Coumarleucasin and leucasone from Leucas inflata roots

From the acetone extract of the roots of Leucas inflata, four coumarins (siderin, coumarsabin, 8-methoxycoumarsabin and coumarleucasin) and one chromone were isolated. One of the coumarins, coumarleucasin (5-formyl-4,7,8-trimethoxy-3-methyl-coumarin), and the chromone, leucasone [(2,8-dimethyl(2,2-d...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1999-05, Vol.51 (1), p.95-98
Main Authors: Al Yousuf, M.H, Bashir, A.K, Blunden, G, Yang, M.H, Patel, A.V
Format: Article
Language:English
Subjects:
Biological and medical sciences
chemical constituents of plants
Chemical constitution
chemical structure
chromones
coumarins
Fundamental and applied biological sciences. Psychology
Leucas
nuclear magnetic resonance spectroscopy
Plant physiology and development
roots
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Summary:From the acetone extract of the roots of Leucas inflata, four coumarins (siderin, coumarsabin, 8-methoxycoumarsabin and coumarleucasin) and one chromone were isolated. One of the coumarins, coumarleucasin (5-formyl-4,7,8-trimethoxy-3-methyl-coumarin), and the chromone, leucasone [(2,8-dimethyl(2,2-dimethylethenyl)-5,6-benzo-4-pyrone)], have not been reported previously.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(98)00731-6