Limonoids from Spiranthera odoratissima St. Hil
Eleven substances have been isolated from the roots of Spiranthera odoratissima, two new limonoids, the known limonoid limonin, three furoquinoline alkaloids, dictamnine, gamma-fagarine and skimmianine, three beta-indoloquinazoline alkaloids, rutaecarpine, evodiamine and 1-hydroxyrutaecarpine, the coumarin aurapten and beta-sitosterol. Structure elucidation has been carried out by IR as well as 1D and 2D NMR; the new structures were also confirmed by X-ray crystallographic analyses.
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Main Authors: | , , , , , |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Química
2005
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000800007 |
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