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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 54 (1982), S. 692-693 
    ISSN: 0009-286X
    Keywords: Naßoxidation ; Chemieabwässer ; Abwasserentsorgung ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 94 (1961), S. 456-467 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Cyclopentadien-Addukte der 6.6-disubstituierten Cyclohexadien-(2.4)-one- (1) (XI) werden durch Grignard-Addition und anschließende Dehydratisierung in die Methylen-Verbindungen XIII abgewandelt; diese zerfallen thermisch in Cyclopentadien und die Methylen-cyclohexadiene III. Die Pyrolyse ist von einer Aromatisierung begleitet, deren Reaktionsprodukte festgelegt werden.  -  Die Addukte der Methylen-cyclohexadiene III an Acetylen-dicarbonsäureester zerfallen in der Hitze in Allene und Phthalester.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 53 (1981), S. 295-295 
    ISSN: 0009-286X
    Keywords: Naßoxidation ; Zimmermann-Prozeß ; Kosten ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1973 (1973), S. 365-374 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New 1,3-Propanediols by Nucleophilic Cleavage of 3-Alkyl-3-hydroxymethyloxetanes1,3-Propanediols with functional groups on C-2 are obtained by nucleophilic cleavage of 3-alkyl-3-hydroxymethyloxetanes. The cleavage with sec. amines yields 2-alkyl-2-dialkylaminomethyl-1,3-propanediols, ring opening with hydrogen halides leads to 2-alkyl-2-halogenomethyl-1,3-propanediols, hydrogen sulfide yields 2-alkyl-2-mercaptomethyl-1,3-propanediols.
    Notes: Nucleophile Ringöffnungen an 3-Alkyl-3-hydroxymethyl-oxetanen führen zu 1,3-Propandiolen mit funktionellen Gruppen in 2-Stellung. Die Ringöffnung mit sekundären Aminen ergibt 2-Alkyl-2-dialkylaminomethyl-1,3-propandiole, Halogenwasserstoffsäuren spalten den Oxetanring zu 2-Alkyl-2-halogenmethyl-1,3-propandiolen, mit Schwefelwasserstoff erhält man 2-Alkyl-2-mercaptomethyl-1,3-propandiole.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1973 (1973), S. 111-121 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New Syntheses for 3,5-DialkylpyridinesA number of new syntheses for 3,5-dialkylpyridines using petrochemical compounds based on propene or isobutene is described. Thus 3,5-dimethylpyridine (9) is obtained when 2-hydroxymethyl-2-methyl-1,3-propandiol (7), (3-methyloxetan-3-yl)methanol (6), 2-methylacrolein (8) propionaldehyde-formaldehyde-aldol adducts, 2-methylene-1,3-propanediol (10) or its diacetate are autoclaved with ammonia, methylamine or dimethylamine at elevated temperatures in the presence of catalysts. 3,5-Diethylpyridine (3) and 3,5-dipentylpyridine can be obtained from the homologous compounds.
    Notes: Ausgehend von petrochemischen Produkten auf der Basis Propylen oder Isobutylen werden eine Reihe neuer Synthesen für 3,5-Dialkylpyridine beschrieben. So erhält man au s2-Hydroxymethyl-2-methyl-1,3-propandiol (7), (3-Methyloxetan-3-yl)methanol (6), 2-Methylacrolein (8), Propionaldehyd-Formaldehyd-Aldoladdukten, 2-Methylen-1,3-propandiol (10) oder dessen Diacetat und ammoniak, Methylamin oder Dimethylamin in Gegenwart von Katalysatoren unter Druck bei höherer Temperatur 3,5-Dimethylpyridin (9). 3,5-Diäthylpyridin (3) und 3,5-Dipentylpyridin sind aus den Homologen zugänglich.
    Additional Material: 7 Tab.
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