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RAPID SYNTHESIS OF 2,5-DISUBSTITUTED 1,3,4-OXADIAZOLES UNDER MICROWAVE IRRADIATION |
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| Abstract: | A number of symmetrically 2,5-disubstituted 1,3,4-oxadiazoles are quickly prepared by the reaction of aromatic acids with hydrazine dihydrochloride in a mixture of orthophosphoric acid and phosphorus pentoxide under microwave irradiation. |
| Keywords: | Green chemistry Saccharin N-Halosaccharin |