Thirty new pentacyclic triterpenoids, including five oleanane-type (1–5), twenty-three ursane-
type (9–23, 26–33) and two taraxerane-type (24 and 25), along with fourteen known …

Kansuinone (1), a rearranged euphane triterpenoid containing a spiro [5, 6] ring system, was
isolated from the roots of Euphorbia kansui. Its structure and stereochemistry were …

TRITERPENOIDS FROM ENKIANTHUS CAMPANULATUS Page 1 Phyfochmbtry, Vol. No. 3,
pp. 627-630, 1984. Printed in Gnat Britain. TRITERPENOIDS FROM ENKIANTHUS 0031~9422/84 …

Two undescribed ent-kaurene diterpenes, named guidongnins I (1) and J (2), were isolated
from the medicinal plant Isodon rubescens. Compound 1 was determined to contain an …

Three unprecedented ceanothane-type triterpenoids, ent-epicatechinoceanothic acid A (1),
ent-epicatechinoceanothic acid B (2), and epicatechino-3-deoxyceanothetric acid A (3) …

NEW HIGIEY OXYGENATED 6,7-SECO-KAURANE- AND BIS-KAURANE-TYPE
DITERPENOIDS FROM Page 1 2656 Communications to the Editor Chem. Pharm. Bull. 42(12) …

Three new ent-kaurane diterpenes, 3 α-angeloyloxy-17-hydroxy-ent-kaur-15-en-19-oic acid
(1), 3 α-tigloyloxy-17-hydroxy-ent-kaur-15-en-19-oic acid (2) and 3 α-cinnamoyloxykaur-9 …

Two rare new chiratane-type triterpenoids, kouitchenoids A and B (1, 2), together with
oleanolic acid (3) and ursolic acid (4), were isolated from ethanol extract of Swertia …

Abstract Two new triterpenoids, 1 and 2, were isolated from the hepatoprotective AcOEt
fraction of the roots of Actinidia chinensis, together with eight known 12‐en‐28‐oic acids of …

Abstract Two new 1, 10‐seco‐eudesmanolides (1 and 2) were isolated from the flowers of
Inula japonica together with two eudesmanolide analogs (3 and 4) and two monoterpene …