In this revision a summary of the trends of the formation of complex or not so complex heterocyclic structures through 1,3-DC of azomethine ylides is described. Diastereo-and enantioselective processes as well as nonasymmetric cycloadditions constitute very important synthetic tools for achieving all these series of compounds. The contents are classified as follows: 1. Introduction 2. Synthesis of spiroxindoles 3. Synthesis of spiropyrrolidines 4. Synthesis of spiropiperidines and piperidines 5. Synthesis of pyrrolidines and fused pyrrolidines 6. Synthesis of pyrrolizidines and indolizidines 7. Synthesis of quinolone and isoquinolines 8. Conclusions

The chemistry of palladium complexes has no limits. Many domino processes (even multicomponent) are continuously appearing in the literature. Carbocyclic and heterocyclic molecules are efficiently prepared under the atom economy principle using the smallest amount of the catalyst. The importance of the applications in many scientific areas of all these cyclic skeletons made this general methodology much more attractive.

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