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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 119 (1986), S. 387-400 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Aliphatic Liquid Crystals, 7. Some Mesogenic Tercyclohexyl DerivativesStarting from bicyclohexyl-4-one 1 the tercyclohexyl-3-one 6 is synthesized via the acetyl derivatives 3a,b. Methoxycarbonylation of 6 gives the keto ester 12 which on the one hand is tranformed to the esters 15a,b and 17 - 20 and the nitriles 21a,b, on the other hand to the methylated keto esters 23a,b and 24a,b. From 23a the ester 26 with an axial 1-methyl group is obtained. Nearly all the products are mesogenic.
    Notes: Aus dem Bicyclohexyl-4-on 1 wird über die Acetylderivate 3a,b das Tercyclohexyl-3-on 6 aufgebaut, daraus durch Methoxycarbonylierung der Ketoester 12, der einerseits zu den Estern 15a,b und 17 - 20 und den Nitrilen 21a,b, andererseits zu den methylierten Ketoestern 23a,b und 24a,b umgesetzt wird. Aus 23a erhält man den Ester 26 mit axialer 1-Methylgruppe. Fast alle Produkte sind mesogen.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 118 (1985), S. 3350-3356 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Aliphatic Liquid Crystals, 3. Liquid Crystalline 2-CyclohexyldecalinsThe alcohol 6a is prepared from the sterically pure ketone 1 via the isolated intermediates 2, 3, and 5. The esters 6b - l and the ethers 6m - v of 6a exhibit the indicated melting and clearing points.
    Notes: Aus dem sterisch einheitlichen Keton 1 wird über die isolierten Zwischenstufen 2, 3 und 5 der Alkohol 6a dargestellt, für dessen Ester 6b - l und Ether 6m - v die Schmelz- und Klärpunkte angegeben werden.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 1990-05-01
    Print ISSN: 0022-3093
    Electronic ISSN: 1873-4812
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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