Thiophene and its substituted derivatives are very important class of heterocyclic
compounds which shows interesting applications in the field of medicinal chemistry. It has …

Thiophene derivatives are aromatic five-membered ring compounds made up of one sulfur
as heteroatom. These compounds are present in a large number of natural and unnatural …

Abstract Oxovanadium (V)-[5, 10, 15, 20-tetrakis (pyridinium)-porphyrinato]-tetra
(tricyanomethanide)[(VO) TPP][(TCM) 4] was designed, synthesized and characterized by …

Heterocyclic compounds are vital in synthetic chemistry, pharmaceuticals, agrochemicals,
and materials science. The concept of S-heterocyclic compounds revolves around organic …

A series of some novel (E)-2-methyl/propyl-4-[(2-(substitutedbenzylidene) hydrazinyl]-5, 6, 7,
8-tetrahydrobenzo [4, 5] thieno [2, 3-d] pyrimidines was synthesized and characterized by …

A simple and recyclable catalytic system for direct arylation of heteroarenes via C–H bond
activation was developed with a relatively inexpensive RuCl3· xH2O as a catalyst and PEG …

An efficient one-pot synthesis of pyrazolo [3, 4-d] pyrimidine derivatives by the four-
component condensation of hydrazines, methylenemalononitriles, aldehydes and alcohols …

Purpose: To investigate the anti-inflammatory, anti-cancer, anti-parkinsonian, anti-microbial,
analgesic,  and anti-hyperglycemic properties of a variety of poly-fused pyrimidine …

The present study deals with the synthesis and reactions of 4-aryl-8-arylidene-3, 4, 5, 6, 7, 8-
hexahydroquinazoline-2-thiol (1). Hydrazinolysis of compound 1 yielded …

Heterocycles have been the subject of extensive organic1–8 and medicinal chemistry9–16
research for almost a century. They have contributed to the biological17–19 and industrial …