Contents:L. Banfi A. Basso R. Riva: Synthesis of Heterocycles Through Classical Ugi and Passerini Reactions Followed by Secondary Transformations Involving One or Two Additional Functional Groups.- V.A. Chebanov K. A. Gura S.M. Desenko: Aminoazoles as Key Reagents in Multicomponent Heterocyclizations.- Y. Huang K. Khoury A. Dömling: Piperazine Scaffolds by Multicomponent 3 Reactions: The Piperazine Space 4 in MCR Chemistry 5 Deep MCR Piperazine Space.- N. Elders E. Ruijter V.G. Nenajdenko R.V.A. Orru: -Acidic Isocyanides in Multicomponent Chemistry.- A. Cukalovic J.-C.M.R. Monbaliu C.V. Stevens: Microreactor Technology as an Efficient Tool for Multicomponent Reactions.- L.A. Wessjohann C.R.B. Rhoden D.G. Rivera O. Eichler Vercillo: Cyclic Peptidomimetics and Pseudopeptides from Multicomponent Reactions.- M. del Mar Sanchez Duque C. Allais N. Isambert T. Constantieux J. Rodriguez: ß-Diketo Building Blocks for MCRs-Based Syntheses of Heterocycles