In our continuing search for bioactive constituents from Korean medicinal sources, an
investigation of the Sinomenium acutum Rehder et Wilson rhizome afforded three new …

Two new indole alkaloids, naucleactonin A and B, along with two known compounds,
naucleficine and nauclefidine, were isolated from the bark and wood of Nauclea officinalis …

Two new iridoid glycosides, scrophularosides A and B (1–2), two phenylethanoid
glycosides, scrophularosides CD (3–4) and eight known compounds (5-12) were isolated …

Two new alkaloids, 4′-O-demethylhamatine (1) and ancistrotectoriline C (2), were isolated
from the stems and leaves of Ancistrocladus tectorius. These two compounds represent one …

Four new aconitine‐type C19‐diterpenoid alkaloids, were isolated from the roots of
Aconitum nagarum Stapf which were named as nagarutines A–D (1–4), together with eleven …

Objective To investigate the alkaloidal constituents of Nauclea officinalis, an anti-
inflammatory and antibacterial traditional Chinese herb. Methods The alkaloids were …

A pair of new enantiomeric alkaloids (+)-1 and (–)-1, along with eight known compounds (2–
9) were isolated from the stem of Tinospora sinensis (Lour.) Merr. Their structures were …

Two new C-benzylated chalcones, 2′, 4′-dihydroxy-3′-(2-hydroxylbenzyl) chalcone (1)
and 2′, 4′-dihydroxy-5′-(2-hydroxybenzyl) chalcone (2), one new and one known …

Three compounds, including a new one (1), were isolated from the roots of Psammosilene
tunicoides. Based on analysis of NMR data as well as their physical and chemical …

Two new oxindole alkaloid glycosides, nauclealomide A and (3 S, 7 R)-javaniside, were
isolated from the leaves of Nauclea officinalis. Their structures and absolute configurations …