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  • 1
    Electronic Resource
    Electronic Resource
    Enzym-katalysierte Reaktionen, 13. Eine neue, effiziente Synthese von Fagomin (1992)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1992 (1992), S. 1211-1212 
    Details
    ISSN: 0170-2041
    Keywords: Fagomine ; Enzymes ; Transketolase ; Carbohydrates ; Yeast transketolase ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Enzyme-Catalyzed Reactions, 13.  -  A New, Efficient Synthesis of Fagomine2-Deoxy-L-threo-5-hexulosonitrile (4) is obtained in excellent chemical yield by yeast transketolase (EC 2.2.1.1)-catalyzed reaction of racemic 3-hydroxy-4-oxobutyronitrile [(R/S)-2] with lithium hydroxypyruvate (3). Catalytic hydrogenation of 4 exclusively gives fagomine (7).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.1992199201201
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  • 2
    Electronic Resource
    Electronic Resource
    Enzym-katalysierte Reaktionen, 14. Stereoselektive Darstellung von Thiozuckern aus achiralen Vorstufen mittels Enzymen (1992)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1992 (1992), S. 1297-1301 
    Details
    ISSN: 0170-2041
    Keywords: 5-Thiopentulofuranose ; 6-Thiohexulopyranose ; Rabbit muscle aldolase (RAMA) ; Yeast transketolase ; Carbohydrates ; Enzymes ; Transketolase ; Aldolase ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Enzyme-Catalyzed Reactions, 14.  -  Stereoselective Synthesis of Thiosugars from Achiral Starting Compounds by EnzymesA novel synthesis for thiosugars starting from achiral compounds by using enzymes as catalysts is described. 5-Thio-D-threo-2-pentulofuranose (4), for example, is prepared either by the RAMA (rabbit muscle aldolase)-catalyzed reaction of mercaptoacetaldehyde (1b) with dihydroxyacetonephosphate (2) or by the yeast transketolase-catalyzed reaction of 2-hydroxy-3-mercaptopanal (R/S)-6 with lithium 3-hydroxypyruvate (9). 6-Thio-D-arabino-2-hexulopyranose (8a) and 6-thio-L-xylo-2-hexulopyranose (8b) are obtained by the RAMA-catalyzed reaction of racemic (R/S)-6 with 2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.1992199201214
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