Phase Transfer Catalysis has matured and so has this book. Certain PTC-variants have become standard techniques in the lab, and PTC may be on the brink of large-scale use. This new edition describes important new developments in PTC. Furthermore, it has been extensively updated and offers a comprehensive list of very recent references. New material has been added on * solid/liquid PTC * enantioselective reactions * metal-organic reactions * reduction and oxidation reactions * elimination and substitution reactions