Three-Component Domino Knoevenagel/Hetero-Diels-Alder Reaction for the Synthesis of the Amino Sugars 2-Acetoxyforosamine and 2-Acetoxyossamine - Experimental and Theoretical Results

Autor: Lutz F. Tietze, Niels Böhnke, M. Alexander Düfert, Simone Dietz, Dietmar Stalke, Ina Objartel
Rok vydání: 2011
Předmět:
Zdroj: European Journal of Organic Chemistry. 2011:6574-6580
ISSN: 1434-193X
DOI: 10.1002/ejoc.201100725
Popis: The three-component domino Knoevenagel/hetero-Diels–Alder reaction of nitroacetone (6), formaldehyde and ethoxyvinylacetate (4) leads to dihydropyrans 10 and 11, which after hydrogenation of the double bond as well as consecutive reduction of the nitro group and reductive amination give the desired forosamine-type 2-acetoxyamino sugars 21–24 and ossamine-type 25.
Databáze: OpenAIRE