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 …

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 …

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

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 …

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 Ten new bisbenzylisoquinoline alkaloids (1–10) and eight known analogues (11–
18) were obtained from the roots of Stephania tetrandra. The structures of these compounds …

Quinolizidine alkaloids, as essential active ingredients extracted from Sophora
alopecuroides Linn, have been well concerned in the past several decades owing to the …

Abstract Five matrine-type alkaloids (1‒5) including two new compounds (1 and 3) and a
new natural product (2) were isolated from the roots of Sophora tonkinesis. Their structures …

Saposhnikovia divaricata Schischk. belongs to the family Umbelliferae and grows in the
eastern Siberia and northern Asia. 1 The roots of S. divaricata have been used for the …

Five new quinolizidine alkaloids, including three sparteine‐type alkaloids (1–3) and two
cytisine‐type alkaloids (4 and 5), along with four known ones, were isolated from the roots of …