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: α-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