At present more than 250 FDA approved chlorine containing drugs were available in the
market and many pharmaceutically important drug candidates in pre-clinical trials. Thus, it is …

Chalcones and their analogs have been an area of great interest in recent years. Numerous
research papers have been published, and chalcones continue to show promise for new …

Pyrazolines are five-membered heterocycles possessing two adjacent nitrogens. They have
attracted significant attention from organic and medicinal chemists due to their potent …

Introduction: Pyrazolines are well-known and important nitrogen-containing five-membered
ring heterocyclic compounds. Various methods have been worked out for their synthesis …

Pyrazolines are well known and important nitrogen containing 5-membered heterocyclic
compounds and various methods have been worked out for their synthesis. Numerous …

A new series of N-acetyl and N-formyl-pyrazoline derivatives 6 and 7–8 were synthesized by
cyclocondensation reaction of [(7-chloroquinolin-4-yl) amino] chalcones with hydrazine …

The present investigation is in the interest of some synthesized novel derivatives containing
(5-(2-chloroquinolin-3-yl)-3-(aryl)-4, 5-dihydro-1 H-pyrazol-1-yl)(pyridin-4-yl) methanones …

Abstract An N, N′‐dioxide/scandium (III) complex catalyzed, highly efficient conjugate
addition of malonic esters to enynes is described. A range of trisubstituted 1, 2‐allenyl …

A simple and rapid method for the selective synthesis of 3‐(organylselanyl)‐1 H‐indoles and
3‐(organylselanyl) imidazo [1, 2‐a] pyridines catalyzed by CuI/SeO2 under ultrasound …