Key words: subcritical water, glaucine, des-glaucine, ESI-MS, NMR
The isomerization of non-racemic mixture of glaucine isomers into des-glaucine was held in subcritical water media under 200-300°С with the yeld 53 %. The structure of the product was proved with nuclear magnetic resonance spectroscopy (NMR) and electrospray ionization (ESI-MS).