

ONE-POT SYNTHESIS OF QUATERNARY PYRIDINIUM SALTS AND TETRAHYDROPYRIDINE DERIVATIVES OF FUSIDANE TRITERPENOIDS

Abstract
An efficient one-pot method was developed for the preparation of quaternary pyridinium salts and tetrahydropyridine derivatives of fusidane triterpenoids, based on the use of Tempo+Br3 – as the halogenating agent and pyridine as the reagent and solvent.
Keywords
fusidic acid; quaternary pyridinium salts; Tempo+Br3 –; antimicrobial activity.
Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv