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Two long chain alkyl alcohols from the leaves of acroton tonkinensis gagnep, euphorbiaceae

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In continuation of our reports on the chemical constituents of Croton tonkinensis Gagnep. (Euphorbiaceae) [1] this paper deals with the isolation and structure elucidation of two long chain alkyl alcohols. Two compounds 1 and 2 were isolated by repeated silica gel column chromatography of the n-hexane soluble fraction obtained from the methanol extract of the dried leaves of C. tonkinensis by liquid - liquid fractionation [2]. The long aliphatic chains of both compounds 1 and 2 were characterized by the 1 H and 13 C NMR spectra: H 0.88 (3H, t, J = 6.6 Hz), C 14.1 (q) for the terminal methyl groups; H 1.25 (m) and 1.56 - 1.6 (m), C 22.7 - 32.8 (all t) for the chain methylene groups.

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