The COVID-19 pandemic is ongoing as of mid-2022 and requires the development of new
therapeutic drugs, because the existing clinically approved drugs are limited. In this work …

We report a successful chemical modification of (2, 5-dimethyl-11, 12-dihydro-5H-5, 11-
epoxybenzo [7, 8] oxocino [4, 3-b] pyridin-3-yl) ethan-1-one at C-3 position. The main …

Pyridine derivatives still attract the attention of many researchers for their comprehensive
biological research, possible promotion to the pharmaceutical market in order to be used as …

As a result of the oxidative aromatization of 5-nitro-1, 4-dihydropyridines with hydrogen
peroxide in a dioxane solution, previously unreported in the literature on the 5-(3-) …

Claisen–Schmidt-type aldol-crotonic condensation of 3-acetyl-5-nitropyridine derivatives
with various aromatic aldehydes was used for the preparation of pyridylchalcones …

Objective: Compounds containing the quinoxaline and oxazine core have a diverse
spectrum of biological activity, including antibacterial, antiviral, antitumor, antituberculosis …