Synthesis of Highly Functionalized 1,3-Oxathiazoles via an Unusual [4+1] Annulation alpha,alpha'-Dioxothione with 1,2-Diaza-1,3-dienes

Autor: Stefano Menichetti, Caterina Viglianisi, Orazio A. Attanasi, Gianfranco Favi, Fabio Mantellini, Giada Moscatelli
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Popis: The present method provides highly functionalized 1,3-oxathioles through an unusual base-promoted [4+1] annulation between α,α'-dioxothione, generated in situ from a phthalimide precursor, and 1,2-diaza-1,3-dienes. An intriguing scaffold comprised of spiro-fused oxathiole and pyrazolone components was also obtained in moderate yield.
Databáze: OpenAIRE