Oxanthrone esters from the roots of Cassia kleinii |
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Authors: | Anu S J Rao J Madhusudana |
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Institution: | Organic Chemistry Division, Regional Research Laboratory, Trivandrum-695 019, India. |
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Abstract: | From the roots of Cassia kleinii two new oxanthrone esters, kleinioxanthrone-3 and kleinioxanthrone-4 have been isolated. Their structures were established as 1,8-dihydroxy-3-methyl-9(10H)-anthracenone-10-oxyhexadecanoate 3 and 2,6,7-trihydroxy-1,8-dimethoxy-3-methyl-9(10H)-anthracenone-10-oxydecanoate 4 respectively based on degradative and spectroscopic evidence. |
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Keywords: | Cassia kleinii Leguminosae Kleinioxanthrone-3 Kleinioxanthrone-4 |
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