It covers all essential aspects of this important topic, including homogeneous, heterogeneous, biocatalysis and various catalytic systems, catalysis by design and activation, deactivation. The authors summarize the design, synthesis, characterization, and catalytic properties of these phase transfer catalysts. This book discusses diverse applications for phase transfer catalysts in organic synthesis. It highlights the advantages and disadvantages of the phase transfer catalysts. This book describes reagents for organocatalytic reactions and will be especially useful for professionals in the area of sustainable chemistry, medicinal research, as well as synthetic organic chemists working in academia and the pharmaceutical industry.