Natural products are not only the basis for traditional or ethnic medicine. Only recently, they
have provided highly successful new drugs such as Artemisinin. Furthermore, screening …

Bioassay-guided fractionation of the crude extract of the whole plant of Macleaya cordata R.
Br. led to the isolation of four alkaloids, which were identified as sanguinarine (1) …

The increasing incidence of microorganisms becoming resistant to antibiotics has
continuously become a scientific community concern. Many scientists around the world are …

Drug-resistant pathogenic and opportunistic bacteria pose a global health threat. Plants,
particularly those employed in traditional (folk) medicine, may provide a source of …

The discovery of penicillin nearly 90 years ago revolutionized the treatment of bacterial
disease. Since that time, numerous other antibiotics have been discovered from bacteria …

A series of 45 calycanthaceous alkaloid derivatives with the tetrahydropyrroloindole core
structure was synthesized from tryptophan in good yields. The synthesized compounds were …

Antibiotic-resistant microorganisms have been an ever-growing concern over the past years.
This has led researchers to direct their attention onto plants to be able to discover new …

Medicinal plants are known as sources of potential antimicrobial compounds belonging to
different classes. The aim of the present work was to evaluate the antimicrobial potential of …

Enlightened from our previous work of structural simplification of quinine and innovative
application of natural products against phytopathogenic fungi, lead structure 2, 8-bis …