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Biosynthesis of nimbolide from [2-14C,(4R)4-3H1] mevalonic acid lactone in the leaves of Azadirachta indica
Authors:Donald E.U. Ekong  Samuel A. Ibiyemi
Affiliation:1. Chemistry Department, University of Ilorin, Ilorin, Nigeria
Abstract:Nimbolide was biosynthesized from [2-14C, (4R)4-3H1]mevalonic acid lactone in the leaves of Azadirachta indica. The nimbolide had a 3H:14C ratio of 3:5 which gives support to the suggestion of the involvement of a triterpenoid intermediate with a double bond at the Δ8(9)-position in the biosynthesis of nimbolide.
Keywords:Meliaceae: nimbolide  mevalonic acid lactone  euphol  butyrospermol  tirucallol.
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