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Org Lett. 2014 Jan 3;16(1):224-7. doi: 10.1021/ol403211a. Epub 2013 Dec 2.

(+)- and (-)-Cajanusine, a pair of new enantiomeric stilbene dimers with a new skeleton from the leaves of Cajanus cajan.

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1
Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, People's Republic of China.

Abstract

A pair of new enantiomeric stilbene dimers, (+)- and (-)-cajanusine [(+)-1 and (-)-1], with a unique coupling pattern were isolated from the leaves of Cajanus cajan . Their structures including absolute configurations were elucidated on the basis of comprehensive spectroscopic and single-crystal X-ray diffraction analyses, as well as CD calculations. The plausible biogenetic pathway of 1 was also proposed. Additionally, (±)-1, (+)-1, and (-)-1 exhibited inhibitory activities on the growth of human hepatocellular carcinoma cells.

PMID:
24295169
DOI:
10.1021/ol403211a
[Indexed for MEDLINE]
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