Citation:
LEI Ying-Jie, YANG Yi-Cheng. Synthesis of Isoflavone 7-O-Glucosides Catalyzed with Tri(3,6-dioxaheptyl)amine[J]. Chinese Journal of Applied Chemistry,
;2009, 26(3): 306-310.
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The reactions between each of four isoflavone aglycones,including 7-hydroxy-isoflavone and 7-hydroxy-4'-methoxyl-isoflavone,which were prepared from Friedel-Crafts reactions,as well as 5,7-dihydroxy-4'-methoxyl-isoflavone and 5,7-dihydroxy-4'-chloride-isoflavone,which were prepared from Hoesch reactions,and 1-bromo-2,3,4,6-tetra-O-acetyl-D-glucopyranose in NaHCO3/KCl alkaline solutions in the presence of the phase transfer catalyst tri(3,6-dioxaheptyl)amine(TDA-1) were discussed.The corresponding glucosides formed were confirmed by IR,1H NMR and elemental analysis,with a yield of 64%,61%,55% and 58% respectively.
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Keywords:
- isoflavone,
- glucosides,
- synthesis,
- tri(dioxaheptyl)amine
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