ملخص: Two new guaianolides have been isolated from the aerial parts of Centaurea musimomum, 3-oxo-4[alpha]-acetoxy-15-hydroxy-1[alpha]H, 5[alpha]H, 6[beta]H, 7[alpha]H, 11[beta]H-guai-10(14)-ene-6,12-olide and 3-oxo-4[alpha]-hydroxy-15-hydroxy-1[alpha]H, 5[alpha]H, 6[beta]H, 7[alpha]H, 11[beta]H-guai-10(14)-ene-6,12-olide. The structures of the compounds were elucidated by NMR spectroscopy. (c) 1997 Elsevier Science Ltd. All rights reserved

لغة: إنجليزية