Current Chemistry Letters An overview on synthesis and reactions of coumarin based
compounds Page 1 * Corresponding author. E-mail address: Mahmoud.Tolba@sci.nvu.edu.eg …

Oil is the largest source of contamination of soil and water in the world despite its modernity
and oil pollution occurs when oil leaking materials to soil or water. 1, 2 This pollution affects …

Mosquitoes and mosquito-borne diseases represent an increasing global challenge. Plant
extract and/or oils could serve as alternatives to synthetic insecticides. The larvicidal effects …

Spodoptera frugiperda is a species of the order Lepidoptera. It is one of the species of fall
armyworm moths distinguished by its larval life stage, is found in different regions of Africa …

Quinazoline compounds have gained significant attention in the fields of agriculture and
chemistry due to their diverse activities. In this study, we focused on a series of quinazoline …

The reaction of ethyl 5-cyano-2-methyl-4-(thiophen-2-yl)-6-thioxo-1, 6-dihydropyridine-3-
carboxylate (1) with 2-chloroacetamide or its N-aryl derivatives gave ethyl 6-((2-amino-2 …

Using ultrasound technology instead of traditional methods, some pyridine derivatives were
prepared by a simple procedure via a four-component reaction of different aromatic …

This manuscript reports the preparation and toxicological efficacy testing of nine
oxoimidazolidine and cyanoguanidine compounds (3a, 3b, 3c, 3d, 3e, 3f, 3g 4a, and 4b) …

Pyrimidines (“m-diazine”) were known as the breakdown products of uric acid. The first
pyrimidine derivative to be isolated was alloxan (5, 5-dihydroxypyrimidine-2, 4, 6 (1H, 3H …

Heterocyclic compounds have a vital role in our biological system. They are an integral part
of many pharmacologically active molecules, natural products and nucleic acids. 1-15 The …