Métodos de obtenção e aplicações sintéticas de tiazóis, uma importante classe de compostos heterocíclicos/ Methodologies for the preparation and synthetic application of thiazoles, an important class of heterocyclic compounds
Resumo em inglês Thiazoles comprise an important class of heterocyclic compounds present in many potent biologically active molecules. This heterocyclic ring also shows various applications in organic synthesis to obtain new compounds. This paper presents different methodologies for the preparation of thiazole ring systems, as well as their synthetic applications.
Resumo em inglês A review of heterocyclic compounds in roasted coffee is presented. The contents, precursors and sensorial properties of furans, pyrroles, oxazoles, thiazoles, thiophenes, pyrazines and pyridines are discussed. The impact heterocyclic compounds of coffee aroma are described.