Synthesis of Pseudodeflectusin and Ustusorane C: Structural Revision of Aspergione A and B

Kouji KURAMOCHI; Fumiyo SAITO; Atsuo NAKAZAKI; Toshifumi TAKEUCHI; Kazunori TSUBAKI; Fumio SUGAWARA; Susumu KOBAYASHI

doi:10.1271/bbb.100241

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Synthesis of Pseudodeflectusin and Ustusorane C: Structural Revision of Aspergione A and B

Kouji KURAMOCHI, Fumiyo SAITO, Atsuo NAKAZAKI, Toshifumi TAKEUCHI, Kazunori TSUBAKI, Fumio SUGAWARA, Susumu KOBAYASHI

著者情報

キーワード: total synthesis, natural product, aromatic compound, carbonyl compound, stereochemistry

ジャーナルフリー早期公開

論文ID: 100241

DOI https://doi.org/10.1271/bbb.100241

この記事には本公開記事があります。

The final version of this article is now available: Vol. 74 (2010) , No. 8 p.1635

詳細

抄録

The syntheses of racemic and optically active pseudodeflectusin and ustusorane C are described. The ¹H- and ¹³C-NMR data for our synthetic pseudodeflectusin and ustusorane C were identical to those of the corresponding natural products. We also synthesized the proposed structure of aspergione A and B whose ¹H- and ¹³C-NMR data were identical to those of ustusorane C and pseudodeflectusin. The ¹H- and ¹³C-NMR spectra of our synthetic aspergione A and B were different from those of the natural compounds. Our results confirm that aspergione A and B are in fact ustusorane C and pseudodeflectusin, respectively.

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