Abstract Two alkaloids, d‐calycanthine (1) and l‐folicanthine (2), were isolated from the
active MeOH extract of the seeds of Chimonanthus praecox Link. The structures of the two …

Structural optimization based on natural products has become an effective way to develop
new fungicides, which provides important guiding significance for practicing the new …

To discover diterpenoids that naturally possess chemical weapons against cancer, the
biological and chemical diversity of the flower buds of Daphne genkwa Sieb. et Zucc was …

Monoterpenoid alkaloids are well known for their broad and excellent biological activities,
but their extremely low content and complex chemical structure limit their practical …

Six new compounds including four prenylated indole alkaloids (1–4) and two lignans (5–6),
along with eight known cometabolites (7–14), were isolated from the flower buds of …

Finding safe and environmentally friendly fungicides is one of the important strategies in
modern pesticide research and development. In this work, the antipathogenic effects of the …

Six novel Maillard reaction products (MRPs)(1–6) were isolated from the processed
Thermopsis lanceolata R. Br. seed extract, along with one biogenetically related …

Bioactivity-guided fractionation of the EtOAc extract from leaves of Piper crassinervium
yielded three prenylated hydroquinones together with two known flavanones naringenin and …

The secondary metabolites produced by plants are important sources of fungicides with
intriguing bioactivities and environmentally benign attributes (eg. low residual toxicity to …

BACKGROUND The phenanthroindolizidine alkaloid antofine and its analogues have
excellent antiviral activity against tobacco mosaic virus (TMV). To simplify the structure and …