Two new cyclic hexapeptides, dianthin A(1) and B(2), were isolated fro
m the whole plants of Dianthus superbus. Their structures were establi
shed as cyclo-(Ala-Tyr-Asn-Phe-Gly-Leu) and cyclo-(Ile-Phe(2)-Phe(1)-P
ro(2)-Gly-Pro(1)) by IR, UV 2D NMR and FABMS spectra. (C) 1998 Elsevie
r Science Ltd. All rights reserved.