Inspired by quinine and its analogues, we designed, synthesized, and evaluated two series
of quinoline small molecular compounds (a and 2a) and six series of quinoline derivatives …

Indole alkaloids have attracted widespread attention of chemists and biologists. Therefore,
the aim of this study is to screen more bioactivities indole alkaloids from the microorganisms …

Fifteen known amaryllidaceae alkaloids were isolated from the bulbs of Lycoris radiata.
Some of the compounds and lycoricidine derivatives had been screened for the activities …

Background Plant viral diseases, namely 'plant cancer', are extremely difficult to control.
Even worse, few antiviral agents can effectively control and totally block viral infection. There …

Ten new cadinane-type sesquiterpenoids, named hibisceusins I–R (1–10), along with 14
known sesquiterpenoids (11–24), were acquired from the tainted stems of Hibiscus tiliaceus …

The prevention and control of plant diseases and insect pests is the most crucial issue facing
crop protection. To discover novel pesticide candidates with diverse chemical structures …

A series of phenanthroquinolizidine alkaloids 1–24 were prepared and first evaluated for
their antiviral activity against tobacco mosaic virus (TMV). The bioassay results showed that …

Plant diseases can seriously affect the growth of food crops and economic crops. To date,
pesticides are still among the most effective methods to prevent and control plant diseases …

Nine caffeoyl derivatives (1–9), including two new dicaffeoyl glycosides, brevicaudatosides
A and B (1 and 2), and six flavonoids (10–15), were identified from overground Clematis …

To discover new potential pesticide candidates, recently, structural modification of natural
bioactive products has received much attention. In this work, a series of new piperine-type …