Alkaloids and limonoids from Bouchardatia neurococca: systematic significance |
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Authors: | Wattanapiromsakul C Forster P I Waterman P G |
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Institution: | Centre for Phytochemistry, Southern Cross University, PO Box 157, Lismore, NSW 2477, Australia. |
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Abstract: | Five alkaloids, four beta-indoloquinazoline and one furoquinoline, and four terpenoids, three limonoids and one modified sesquiterpene, have been obtained from the aerial parts of Bouchardatia neurococca (Rutaceae). Two of the alkaloids, 1,2-dihydroxyrutaecarpine and 2-(2-3-formylindolyl])-(3H)-quinazolin-4-one (bouchardatine), and two of the limonoids, 23-oxo-21xi-hydroxy-21,23-dihydroveprisone (veprisonic acid) and 21-oxo-23xi-hydroxy-21,23-dihydroveprisone (isoveprisonic acid) are new. The pattern of secondary metabolites isolated is rather unusual in the Rutaceae and is reminiscent of Tetradium, a genus with which Bouchardatia has not previously been associated. |
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Keywords: | Bouchardatia neurococca Rutaceae Alkaloids β-Indoloquinazolines Limonoids Veprisone Chemosystematics |
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