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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of inclusion phenomena and macrocyclic chemistry 24 (1996), S. 19-41 
    ISSN: 1573-1111
    Keywords: Arenes ; electron donor-acceptor complexes ; heterocycles ; induction phenomena ; liquid ; crystals ; metallomesogens ; radial multiynes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract We describe here an overview on the formation of mesophases by the interaction between large flat aromatic cored molecules and relatively small organic electron acceptors which form stacked, sandwich-like columnar π-π electron donor-acceptor complexes. The inclusion of suitable donor and acceptor components may be used to induce columnar mesophases in mixtures of compounds which can be either mesomorphic or non-mesomorphic in the pure state. With judicious choice of donor and acceptor partners, induced mesophases of remarkable range and thermal stability can be prepared.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1990 (1990), S. 203-204 
    ISSN: 0170-2041
    Keywords: Benzenehexamine ; Benzoselenathiazole ; Benzothiadiazole ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Benzotris[1,2,5]thiadiazole in a One-Pot Reaction from BenzenehexamineCondensation of benzenehexamine (1) with thionyl chloride in the presence of pyridine gave the title compound 2 (69% yield) in a one-pot reaction. A similar reaction of 1 with seleninyl chloride or an alternative condensation of 1 with selenium dioxide led to the analogous selenium heterocycle 3 in traces only.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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