Advances in Heterocyclic Chemistry

<p>Preface<br>Christopher A. Ramsden and Eric F.V. Scriven<br>1. Eight-membered heterocycles with two heteroatoms in a 1,3-relationship of interest in medicinal chemistry<br>Barbara Parrino, Stella Cascioferro, Daniela Carbone, Camilla Pecoraro, Girolamo Cirrincione and Patrizia Diana<br>2. The synthesis of pyrazolo[5,1-c][1,2,4]triazoles. Part 1: From acyclic and monocyclic precursors<br>Beniamin-Nicolae Pintea, Vasile-Nicolae Bercean and Valentin Badea<br>3. The synthesis of pyrazolo[5,1-c][1,2,4]triazoles. Part 2: From bicyclic precursors. Annulated pyrazolo[5,1-c][1,2,4]triazoles<br>Beniamin-Nicolae Pintea, Vasile-Nicolae Bercean and Valentin Badea<br>4. Applications of the Vilsmeier reaction in heterocyclic chemistry<br>Ismail A. Abdelhamid, Mohamed R. Shaaban and Ahmed H. M. Elwahy<br>5. The literature of heterocyclic chemistry, Part XIX, 2019<br>Leonid I. Belen’kii, Galina A. Gazieva, Yulia B. Evdokimenkova and Natalya O. Soboleva</p>