Oxymatrine (OMT), was identified as a quinolizidine alkaloid, which was one of the major
matrine-type alkaloids extracted from Sophora medicinal plants. Growing studies revealed …

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

In current study we present two polysaccharides, STRP1 and STRP2, purified from
Sophorae tonkinensis Radix via column chromatography. Structural analyses indicated that …

(−)-Cytisine (−)-1,[(1R, 5S)-1, 2, 3, 4, 5, 6-hexahydro-1, 5-methano-8H-pyrido [1, 2a][1, 5]
diazocin-8-one (Figure 1), is an alkaloid extracted from various plants belonging to the …

In the present situation, COVID-19 has become the global health concern due to its high
contagious nature. It initially appeared in December 2019 in Wuhan, China and now …

Three new matrine-type alkaloids,(+)-5α-hydroxyoxysophocarpine (1),(−)-12β-
hydroxyoxysophocarpine (2), and (+)-5α-hydroxylemannine (3), along with 14 known …

Quinolizidine alkaloids (QAs) are nitrogen-containing compounds produced naturally as
specialized metabolites distributed in plants and animals (eg, frogs, sponges). The present …

Six unusual matrine-type alkaloid dimers, flavesines A–F (1–6, respectively), together with
three proposed biosynthetic intermediates (7–9) were isolated from the roots of Sophora …

Five novel quinolizidine-based alkaloids (1–5) were obtained from the seeds of Sophora
alopecuroides L. Compounds 1 and 2 are the first examples of sparteine-indolizine and …

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 …