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'Structure Elucidation' in keywords Facet   section ZfN Section B  [X]
Facet   Publication Year 1993  [X]
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1Author    G. Falsone, F. Cateni, F. Katusian, H. Wagner, O. SeligmannRequires cookie*
 Title    Constituents of Euphorbiaceae, 10. Conun. [1] New Cerebrosides from Euphorbia characias L  
 Abstract    G . P ellizer and F. A sa r o D epartm ent o f Chemical Sciences, U niversity o f Trieste, V ia L. Giorgieri 1 Four new cerebrosides C -l-C -4 were isolated from the latex o f Euphorbia characias L. On the basis o f spectral evidences and chem ical reactions they were characterized as (2 S , 3 S , 4 R , 5 R , 6Z)-l-0-(/?-D -glu cop yran osyl)-2N -[(2'R)-2'-h yd roxy-(15'Z)-tetracose-noyl]-6(Z)-octadecene-l,3,4,5-tetraol-2-am ino (C -l), (2 S , 3 S , 4 R , 5 R, 6 Z)-l-0 -(/? -D -g lu co -p y ra n o sy l)-2 N -[(2 'R)-2 'h y d ro x y -(1 7 'Z)-h ex a c o sen o y l]-6 (Z)-o c ta d e c en e-l,3 ,4 ,5 -te tr a o l-2-am ino(C -2),(2S, 3S , 4 R , 5 R, 6Z)-l-0-(/3-D -glucopyranosyl)-2N -[(2'R)-2'-hydroxy-(19'Z)-octacosenoyl]-6-(Z)-octadecene-l,3,4,5-tetraol-2-am ino (C -3) and (2S , 3 S, 4 R , 5 R, 6 Z)-l-0 -(/?-D -glu cop yran o sy l)-2 N -[(2 'R)-2 '-h y d ro x y -o cta co sa n o y l]-6 -(Z)-o cta d ecen e-l, 3,4,5-tetraol-2-amino (C-4). Reversed phase colum n flash chromatography was effective for the isolation of the cere­ brosides. FA B -M S spectrometry, X H N M R , 13C N M R analysis and chemical reactions were useful in providing information for the structure elucidation. 
  Reference    Z. Naturforsch. 48b, 1121 (1993); received March 2 1 9 9 3 
  Published    1993 
  Keywords    Euphorbiaceae, C erebrosides, Structure Elucidation 
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 TEI-XML for    default:Reihe_B/48/ZNB-1993-48b-1121.pdf 
 Identifier    ZNB-1993-48b-1121 
 Volume    48