Cyclocondensation of cyanoacetamide, cyanothioacetamide and 3-aminopyrazols with
sodium salt of 3-hydroxy-1-(2-naphthyl) prop-2-en-1-one gives pyridin-2-one, pyridin-2 (1H) …

Condensation of enynones readily available from cheap starting material with
pyrazolamines provides easy access to fluorescent 7-(trimethylsilylethynyl) pyrazolo [1, 5-a] …

An efficient synthesis of 19 2-(heteroaryl)-3 H-benzo [f] chromen-3-ones is described via
reaction of 2-(3-hydroxyacry-loyl)-3 H-benzo [f] chromen-3-one with various heterocyclic …

Abstract Cyclocondensation of hydrazides, 3‐aminopyrazoles, 3‐amino‐1, 2, 4‐triazole, 2‐
aminobenzoimidazole, pyrazole‐3‐diazonium salts, 1, 2, 4‐triazol‐3‐diazonium salt, or …

The development of efficient methods for the synthesis of polyfunctional N-heterocycles is an
important area of research in organic and medicinal chemistry. Pyrazolo [1, 5-a] pyrimidine …

Chemistry associated with genes has attracted a great public interest during the last two
decades. Nucleotides are the backbone of the nucleic acid molecule. The common …

En este manuscrito se presenta el trabajo de investigación efectuado en la maestría en
química de la Universidad de los Andes en el grupo de investigación GICOBIORG (Enero …

Microwave assisted synthesis of pyrazolo [5, 1-c][1, 2, 4] triazine and thieno [2, 3-b] pyridine
derivatives from the reaction of diazonium chlorides with methylene active compounds and …

Within the framework of Egypt's vision, 2030 emanating from the seventeen sustainable
development goals decided by the United Nations, and based on the pivotal role of scientific …