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) …

Abstract Forty-three quinolizidine alkaloids (1–43), including twelve new matrine-type ones,
sophalodes A–L (1–7, 17, 19 and 28–30), were isolated from the seeds of Sophora …

Seventeen quinolizidine alkaloids, including a new matrine-type one, sophcence A (1), were
isolated from the roots of Sophora flavescens Alt. The structure of compound 1 was …

Two new quinolizidine-based alkaloids (2 and 12), along with ten known ones (1, 3–11)
were isolated from the roots of S. tonkinensis. Their structures were determined by …

Seventeen quinolizidine alkaloids, including two new ones, 5-hydoxy-7, 11-dehydromatrine
(1) and 11-hydroxylupanine (2), were isolated from the aerial parts of Sophora tonkinensis …

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 …

The Melodinus species have been proved to be good resources of bisindole alkaloids. Six
bisindole alkaloids were isolated from the leaves and stems of Melodinus cochinchinensis …

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

From the stems of Sinomenium acutum, sinoracutine (1) has been isolated, an alkaloid with
a structurally novel skeletal framework, whose structure has been established by spectral …

Three new matrine‐type alkaloids, 8β‐hydroxyoxysophoridine (1), 9β‐hydroxysophoridine
(2), 9β‐hydroxyisosophocarpine (3), together with one known analog, 11, 12 …