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A simple synthesis of 7,4'-dihydroxy-6-methoxyisoflavone, glycitein, the third soybean isoflavone
Caroline Lang'at-Thoruwa1, Tong T Song, Jiang Hu
1Department of Chemistry, Kenyatta University, Nairobi, Kenya.
Abstract:
4-Methoxyresorcinol (3) was synthesized as the precursor for glycitein (6) synthesis by the oxidation of 3-hydroxy-4-methoxybenzaldehyde (1) to the aryl formate with H2O2 and a catalytic amount of SeO2. Glycitein (6) was synthesized by cyclization of 2,4,4'-trihydroxy-5-methoxydeoxybenzoin (5) with N,N-dimethylformamide, boron trifluoride diethyl ether, and methanesulfonyl chloride in a microwave oven.
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