Limonoids with an Oxygen Bridge between C(1) and C(29) from the Seeds of a Krishna Mangrove, Xylocarpus granatum

Wiley - Tập 11 Số 2 - Trang 262-275 - 2014
Min‐Yi Li1,2, Qiang Xiao3, Tirumani Satyanandamurty4, Jun Wu1,2
1Marine Drugs Research Center, College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, P. R. China (phone: +86-20-85222377
2fax: +86-20-85224766)
3Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Nanchang 330013, P. R. China
4Government Degree College at Amadala valasa, Srikakulam District, Andhra Pradesh 532185, India

Tóm tắt

AbstractTen limonoids, named granatumins L–U (1–10, resp.), were isolated from the seeds of an Indian mangrove, Xylocarpus granatum, collected in the estuary of Krishna, Andhra Pradesh. The structures of these compounds were established on the basis of spectroscopic data. The relative configuration of granatumin L (1) was confirmed by a single‐crystal X‐ray diffraction analysis. Granatumins L–T (1–9, resp.) belong to the small group of limonoids with an oxygen bridge between C(1) and C(29), while granatumin U (10) is a 28‐Me‐oxidized mexicanolide. This is the first report of limonoids with an O‐bridge between C(1) and C(29) from the Indian X. granatum. The pronounced structural diversity of limonoids from this mangrove might originate from environmental factors.

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Wiley

Tập 11 Số 2

262-275

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