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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 104 (1971), S. 3350-3353 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: α-Halogenated Amines, XXXV Bis-carbiminium- and Carbiminium-amidinium-halidesWith acyl halides dialdehyd-bis-aminals 1, 3 or 5 undergo cleavage to bis-carbiminium halides 2, 4 and 6. Reaction of bromine with 1.1.2-triaminoethenes 8 affords carbiminium-amidinium bromides 9.
    Notes: Dialdehyd-bis-aminale, wie 1, 3 oder 5, werden durch Carbonsäurehalogenide unter Bildung der Bis-carbiminium-halogenide 2, 4 und 6 gespalten. Aus 1.1.2-Triamino-äthenen 8 und Brom entstehen Carbiminium-amidinium-bromide 9.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 103 (1970), S. 3918-3922 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: α-Haloamines, XXVII. Reactions of α-Haloethers, α-Halothoethers and α-Haloamines with N,O-,N,S-and N,N-Acetalsα-Haloethers react with N,O-acetals to give dialkylbis(alkoxymethyl)ammonium halides 3 and with N, S-acetals to yield dialkyl(alkoxymethyl)(alkylthiomethyl)ammonium halides 5. α-Halothioethers react with N,S-acetals to form dialkylbis(alkylthiomethyl)ammonium halides 7. The reaction of N,N-acetals (aminals) with α-haloethers or α-halothioethers results in cleavage to give α-haloamines 13 and N,O- or N,S-acetals. The monoquaternary salts 10 and 11 are assumed to be intermediates in this reaction. α-Haloamines equilibrate with aminals via monoquarternary ammonium salts 12.
    Notes: α-Halogenierte Äther bilden mit N,O-Acetalen Dialkyl-bis-alkoxymethyl-ammoniumhalogenide 3 und mit N,S-Acetalen Dialkyl-alkoxymethyl-alkylmercaptomethyl-ammoniumhalogenide 5, aus N,S-Acetalen und α-halogenierten Thioäthern entstehen Dialkyl-bisalkylmercaptomethyl-ammoniumhalogenide 7. N,N-Acetale reagieren mit α-halogenierten Äthern und Thioäthern im Sinne einer Aminalspaltung zu α-halogenierten Aminen 13 und N,O-bzw. N,S-Acetal, wobei intermediär die Bildung monoquartärer Salze 10 bzw. 11 anzunehmen ist. α-Halogenierte Amine und Aminale setzen sich über monoquartäre Ammoniumsalze 12 ins Gleichgewicht.
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