Tetrahedron Letters p. 4341 - 4343 (2005)
Update date:2022-08-04
Topics:
Quintin, Jér?me
Lewin, Guy
Alkaline hydrolysis of some 7-O-flavone glycosides was performed through the 6,8-dibromo derivative. When the sugar linked to the aglycon has a 2-hydroxy group trans to the sugar-aglycon bond as in β-D-glucosides or rutinosides, hydrolysis occurred at room temperature under very mild conditions. Application to a novel preparation of rutinose heptaacetate by hydrolysis of a diosmin derivative is described.
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