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New Synthesis of 5,7 - Dimethoxyflavone and 5,7,3', 4' - Tetramethoxyflavone

Volume 22, Number 1

Rajia Sultana*, Rashadul Hossain, Abdul Jalil Miah1 and Azizul Islam1

1Department of Chemistry, Chittagong University of Engineering and Technology, Chittagong - 4349, (Bangladesh) 2Department of Chemistry, University of Rajshahi, Rajshahi - 6205 (Bangladesh)

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ABSTRACT:

5,7–Dimethoxyflavone (9) and 5,7,3',4' - tetramethoxyflavone1 (10) were isolated from the rhizomes of Blesenbergia pandurata (Roxb.) Schltr (black rhizomes) (local name: Krachi-dum); along with another seven flavone and two flavanones, have been synthesized by two different routes both of them are starting from phloroacetophenone (1). The products have been characterized on the basis of spectral analysis.

KEYWORDS:

5,7-DImethoxylfavone; 5,7,3',4'-tetramethoxyflavone

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Sultana R, Hossain R, Miah A. J, Islam A. New Synthesis of 5,7 - Dimethoxyflavone and 5,7,3', 4' - Tetramethoxyflavone. Orient J Chem 2006;22(1).

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Sultana R, Hossain R, Miah A. J, Islam A. New Synthesis of 5,7 - Dimethoxyflavone and 5,7,3', 4' - Tetramethoxyflavone. Orient J Chem 2006;22(1). Available from: http://www.orientjchem.org/?p=19347

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