Synthesis of Alpha-Diazocarbonyl Compounds. Catalysts for Metal Carbene Transformations. Insertion Reactions. Intermolecular Cyclopropanation and Related Addition Reactions. Intramolecular Cyclopropanation and Related Addition Reactions. Cycloaddition and Substitution Reactions with Aromatic and Heteroaromatic Compounds. Generation and Reactions of Ylides from Diazocarbonyl Compounds. X-H Insertion Reactions of Diazocarbonyl Compounds (X = N,O,S,Se,P, Halogen). The Wolff Rearrangement and Related Reactions. Reactions of Alpha-Diazocarbonyl Compounds with Aldehydes and Ketones. Acid-Promoted Cyclization of Unsaturated and Aromatic Diazo Ketones. Miscellaneous Diazocarbonyl Reactions. Index.