Xylomexicanins C and D, New Mexicanolide-Type Limonoids from Xylocarpus granatum

Yi-Bing WU; Zhi-Yu NI; Chang-Hong HUO; Jian SU; Mei DONG; Françoise SAURIOL; Qing-Wen SHI; Yu-Cheng GU; Hiromasa KIYOTA

doi:10.1271/bbb.120815

Organic Chemistry Regular Papers

Xylomexicanins C and D, New Mexicanolide-Type Limonoids from Xylocarpus granatum

Yi-Bing WU, Zhi-Yu NI, Chang-Hong HUO, Jian SU, Mei DONG, Françoise SAURIOL, Qing-Wen SHI, Yu-Cheng GU, Hiromasa KIYOTA

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Keywords: NMR, Xylocarpus granatum, limonoid, mexicanolide, structural elucidation

JOURNAL FREE ACCESS

2013 Volume 77 Issue 4 Pages 736-740

DOI https://doi.org/10.1271/bbb.120815

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Abstract

Two new limonoids, named xylomexicanins C and D, were isolated from a dichloromethane extract of the seeds of Xylocarpus granatum cultivated in Hainan, China, and their structures were elucidated on the basis of one- and two-dimensional NMR (including ¹H, ¹³C-NMR, DEPT, ¹H-¹H COSY, HSQC, HMBC, and NOESY) and confirmed by high-resolution mass spectrometry. Xylomexicanin C exhibited antiproliferative activity against human breast carcinoma cells (KT).

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