Coumarins belong to the benzopyrone family commonly found in many medicinal plants.
Natural coumarins demonstrated a wide spectrum of pharmacological activities, including …

Melanogenesis is a process to synthesize melanin, which is a primary responsible for the
pigmentation of human skin, eye and hair. Although numerous enzymatic catalyzed and …

In recent years, the research on fluorescent probes has developed rapidly. Coumarin
fluorescent probes have also been one of the hot topics in recent years. For the synthesis …

Coumarin compounds represent an important type of naturally occurring and synthetic
oxygen-containing heterocycles with typical benzopyrone framework. This type of special …

Phytochemicals are chemical compounds that occur naturally in the plant kingdom. Some
are responsible for the organoleptic properties of the natural sources in which they are …

Naturally occurring coumarins, having wide spectrum of activities such as antioxidant, anti-
inflammatory, anticancer, MAO-B inhibitory and antimicrobial, are frequently used by the …

Heterocyclic compounds are widely present in natural products, pharmaceuticals and
bioactive molecules. Thus, organic and pharmaceutical chemists have been making …

New series of 6-substituted-3-arylcoumarins displaying several alkyl, hydroxyl, halogen, and
alkoxy groups in the two benzene rings have been designed, synthesized, and evaluated in …

A new and efficient metal-free tandem acylation/cyclization of alkynoates with aldehydes
was developed for the synthesis of 3-acyl-4-arylcoumarins. The reaction was achieved by …

The complex etiology of Alzheimer's disease (AD) has encouraged active research in the
development of multi-target drugs with two or more complementary biological activities …