JOURNAL ARTICLE

Chukvelutins A−C, 16-Norphragmalin Limonoids with Unprecedented Skeletons from Chukrasia tabularis var. velutina

Jun LuoJunsong WangJian‐Guang LuoXiaobing WangLing-Yi Kong

Year: 2009 Journal:   Organic Letters Vol: 11 (11)Pages: 2281-2284   Publisher: American Chemical Society

Abstract

Three new 16-norphragmalin limonoids, chukvelutins A-C (1-3), were isolated from the stem bark of Chukrasia tabularis var. velutina, which possess unprecedented skeletons, featured with a characteristic ketal moiety between the phragmalin skeleton and a biosynthetically extended isobutyryl group at C-15. Their structures were elucidated by extensive spectroscopic technologies.

Keywords:
Chemistry Stereochemistry Botany Biology

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Citation History

Topics

Phytochemical compounds biological activities
Life Sciences →  Biochemistry, Genetics and Molecular Biology →  Molecular Biology
Phytochemistry and Bioactive Compounds
Physical Sciences →  Materials Science →  Biomaterials
Phytochemistry and Bioactivity Studies
Life Sciences →  Pharmacology, Toxicology and Pharmaceutics →  Pharmacology
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