Inhaltsangabe1. Introduction.- 1.1 Historical Review.- 1.2 Abundance and Distribution of Selenium.- 1.3 Selenium in Plants.- 1.4 Selenium Toxicity in Animals.- 1.5 Enzymic Role of Selenium.- 1.6 Ecological Aspects of Selenium in Human Health.- 1.7 Extraction of Selenium.- 1.8 Industrial Uses of Selenium.- 1.9 Selenium: Structure, Physical and Chemical Properties.- 2. Reactions Involving Hydrogen Selenide, Selenols and Related Compounds.- 2.1 Reactions Involving the Nucleophilicity of Hydrogen Selenide, Selenols and Related Compounds.- 2.1.1 N-dealkylation of Quaternary Ammonium Salts.- 2.1.2 N-dealkylation of Amines.- 2.1.3 Dealkylation of Alkyl Aryl Ethers,-Sulfides and-Selenides.- 2.1.4 Synthesis of Carboxylic Acids From Esters.- 2.2 Reduction Reactions Involving Hydrogen Selenide, Selenols, Selenocyanates, Triphenylphosphine Selenide and Related Compounds.- 2.2.1 Reduction of Benzyl Halides to Aryl Alkanes and of Iodo- and of Selenoketones to Ketones.- 2.2.2 Reduction of vic-Diheterosubstituted Alkanes to Alkenes.- 2.2.2.1 Selenolate Mediated Reduction of vic-Dihalogenoalkanes and Bromohydrins to Olefins.- 2.2.2.2 Reduction of Epoxides and Thiiranes to Olefins.- 2.2.3 Reduction of Disulfides to Thiolates.- 2.2.4 Reduction of Sulfoxides, Selenoxides and Telluroxides to Sulfides, Selenides and Tellurides Respectively.- 2.2.5 Reduction of Nitro-, Nitroso-, Hydroxylamino-, Azo-, Hydrazo-aromatic Compounds to Aromatic Amines and Reduction of Aryldiazonium Salts to Hydrazinium Salts.- 2.2.6 Reduction of Schiff's Bases to Amines: Application to the one Pot Reductive Amination of the Carbonyl Group.- 2.2.7 Reduction of Aldehydes and Ketones to Alcohols.- 2.2.8 Reduction of the Carbon-Carbon Double Bond of Enones.- 2.2.9 Reduction of Benzyl Selenides to Aryl Alkanes and of Methylselenoacetals Derived From Aromatic Carbonyl Compounds to Benzyl Methyl Selenides.- 2.3 Use of Copper (I) Benzeneselenolate.- 2.3.1 As the Precursor of Mixed Alkyl Phenylselenocuprates.- 2.3.2 As a Catalyst in the Synthesis of ?-Selenoketones from Selenolesters and Diazomethane.- 2.4 Reduction of Dienes to Olefins With Dichloro Bis (Diphenyl Selenide) Platinum (II).- 3. Reactions Involving Metallic or Amorphous Selenium with Organic Molecules.- 3.1 Transformation of (Z) Alkenes to Their (E) Isomers.- 3.2 Oxidation of Cyclic and Poly cyclic Hydrocarbons and Heterocycles to Aromatic Compounds Using Elemental Selenium.- 3.3 Oxido-reduction Reactions of Hydrocarbons.- 3.4 Reactions Involving Carbon Monoxide and Catalytic Amounts of Selenium.- 3.4.1 Synthesis of Acylic Derivatives of Carbonic Acid.- 3.4.2 Synthesis of Heterocycles Derived from Carbonic Acid.- 3.4.3 Synthesis of Carbonohydrazides, Semicarbazides, Carbazates and Carbonates.- 3.4.4 Oxidation of Formates and Formamides to Carbonates and Carbamates.- 3.4.5 Synthesis of Hydrogen Selenide and Some of its Application.- 3.4.6 Oxidation of Hydrazine to Diimide: Application to the Cis Hydrogénation of Olefins.- 3.4.7 Carbonylation of Alkyl Aryl Ketones to 1,3-Dicarbonyl Compounds: Application to the Synthesis of 4-Hydroxycoumarins.- 4. Reactions Involving Selenoxides and Related Derivatives.- 4.1 Reactions Involving Selenoxides.- 4.1.1 Oxidation of Sulfides, Amines and Acyl Hydrazines to Sulfoxides, Aminoxides, and to Symmetrical Diacyl Hydrazines, Respectively.- 4.1.2 Oxidation of Enediols to Dicarbonyl Compounds.- 4.1.3 Oxidative Conversion of Thiocarbonyl Compounds to Carbonyl Compounds.- 4.1.4 Oxidation of Trivalent Phosphorus Compounds to Their Oxides and of Thio- and Selenophosphorus Derivatives to Their Oxygenated Analogues.- 4.1.5 Oxidation of Olefins to vic-Glycols with Osmium Tetroxide-Selenoxide Reagent.- 4.2 Oxidation of Alcohols to Carbonyl Compounds with Dimethylselenide/N-chlorosuccinimide.- 4.3 Oxidative Conversion of sec-Benzylamines to Imines and Tertiary Benzylamines to Iminium Salts by Diphenylselenium Bis(trifluoroacetate).- 5. Reactions Involving Selenenyl Halides and Related Compounds.- 5.1 Allyli

Hersteller:
Springer Verlag GmbH
juergen.hartmann@springer.com
Tiergartenstr. 17
DE 69121 Heidelberg