This review which is the second in this series summarises the most common synthetic routes
as applied to the preparation of many modern pharmaceutical compounds categorised as …

The pyran ring system is widely present in the animal and plant kingdom and possesses
diverse pharmacological activities. Pyran is a six-membered oxygen heterocycle with two …

Different methods for the synthesis of pyridine derivatives as well as the chemical reactivity
profiles and structures of these substances are reviewed. The utility of these compounds as …

Tuberculosis (TB) is a highly contagious airborne disease with nearly 25% of the world's
population infected with it. Challenges such as multi drug resistant TB (MDR-TB), extensive …

A series of 2-amino-5-oxo-4-phenyl-5, 6, 7, 8-tetrahydroquinoline-3-carbonitrile and various
analogues have been synthesized in excellent isolated yields starting from various …

The anti-cancer activity of the benzo [h] quinolines was evaluated on cultured human skin
cancer (G361), lung cancer (H460), breast cancer (MCF7) and colon cancer (HCT116) cell …

An efficient and convenient method was developed for synthesis of 2-amino-3-
cyanopyridine derivatives via the four-component coupling reaction between ketone …

An efficient strategy for the one-pot synthesis of polysubstituted pyridines via a cascade
reaction from aldehydes, phosphorus ylides, and propargyl azide is reported. The reaction …

Experimental methods of infrared, Raman and electronic absorption spectroscopy and DFT
calculations using B3LYP functionals and 6-31G** and 6-311++ G** basis sets have been …

Abstract 2H-Pyran-2-ones are widely present in nature and found as either isolated or in
fused form. Depending on the fusion of benzene ring, pyran can give coumarins …