehydes

Autor: Rajesh G. Gonnade, Trinadh Kaicharla, Akkattu T. Biju, Santhivardhana Reddy Yetra, Sunita S. Kunte
Rok vydání: 2013
Předmět:
Zdroj: Organic Letters. 15:5202-5205
ISSN: 1523-7052
1523-7060
DOI: 10.1021/ol4026155
Popis: N-Heterocyclic carbene (NHC)-catalyzed highly enantioselective lactonization of modified enals with enolizable aldehydes, proceeding via the α,β-unsaturated acylazolium intermediates, is reported. The reaction results in the asymmetric synthesis of synthetically important 4,5-disubstituted dihydropyranones.
Databáze: OpenAIRE