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Five ingol esters and a 17-hydroxyingenol ester from the latex of Euphorbia Kamerunica. Assignment of esters using 13C.N.M.R. methods.
Authors:Joseph D Connoly  Christopher O Facunle  David S Rycroft
Institution:Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, Scotland
Abstract:The structures of five ingol esters and a 17-hydroxyingenol ester from the latex of Euphorbia kamerunica have been determined. The 13C n.m.r. spectra of these compounds have been assigned using 2D δCH correlations. The specific positions of attachment of esters have been assigned unambiguously using 13C n.m.r. methods including 2D long range δCH correlation.
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