Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products / Progrès dans la Chimie des Substances Organiques Naturelles: v .15 - gebunden oder broschiert

EAN (ISBN-13): 9783211804742
ISBN (ISBN-10): 3211804749
Gebundene Ausgabe
Erscheinungsjahr: 1958
Herausgeber: Springer

Buch in der Datenbank seit 2007-10-10T12:30:27+02:00 (Berlin)
Buch zuletzt gefunden am 2026-02-08T22:31:03+01:00 (Berlin)
ISBN/EAN: 3211804749

ISBN - alternative Schreibweisen:
3-211-80474-9, 978-3-211-80474-2
Alternative Schreibweisen und verwandte Suchbegriffe:
Autor des Buches: zechmeister, herz, hodgkin, hartwell, schlubach
Titel des Buches: natural product chemistry, fortschritte naturstoffe organischer naturelles organiques substances chemistry products progress natural organic progres chemie chimie dans, organische chemie, progress the chemistry organic natural products fortschritte der chemie organischer naturstoffe progrès dans chimie des substances organiques naturelles

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Daten vom Verlag:

Titel: Fortschritte der Chemie organischer Naturstoffe Progress in the Chemistry of Organic Natural Products; Fortschritte der Chemie organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products / Progrès dans la Chimie des Substances Organiques Naturelles
Verlag: Springer; Springer Wien
246 Seiten
Erscheinungsjahr: 1958-09-02
Vienna; AT
Gewicht: 0,735 kg
Sprache: Englisch
49,95 € (DE)
51,35 € (AT)
62,56 CHF (CH)
Not available, publisher indicates OP

BB; Book; Hardcover, Softcover / Chemie/Organische Chemie; Organische Chemie; Verstehen; Chemie; Naturstoff; Naturprodukte; Forschung; Naturstoffe; B; Organic Chemistry; Chemistry and Materials Science; Biochemistry, general; Pharmacology/Toxicology; Plant Sciences; Pharmacy; Biochemie; Pharmakologie; Botanik und Pflanzenwissenschaften; Pharmazie, Apotheke; BC; EA

Der Kohlenhydratstoffwechsel der Gräser.- I. Einleitung.- II. Das Pflanzenmaterial.- III. Die Isolierung der löslichen Kohlenhydrate.- IV. Die analytischen Methoden.- V. Die Konstitution der Polysaccharide der Gräser.- VI. Die niedermolekularen Kohlenhydrate in den Gräsern.- VII. Die Biogenese der Oligo- und Polysaccharide der Gräser.- VIII. Abwandlungen des Kohlenhydrat- und des Eiweißgehaltes im Laufe einer Vegetationsperiode.- IX. Anwendungen auf die Grünlandwirtschaft.- Some in vitro Conversions of Naturally Occurring Carotenoids.- I. Introductory Remarks.- normal and retro Structures.- Addition of Hydrogen to the Chromophore.- Addition of Oxygen to Terminal Double Bonds of the Chromophore.- Lengthening of the Chromophore.- II. Preparation and Conversions of Carotenoids by Means of N-Bromosuccinimide.- 1. Dehydrogenation of Colorless Compounds to Carotenoid Pigments.- Squalene.- Phytoene and Phytofluene.- 2. Action of N-Bromosuccinimide on ß-Carotene.- a) N-Bromosuccinimide and ß-Carotene in Carbon Tetrachloride Solution.- vetro-Dehydrocarotene.- vetro-Bisdehydrocarotene.- Anhydro-eschscholtzxanthin.- 3, 4, 3?, 4?-Bisdehydro-ß-carotene.- 3, 4-Dehydro- ?-carotene.- b) N-Bromosuccinimide and ?-Carotene in Ethanol-Containing Chloroform Solution.- Formation of Ketones.- 4-Keto-3?,4?-dehydro-?-carotene.- 4-Keto-? -carotene and 4,4?-Diketo-?-carotene.- Identification of 4-Keto-?-carotene and 4,4?-Diketo- ?-carotene with Natural Products.- Addendum.- 3. Action of N-Bromosuccinimide on ex-Carotene.- 3,4-Dehydro-?-carotene.- 4. Action of N-Bromosuccinimide on Lycopene.- 5. Action of N-Bromosuccinimide on Cryptoxanthin.- 6. Action of N-Bromosuccinimide on Physaliene.- III. Conversions of Carotenoids via their Boron Trifluoride Complexes.- 1. Cleavage Products of the ß-Carotene-BF3, Complex.- 2. Cleavage Products of the ?-Carotene-BF3 Complex.- 3. Cleavage Products of the BF3 Complexes of Some Dehydrogenated Carotenes.- a) retro-Dehydrocarotene-BF3.- b) 3,4-Dehydro-?-carotene-BF3 and 3,4-Dehydro-?-carotene-BF3.- c) retro-Bisdehydrocarotene-BF3.- 4. Cleavage Products of the Lycopene-BF3 Complex.- 5. Cleavage Products of the ?-Carotene-BF3 Complex.- 6. Cleavage Product of the Anhydrovitamin A1-BF3 Complex.- IV. Dehydration and Dehydrogenation of Lutein.- V. Some Spectroscopic Observations.- Position of the Maxima.- Lengthening of the ?-Carotene Chromophore.- Influence of the Spatial Configuration.- Transition from normal to retro Structures.- Spectral Curves.- References.- The Chemistry of Podophyllum.- I. History.- II. Preparation of Podophyllin.- III. Composition of Podophyllum.- IV. Other Sources of Podophyllum Lignans.- V. Isolation Procedures.- 1. Isolation without Chromatography.- 2. Adsorption Chromatography.- 3. Partition Chromatography.- VI. Podophyllotoxin.- 1. Properties.- 2. Structure.- 3. The Apopicropodophyllins.- 4. Stereochemistry.- 5. Synthetic Approaches.- VII. Desoxypodophyllotoxin.- VIII. Dehydropodophyllotoxin.- IX. 4?-Demethylpodophyllotoxin.- X. The Peltatins.- XI. Sikkimotoxin.- XII. Lignan Glucosides.- XIII. Ionic Derivatives of Podophyllotoxin and of the Peltatins.- XIV. Flavonols.- XV. Absorption Spectra.- 1. Ultraviolet Spectra.- 2. Infrared Spectra.- XVI. Biological Action.- XVII. Tables.- 1. Well-characterized Compounds Isolated from Podophyllum Species.- 2. Solvates and Modifications of Podophyllotoxin.- 3. Molecular Rotations of Compounds in the Conidendrin and Desoxypodophyllotoxin Series.- 4. Podophyllotoxin and Derivatives.- 5. Desoxypodophyllotoxin and Derivatives.- 6. 4?-Demethylpodophyllotoxin and Derivatives.- 7. Peltatins and Derivatives.- 8. Sikkimotoxin and Derivatives.- 9. Lignan Glucosides and Derivatives.- 10. Maximum Tolerated Doses (MTD) and Minimum Effective Doses (MED) in Mice Bearing Sarcoma 37.- 11. Ionic Derivatives of Podophyllotoxin and of the Peltatins, and Intermediates.- 12. Flavonols and Derivatives.- 13. Ultraviolet Absorption Maxima of Podophyllum Lignans and of Some of Their Derivatives.- References.- X-ray Analysis and the Structure of Vitamin B12.- I. Introduction.- II. Some Characteristics of the X-ray Crystallographic Methods Applied to the Analysis of Vitamin B12.- III. The Determination of the Structure of Vitamin B12.- 1. Preliminary Crystallographic Measurements and Observations.- 2. The Stages of Atom Identification.- a) The Cyanide Group.- b) The “Nucleotide” Group.- c) The Corrin Nucleus.- d) The Side-chains Attached to the Nucleus.- e) The Propanolamine Groups.- 3. The Problem of Right and Wrong Atoms.- 4. The Refinement of the Atomic Positions.- 5. The Absolute Configuration of the Molecule.- 6. The Chemical Formulae of Vitamin B12 and the Hexacarboxylic Acid.- IV. The Chemical Reactions of Vitamin B12.- V. Biochemical Problems Connected with the B12 Structure.- VI. The Crystal Structures of Vitamin B12 and the Hexacarboxylic Acid.- VII. Conclusion.- References.- Namenverzeichnis. Index of Names. Index des Auteurs.- Sachverzeichnis. Index of Subjects. Index des Matières.