Sesquiterpenes from the Secondary Metabolites of Streptomyces sp. (YIM 56130)

概要

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Three new sesquiterpenes were isolated from the fermentation broth of Streptomyces sp. and their structures were determined as caryolane-1,7α-diol (1), 1,6,11-eudesmanetriol; (1α,6β)-form (2), 11-eudesmene-1,6-diol; (1α,6β)-form (3), together with nine known compounds as caryolane-1,9α-diol (4), 2-methyl-5-nonanol (5), soyasaponin I (6), cyclo (Ala-Leu) (7), homononatinic acid (8), β-sitosteryl glucoside-3′-O-heptadecoicate (9), 2′-deoxythymidine (10), 2′-deoxyuridine (11), trehalose (12). The structures were elucidated by spectral analysis.