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  • 1
    Electronic Resource
    Electronic Resource
    Circular dichroism detection in HPLC (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Chirality 3 (1991), S. 376-385 
    Details
    ISSN: 0899-0042
    Keywords: circular dichroism ; detection system ; chromatography ; chiral discrimination ; enantiomeric excess ; elution order ; dissymmetry factor ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A circular dichroism-based detection system presents several advantages in the HPLC analysis of chiral compounds because of the selective monitoring of optically active molecules. Its use allows reliable determination of enantiomeric excesses and elution order. To this end, the application of empirical, semiempirical, and nonempirical methods to get stereochemical information from the CD signal is reported. Furthermore, recording the CD spectra on line and evaluation of the dissymetry factor make the CD detection very powerful in characterizing the stereochemistry of chiral eluates.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/chir.530030424
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  • 2
    Electronic Resource
    Electronic Resource
    Resolution of some β-hydroxyphenethylamines as N-(3,5-dinitrobenzoyl) amides on chiral stationary phases derived from cinchona alkaloids (1989)
    New York, NY [u.a.] : Wiley-Blackwell
    Chirality 1 (1989), S. 161-166 
    Details
    ISSN: 0899-0042
    Keywords: chromatography ; chirality ; chiral recognition ; β-aminoalcohols ; stereochemistry ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Three chiral stationary phases, obtained by derivatizing γ-mercaptopropylsilanized silica gel with quinine, quinidine, and cinchonidine, have been employed in the resolution of N-acyl derivatives of β-hydroxyphenethylamines. The use of circular dichroism for detection and NMR analysis of analyte-selector mixtures provides an experimental basis for preliminary assignment of a recognition mechanism.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/chir.530010210
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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