Advances in Organic Synthesis is a book series devoted to the latest advances in synthetic approaches towards challenging structures. The series presents comprehensive reviews written by eminent authorities on different synthetic approaches to selected target molecules and new methods developed to achieve specific synthetic transformations or optimal product yields. Advances in Organic Synthesis is essential for all organic chemists in academia and the industry who wish to keep abreast of rapid and important developments in the field. Contents of this volume include these 6 reviews: - Multicomponent synthesis of heterocycles by microwave irradiation- Stereoselective procedures for the synthesis of olefines- Advanced microwave assisted organic synthesis method in organic chemistry- Five and six-membered n-heterocycle rings from diaminomaleonitrile- Peptidomimetics: current and future perspectives on hiv protease inhibitors- A review on synthesis, chemistry, and medicinal properties of benzothiazines and their related scaffolds