Two new alkaloids, 2-demethyl-oxypalmatine (1) and 5-ethoxycarbonylsinoracutine (2),
were isolated from the rhizomes of Sinomenium acutum, along with thirty-four known …

Phytochemical investigation on the rhizomes of Sinomenium acutum led to the isolation of
new alkaloids sinomacutines A–E (1–5), and cephalonine-2-O-β-d-glucopyranoside (6) …

Investigation of the 80% ethanol extract of the aerial parts of Psammosilene tunicoide
afforded two carboline alkaloids (1–2), a γ-pyrone derivative (3), two p-hydroxy cinamic acid …

A new naturally occurring phenanthrene-1, 4-quinone, annoquinone-A, along with parietin
(physcion) and β-sitostenone were isolated from the stem bark of Annona montana. The …

Five new carboline alkaloids, tunicoidines A–E (1–5), and two known carboline alkaloids, 1-
acetyl-β-carboline-3-carboxylic acid (6) and 1-acetyl-3-carbomethoxyl-β-carboline (7), were …

Two new morphinane alkaloid dimers, 2, 2′-disinomenine (1) and 7′, 8′-dihydro-1, 1′-
disinomenine (2), and known 1, 1′-disinomenine (3), were isolated from ethanol extracts of …

One new morphinane alkaloid, sinomenine N-oxide (1), and one new natural occurring
morphinane alkaloid, N-demethylsinomenine (2), together with six known alkaloids, 7, 8 …

Pharmacologically safe compounds that can inhibit the proliferation of tumor cells have
potential as anticancer agents. Annonaceae seems to be one of the least chemically as well …

A new denudatine-type C20-diterpenoid alkaloid, pubesine (1), along with seven known
diterpenoid alkaloids, altaconitine (2), 14-benzoylaconine (3), spicatine A (4), 14 …

Abstract A new coumestan named 7, 5'-dihydroxy-4'-(3''-hydroxy-3''-methyl-trans-isobut-1''-
enyl) coumestan (1), together with five known compounds (2–6), was isolated from the …