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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 1855-1866 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis of Benzene Derivatives with Several Homochirally-analogous SubstituentsBy cyclotrimerization of the corresponding acetylene derivatives some 1,3,5-trisubstituted benzene derivatives (2a - c, 8a, d) containing three identical chiral groups have been synthesized. The analogous mono- and 1,4-disubstituted products (6, 7) have been prepared by Grignard reactions. As chiral ligands we have used sec-butyl, (1,2,2,3-tetramethylcyclopentyl)methyl (from D-camphor), and their 1-hydroxy derivatives. In addition a few esters and ethers with chiral acids and alcohols, resp., have been prepared from phenol, hydroquinone, and phloroglucinol in the usual manner (10b, d, f, 12b).
    Notes: Durch Cyclotrimerisierung der entsprechenden Acetylenderivate wurden einige 1,3,5-trisubstituierte Benzolabkömmlinge (2a - c, 8a, d) mit drei identischen chiralen Gruppen synthetisiert. Die analogen mono- und 1,4-disubstituierten Produkte (6, 7) wurden mittels Grignard-Reaktionen dargestellt. Als chirale Liganden wurden dabei sec-Butyl, (1,2,2,3-Tetramethyl-cyclopentyl)methyl (aus D-Campher) und deren 1-Hydroxyderivate verwendet. Zusätzlich wurden einige Ester und Ether mit chiralen Säuren bzw. Alkoholen aus Phenol, Hydrochinon und Phloroglucin in üblicher Weise dargestellt (10b, d, f, 12b).
    Type of Medium: Electronic Resource
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