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1992 (1)
1Author    H. Roeser, B. Sorg, E. HeckerRequires cookie*
 Title    On the Chemistry of Ingenol, Va. Preparation of Tritium-Labeled 3-O-Tetradecanoylingenol (|20-3H]-3-TI)  
 Abstract    Tritium-labeling o f the ingenol m onoester 3-O-tetradecanoylingenol (3-TI), the prototype tumor promoter o f the ingenane type diterpene esters, is described. The preparation starts with oxidation o f 3-TI by manganese dioxide to yield 3-TI-20-aldehyde which is reduced by [3H]-sodium borohydride in the presence o f equimolar amounts o f cerium trichloride hexahydrate to give [20-3H]-3-TI. The labeled promoter is obtained in 42% overall yield with a specific ra­ dioactivity o f 15.8 Ci/m mol. 
  Reference    Z. Naturforsch. 47b, 1026—1030 (1992); received December 13 1991 
  Published    1992 
  Keywords    Ingenol Ester, Tumor Promoter, Tritium-Labeling 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1026.pdf 
 Identifier    ZNB-1992-47b-1026 
 Volume    47