Collect. Czech. Chem. Commun. 1987, 52, 2961-2970

A versatile synthesis of oligocrown compounds with hydroxyl groups at the hinge

Martin Bělohradský, Petr Holý, Ivan Stibor and Jiří Závada

Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6


Oxirane ring-opening reaction of N-(2,3-epoxy-1-propyl) azacrowns Ia-Ic and 4,5-epoxy-2-oxapentylcrowns IIa-IIe with mono- and diamines (including mono- and diazacrowns) afforded array of new di-, tri-, and tetracrown compounds with hydroxyl groups placed at the hinge.