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  • 1
    Electronic Resource
    Electronic Resource
    Organic compounds of niobium and tantalum. Reactions of niobium and tantalum pentaethoxides with glycols (1967)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 351 (1967), S. 219-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Neue Niob- und Tantalverbindungen der Typen (EtO)3M(glycol), (EtO)M(glycol)2 und M(glycol)3 wurden aus den Pentaäthoxiden und verschiedenen Glykolen (z. B. Butan-1.3-diol) hergestellt. Sofern in Benzol löslich, sind die Verbindungen darin dimer.
    Notes: Following three types of new compounds (EtO)3M(glycol), (EtO)M(glycol)2 and M(glycol)3 (where M is niobium or tantalum) were isolated by the reactions of niobium and tantalum pentaethoxides with various glycols (butane-1.3-diol, neopentyl glycol and hexane-1.6-diol). Molecular weights of the few soluble compounds show that they are dimeric in benzene.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19673510312
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Organic derivatives of niobium and tantalum. Reactions of Niobium and Tantalum Pentaethoxides with catechol (1967)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 353 (1967), S. 109-112 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Die Reaktion der Pentaähoxide von Niob und Tantal mit Brenzkatechin (B—H2) liefert die neuen Verbindungstypen (ÄtO)3M(B), (ÄtO)M(B)2 und M(B)3. Die Mono- und Dibrenzkatechin-Derivate tauschen ihre Äthoxygruppen mit t-Butanol unter Bildung der entsprechenden t-Butoxy-Verbindungen aus.
    Notes: Reactions of niobium and tantalum pentathoxides with catechol have been studied in different stoichiometric ratios and the following three types of new derivatives, (EtO)3M (Catechol); (EtO)M(Catechol)2 and M(Catechol)3 (M = Nb; Ta) have been isolated. The mono- and di-catechol derivatives interchange their ethoxide groups with tertiary butanol yielding the corresponding tertiary butoxide derivatives.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19673530115
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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