Three new sesquiterpenoids valeriananoids A (1), B (2) and C (3), poss
essing an unprecedented sesquiterpene skeleton, have been isolated fro
m the roots and rhizomes of Valeriana jatamansi Jones. The structures
were elucidated by chemical and spectroscopic means and, in the case o
f 1, confirmed by X-ray crystallography. (C) 1997 Elsevier Science Ltd
.