Iridoid esters from Patrinia saniculaefolia

Abstract

Two new iridoids, named patridoid I (1) and patridoid II (2), were isolated from the whole plant of Patrinia saniculaefolia (Valerianaceae), together with the known one, nardostachin (3). The structures of compounds 1 and 2 were established on the basis of spectroscopic methods, including two dimensional (2D NMR) and high resolution fast atom bombardment mass spectrometry (HR-FAB-MS). © 2003 Pharmaceutical Society of Japan.