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  • 1
    Electronic Resource
    Electronic Resource
    Langgestreckte Moleküle von Dispiro[5.1.5.2]-Typ (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 1865-1871 
    Details
    ISSN: 0009-2940
    Keywords: Spiro compounds ; Liquid crystals ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Rod-Like Dispiro[5.1.5.2] CompoundsA number of symmetrically and unsymmetrically substituted spiro compounds were synthesized starting from the dispiro[5.1.5.2]trione 1. The trans-trans isomers of 2, 3, 6-10, and 11 were separated from the cis-cis and cis-trans isomers. From the trispiro compound 4 derivatives bearing differing substituents were synthesized. The tetraspiro compounds 5 were obtained in one step. Some of the compounds functionalized with flexible sidegroups show narrow liquid-crystal phases.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921250813
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Homocalixarenes and homocalixpyridines (1994)
    Springer
    Journal of inclusion phenomena and macrocyclic chemistry 19 (1994), S. 111-135 
    Details
    ISSN: 1573-1111
    Keywords: Phane syntheses ; all-homocalixarenes ; all-homocalixpyridines ; host tailoring ; large functionalized cavities ; host properties ; liquid-liquid-extraction experiments ; crystal structures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A new type of host is introduced:all-homocalixarenes. Phane syntheses leading to molecules which may be termed, in the most general sense, homocalixarenes, are outlined in a brief overview. The design, synthesis, conformations and host properties ofall-homocalixarenes andall-homocalixpyridines are described in detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00708978
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    Paper (German National Licenses)
    Fulltext
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