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Synthesis, structural determination, and biological activity of new 7-hydroxy-3-pyrazolyl-4H-chromen- 4-ones and their o-b-D-glucosides
Chromones pyrazoles glucopyranosyl bromide glucosylation
2010/10/15
A convenient route to synthesize some new medicinally important 7-hydroxy-3-pyrazolyl chromones (3a-i) is described. The interaction of 7-hydroxy-3-formyl chromone (1) with various substituted acetoph...
Synthesis and Biological Activity of 4-(4-Hydroxybenzylidene)-2- (substituted styryl) oxazol-5-ones and Their o-glucosides
Oxazolone a -acetobromoglucose decetylation o-glucosides antimicrobial antifungal activity
2010/4/9
The 4-(4-hydroxybenzylidene)-2-methyl oxazol-5-ones 1 were treated with various aldehydes in the presence of acetic acid to form 4-(4-hydroxybenzylidene)-2-(substituted styryl) oxazol-5-ones 2a-i, whi...