Godavarin K: a New Limonoid with an Oxygen Bridge between C(1) and C(29) from the Godavari Mangrove Xylocarpus moluccensis
Jun Li
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Graduate University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
Search for more papers by this authorMin-Yi Li
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Graduate University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
Search for more papers by this authorTirumani Satyanandamurty
Government Degree College at Amadala valasa, Srikakulam District, Andhra Pradesh 532185, India
Search for more papers by this authorCorresponding Author
Jun Wu
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)Search for more papers by this authorJun Li
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Graduate University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
Search for more papers by this authorMin-Yi Li
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Graduate University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
Search for more papers by this authorTirumani Satyanandamurty
Government Degree College at Amadala valasa, Srikakulam District, Andhra Pradesh 532185, India
Search for more papers by this authorCorresponding Author
Jun Wu
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)
Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China, (phone: +86-20-84458442; fax: +86-20-84451672)Search for more papers by this authorAbstract
Godavarin K (1), a new limonoid with an oxygen bridge between C(1) and C(29), was obtained from seeds of an Indian mangrove, Xylocarpus moluccensis, together with a known tetranortriterpene, 6-de(acetyloxy)-7-deacetylchisocheton compound E (=(5α,7α,13α,17α)-7-hydroxy-4,4,8-trimethyl-3-oxocarda-1,14-dienolide; 2). The structure of godavarin K was established on the basis of spectroscopic data. In addition, the confusion of 1H- and 13C-NMR data for compound 2 in previous literature was clarified.
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