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'Isoponcimarin' in keywords Facet   Publication Year 1979  [X]
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1979[X]
1Author    P. Rodighiero, A. Guiotto, P. Manzini, G. PastoriniRequires cookie*
 Title    Synthesis of Isoponcimarin  
 Abstract    Synthesis of isoponcimarin, 7-(3'-methyl-2',3'-epoxy-butiloxy)-8-(3"-methyl-2"-oxo-butyl) coumarin, a natural coumarin isolated from Poncirus trifoliata L., was obtained starting from acetyl osthenol. From the intermediate 7-acetoxy-8-(3'-methyl-2'-oxobutyl) coumarin, the coumarin derivatives isomeranzin and dihydrooroselone were also prepared. In a previous paper [1] we reported the isolation and identification from unripe fruits of Poncirus trifoliata L. (fam. Rutaceae; subfam. Aurantioideae) of a new coumarin, which was named isoponcimarin. This compound is a neutral coumarinic derivative, optically active [a]»j5 — 6,94° (CHCls), m.p. 85 °C (from w-hexane), violet-blue fluorescent to UV light (365 nm) and has molecular formula C18H22O5. On the basis of the chemical and spectroscopical evi-dences to isoponcimarin was assigned the structure 
  Reference    Z. Naturforsch. 34b, 1010—1014 (1979); received February 19 1979 
  Published    1979 
  Keywords    Isoponcimarin, Isomeranzin, Dihydrooroselone, Synthesis 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1010.pdf 
 Identifier    ZNB-1979-34b-1010 
 Volume    34