Synthesis of [1] benzopyrano [3, 4-d] isoxazol-4-ones from 2...
                                 
                                
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                                A rapid and facile synthesis of isoxazolyl and pyrazolyl phe...
                                 
                                
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                                Facile syntheses of 2-substituted 3-cyanochromones
                                 
                                
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                                Reaction of chromones with hydroxylamine in anhydrous methan...
                                 
                                
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