1,3-Dipolar cycloaddition reactions of pyrazolidinium ylides with vinyl sulfones. A regioselective synthesis of bicyclic pyrazolidinone antibacterial agents

Autor: Jungheim, Louis N., Barnett, Charles J., Gray, Joseph E., Horcher, Linus H., Shepherd, Timothy A., Sigmund, Sandra K.
Zdroj: In Tetrahedron 1988 44(11):3119-3126
Databáze: ScienceDirect