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pro vyhledávání: '"D. B. Mahinda Wickremaratne"'
Publikováno v:
Liebigs Annalen der Chemie. 1990:209-210
The 5,7-dimethoxycoumarins, gleinene (3b) and gleinadiene (2), which naturally occur in Murraya gleinei root bark, have been synthesized in four steps from 7-hydroxy-5-methoxycoumarin (1a) in overall yields of 45% and 19%, respectively.
Autor:
Vijaya Kumar, Kolawole S. Adesina, Raouf A. Hussain, Johannes Reisch, D. B. Mahinda Wickremaratne, Sinnathamby Balasubramaniam
Publikováno v:
Phytochemistry. 26:511-514
Murraya gleinei root contained two new coumarins, 5,7-dimethoxy-8-(3′-methylbutan-1′,3′-dienyl)coumarin (gleinadiene) and 5,7-dimethoxy-8-(3′-methylbut-1′-enyl)coumarin (gleinene), together with eleven other coumarins, stigmasterol, bulneso