7-Hydroxy-4-methoxy-5-methylcoumarin: A Further 5-Methylcoumarin from Toona ciliata (Meliaceae)
2004
Chowdhury, Rasheduzzaman (University of Dhaka, Dhaka, Bangladesh), E-mail: rzchy@dhaka.net | Ahmed, Aliza (The University of Asia Pacific, Dhaka, Bangladesh) | Rahman, MD. Zakiur (The University of Asia Pacific, Dhaka, Bangladesh)
A 5-C-methylcoumarin was isolated from the petroleum ether extract of Toona ciliata stem bark. Its structure was established as 7-Hydroxy-4-methoxy-5-methylcoumarin on the basis of spectral data, including 2D NMR.
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