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Issue 20, 1994
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Transformations of the natural cytokinin zeatin in aqueous acidic media

Abstract

The behaviour of the naturally occurring cytokinin zeatin 1 in aqueous acidic conditions has been studied, after it was observed that this compound was relatively more stable than another related cytokinin, 6-(3-methylbut-2-enylamino)purine 2. Zeatin 1 reacted readily in 1 mol dm–3 aqueous HCl at 100 °C. Three products were characterized, a diol resulting from the hydration of the double bond of the aliphatic chain, and two cyclized products, a hydroxypyrrolidine and a dihydropyrrole. A scheme is proposed to explain the formation of these products. However, zeatin was found to be stable in 0.1 mol dm–3 aqueous HCl at 100°C and in 1 mol dm–3 aqueous HCl at 50 °C, conditions which allow the hydrolysis of zeatin riboside.

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Article type: Paper
DOI: 10.1039/P19940003009
Citation: J. Chem. Soc., Perkin Trans. 1, 1994,0, 3009-3012
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    Transformations of the natural cytokinin zeatin in aqueous acidic media

    M. Haidoune, C. Pethe, M. Laloue and R. Mornet, J. Chem. Soc., Perkin Trans. 1, 1994, 0, 3009
    DOI: 10.1039/P19940003009

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