The n-BuOH extract from the herb of Solanum lyratum Thunb.(Solanaceae) was purified by
various chromatographic methods, which led to the isolation of seven undescribed alkaloids …

A rare hexacyclic oxindole alkaloid, speradine F (1), together with two novel tetracyclic
oxindole alkaloids, speradines G (2) and H (3), were isolated from the marine-derived …

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

Abstract Saposhnikoviae divaricata (Turcz.) Schischk (SD) is a traditional Chinese herb
commonly used to treat clinical conditions such as rheumatism and allergic rhinitis. This …

Heterocyclic rings have long piqued the interest of medicinal chemists. Quinazolinone is a
fused nitrogen‐based heterocyclic moiety. Some of quinazolinone derivatives have …

Sophora flavescens Ait., a well-known Chinese herbal medicine, is widely used in clinical
practice for the treatment of viral hepatitis, cancer, gastrointestinal hemorrhage, and skin …

Isoquinoline alkaloids-enriched herbal plants have been used as traditional folk medicine
for their anti-inflammatory, antimicrobial, and analgesic effects. They induce cell cycle arrest …