Tectonaquinones A, B and C: three new naphthoquinone derivatives from the heartwood of Tectona grandis

Pooja Vyas, Barkha Darra Wadhwani, Poonam Khandelwal, Hiroshi Araya, Yoshinori Fujimoto

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Chemical investigation of the chloroform extract of heartwood of Tectona grandis L. f. led to the isolation of three new naphthoquinone derivatives, tectonaquinones A (1), B (2) and C (3), along with six known compounds: barleriaquinone-I (4), tectoquinone (5), tecomaquinone I (6), lapachol (7), obtusifolin (8) and 2-hydroxy-3-methyl anthraquinone (9). The structures of the new compounds were elucidated by spectroscopic methods including 2 D NMR experiments. Tectonaquinone B is the first natural compound that has a hexa-cyclic dinaphthofuran-dione scaffold. Tectonaquinone C has a bicyclic acetal motif that is unusual in nature.

本文言語English
ページ(範囲)1707-1715
ページ数9
ジャーナルNatural Product Research
36
7
DOI
出版ステータスPublished - 2022

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