Determination of absolute configuration of epishamixanthone, a metabolite of Aspergillus rugulosus, by anomalous scattering of light atoms.

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概要

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• The absolute configuration of epishamixanthone has been determined from the Bijvoet differences by anomalous scattering of light atoms for Cu <I>K</I>α radiation. To verify the determination, the absolute configuration of sterigmatocystin which was already determined has been examined by the same procedure. The reliability of the Bijvoet differences calculated from the structure has been estimated by means of the probability method. The errors in the measured values of the Bijvoet differences have been analysed by the normal probability plot. The accuracy of the measurement may be affected considerably by the habit of crystal. The present analysis has established that the configurations of two asymmetric carbon atoms in epishamixanthone are both <I>R</I>.

• 公益社団法人 日本化学会の論文

著者

• Fukuyama Keiichi

  Faculty Of Engineering Tottori University

• Tsukihara Tomitake

  Faculty Of Engineering Tottori University

• KATSUBE Yukiteru

  Faculty of Engineering, Tottori University

• Hamada Kensaku

  Faculty of Engineering, Tottori University

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