Isoquinoline alkaloids, an important class of N‐based heterocyclic compounds, have
attracted considerable attention from researchers worldwide since the early 19th century …

Inflammation is an adaptive response of the immune system to tissue malfunction or
homeostatic imbalance. Corticosteroids and non-steroidal anti-inflammatory drugs (NSAIDs) …

Spirodienone derivatives have unique structural characteristics. Its spiroatoms are
quaternary carbons that act as bridges between dienone and four, five, six and even seven …

Alkaloids, the principal constituents in the caulis of Sinomenium acutum, have gained an
increasing interest over the past decades since they are widely employed as a clinical …

Eleven previously undescribed alkaloids, named sinometumines AK, along with three
known alkaloids, were isolated from the rhizomes of Sinomenium acutum. The chemical …

Industrial hemp (Cannabis sativa L.) is an economic crop with high yield and stress
resistance. Hemp metabolites have high medicinal value and development potential, which …

Aporphine alkaloids, characterized by a heterocyclic aromatic basic skeleton, are known
from different organisms and exhibit various biological activities: anti-tumor, anti-viral, anti …

Alkaloids are natural products known as ethnobotanicals that have attracted increasing
attention due to a wide range of their pharmacological properties. In this study …

Two pairs of unprecedented enantiomeric phthalide dimers, spiroligustolides A (1a/1b) and
B (2a/2b), featuring a unique spiroorthoster linkage between two monomeric units to form a …

N-Chloroformyl imidazolidinone derivatives of enantiopure amino acids may be
deprotonated to give remarkably well-behaved enolates with both nucleophilic and …