The article contains sections titled: 1. Introduction 2. Alkyl Hydroperoxides 2.1. Properties 2.2. Production 2.3. Uses 3. Dialkyl Peroxides 3.1. Properties 3.2. Production 3.3. Uses 4. Peroxycarboxylic Acids 4.1. Properties 4.2. Production 4.2.1. Peroxycarboxylic Acids from Carboxylic Acids and Hydrogen Peroxide 4.2.2. Peroxycarboxylic Acids from Carboxylic Anhydrides and Hydrogen Peroxide 4.2.3. Peroxycarboxylic Acids from Carboxylic Acid Chlorides and Hydrogen Peroxide 4.2.4. Peroxycarboxylic Acids by Autoxidation of Aldehydes 4.3. Uses 5. Diacyl Peroxides 5.1. Properties 5.2. Production 5.3. Uses 6. Peroxycarboxylic Esters 6.1. Properties 6.2. Production 6.3. Uses 7. α‐Oxyperoxides 7.1. Properties 7.2. Production 7.3. Uses 8. α‐Aminoperoxides 8.1. Properties 8.2. Production 8.3. Uses 9. Safety Measures 9.1. Hazards 9.2. Transportation and Storage 9.3. Handling 10. Toxicology
Die Konformation des cyclischen Tripeptides cyclo-[Pro2-(NB)Gly] (NBThe conformation of the cyclic tripeptide cyclo-[Pro2-(NB)Gly] (NB = o-Nitrobenzyl) was investigated by X-ray analysis and NMR spectroscopy. The backbone conformation is -according to X-ray analysis -a boat for crystals grown from methanol or chloroform. The crystal structure was correlated with the conformation in solution by solid state 13C-CP-MAS-NMR spectroscopy as well as by dissolving of different crystals at low temperatures followed by NMR spectroscopy of the solutions. In solution a solvent dependent equilibrium -slow on the NMR time scale -between a boat and a crown conformation is observed. The assignment of the I3C NMR spectrum was performed Ilia a 2D-'H-I3C shift correlation. The synthesis of the compound is described.Die zur Zeit bewahrtesten Methoden der Strukturuntersuchung sind die Rontgenstrukturanalyse und die NMR-Spektroskopie. Die komplementaren Einsatzgebiete (Kristall und Losung) beider Verfahren kannen durch die Festkorper-NMR-Spektros-0 Verlag
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