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 …

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 …

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 …

Four new quinolizidine alkaloids, including three matrine-type alkaloids, 8α-
hydroxysophocarpine (1), 13β-hydroxyoxymatrine (2), 9α-acetoxymatrine (3), and one …

Abstract Three new quinolizidine alkaloids (1− 3), including one new naturally isoflavone
and cytisine polymer (3), along with 6 known ones were isolated from the ethanol extract of …

Twelve quinolizidine alkaloids were isolated from Sophora tonkinensis by means of silica
gel, preparative MPLC, and preparative HPLC. On analysis of NMR spectroscopic data, their …

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

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) …